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OBD II Fault Codes Reference Guide

The Diagnostic Trouble Code numbering follows a standardized structure. All Diagnostic Trouble Codes have a letter followed by a 4-digit number (e.g. P1234). The first letter indicates the type of code:

P = Powertrain

C = Chassis

B = Body

U = Network Communication

 

The remaining 4-digit number specifies the problem within that system.

P00XX Fuel and Air Metering and Auxiliary Emission Controls

P0010      “A” Camshaft Position Actuator Circuit (Bank 1)

P0011      “A” Camshaft Position - Timing Over-Advanced or System Performance  (Bank 1)

P0012      “A” Camshaft Position - Timing Over-Retarded  (Bank 1)

P0013      “B” Camshaft Position - Actuator Circuit  (Bank 1)

P0014      “B” Camshaft Position - Timing Over-Advanced or System Performance  (Bank 1)

P0015      “B” Camshaft Position -Timing Over-Retarded  (Bank 1)

P0020      “A” Camshaft Position Actuator Circuit (Bank 2)

P0021      “A” Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

P0022      “A” Camshaft Position - Timing Over-Retarded  (Bank 2)

P0023      “B” Camshaft Position - Actuator Circuit  (Bank 2)

P0024      “B” Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

P0025      “B” Camshaft Position - Timing Over-Retarded (Bank 2)

P0030      HO2S Heater Control Circuit  (Bank 1 Sensor 1)

P0031      HO2S Heater Control Circuit Low (Bank 1 Sensor 1)

P0032      HO2S Heater Control Circuit High (Bank 1 Sensor 1)

P0033      Turbo Charger Bypass Valve Control Circuit

P0034      Turbo Charger Bypass Valve Control Circuit Low

P0035      Turbo Charger Bypass Valve Control Circuit High

P0036      HO2S Heater Control Circuit (Bank 1 Sensor 2)

P0037      HO2S Heater Control Circuit Low (Bank 1 Sensor 2)

P0038      HO2S Heater Control Circuit High (Bank 1 Sensor 2)

P0042      HO2S Heater Control Circuit (Bank 1 Sensor 3)

P0043      HO2S Heater Control Circuit Low (Bank 1 Sensor 3)

P0044      HO2S Heater Control Circuit High  (Bank 1 Sensor 3)

P0050      HO2S Heater Control Circuit (Bank 2 Sensor 1)

P0051      HO2S Heater Control Circuit Low  (Bank 2 Sensor 1)

P0052      HO2S Heater Control Circuit High (Bank 2 Sensor 1)

P0056      HO2S Heater Control Circuit (Bank 2 Sensor 2)

P0057      HO2S Heater Control Circuit Low (Bank 2 Sensor 2)

P0058      HO2S Heater Control Circuit High (Bank 2 Sensor 2)

P0062      HO2S Heater Control Circuit (Bank 2 Sensor 3)

P0063      HO2S Heater Control Circuit Low  (Bank 2 Sensor 3)

P0064      HO2S Heater Control Circuit High (Bank 2 Sensor 3)

P0065      Air Assisted Injector Control Range/Performance

P0066      Air Assisted Injector Control Circuit or Circuit Low

P0067      Air Assisted Injector Control Circuit High

P0070      Ambient Air Temperature Sensor Circuit

P0071      Ambient Air Temperature Sensor Range/Performance

P0072      Ambient Air Temperature Sensor Circuit Low Input

P0073      Ambient Air Temperature Sensor Circuit High Input

P0074      Ambient Air Temperature Sensor Circuit Intermittent

P0075      Intake Valve Control Solenoid Circuit (Bank 1)

P0076      Intake Valve Control Solenoid Circuit Low   (Bank 1)

P0077      Intake Valve Control Solenoid Circuit High  (Bank 1)

P0078      Exhaust Valve Control Solenoid Circuit (Bank 1)

P0079      Exhaust Valve Control Solenoid Circuit Low (Bank 1)

P0080      Exhaust Valve Control Solenoid Circuit High  (Bank 1)

P0081      Intake valve Control Solenoid Circuit (Bank 2)

P0082      Intake Valve Control Solenoid Circuit Low  (Bank 2)

P0083      Intake Valve Control Solenoid Circuit High (Bank 2)

P0084      Exhaust Valve Control Solenoid Circuit (Bank 2)

P0085      Exhaust Valve Control Solenoid Circuit Low  (Bank 2)

P0086      Exhaust Valve Control Solenoid Circuit High (Bank 2)


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P01XX Fuel and Air Metering

P0100      Mass or Volume Air Flow Circuit

P0101      Mass or Volume Air Flow Circuit Range/Performance Problem

P0102      Mass or Volume Air Flow Circuit Low Input

P0103      Mass or Volume Air Flow Circuit High Input

P0104      Mass or Volume Air Flow Circuit Intermittent

P0105      Manifold Absolute Pressure/Barometric Pressure Circuit

P0106      Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

P0107      Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

P0108      Manifold Absolute Pressure/Barometric Pressure Circuit High Input

P0109      Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent

P0110      Intake Air Temperature Circuit

P0111      Intake Air Temperature Circuit Range/Performance Problem

P0112      Intake Air Temperature Circuit Low Input

P0113      Intake Air Temperature Circuit High Input

P0114      Intake Air Temperature Circuit Intermittent

P0115      Engine Coolant Temperature Circuit

P0116      Engine Coolant Temperature Circuit Range/Performance Problem

P0117      Engine Coolant Temperature Circuit Low Input

P0118      Engine Coolant Temperature Circuit High Input

P0119      Engine Coolant Temperature Circuit Intermittent

P0120      Throttle/Pedal Position Sensor/Switch A Circuit

P0121      Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem

P0122      Throttle/Pedal Position Sensor/Switch A Circuit Low Input

P0123      Throttle/Pedal Position Sensor/Switch A Circuit High Input

P0124      Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

P0125      Insufficient Coolant Temperature for Closed Loop Fuel Control

P0126      Insufficient Coolant Temperature for Stable Operation

P0127      Intake Air Temperature Too High

P0128      Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

 

P0130      O2 Sensor Circuit  (Bank 1 Sensor 1)
P0131      O2 Sensor Circuit Low Voltage  (Bank 1 Sensor 1)
P0132      O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
P0133      O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0134      O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
P0135      O2 Sensor Heater Circuit  (Bank 1 Sensor 1)
P0136      O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)

P0137      O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
P0138      O2 Sensor Circuit High Voltage  (Bank 1 Sensor 2)
P0139      O2 Sensor Circuit Slow Response  (Bank 1 Sensor 2)

 

P0140      O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P0141      O2 Sensor Heater Circuit (Bank 1 Sensor 2)
P0142      O2 Sensor Circuit Malfunction (Bank 1 Sensor 3)
P0143      O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)
P0144      O2 Sensor Circuit High Voltage  (Bank 1 Sensor 3)
P0145      O2 Sensor Circuit Slow Response  (Bank 1 Sensor 3)
P0146      O2 Sensor Circuit No Activity Detected  (Bank 1 Sensor 3)
P0147      O2 Sensor Heater Circuit  (Bank 1 Sensor 3)
P0148      Fuel Delivery Error
P0149      Fuel Timing Error

P0150      O2 Sensor Circuit (Bank 2 Sensor 1)
P0151      O2 Sensor Circuit Low Voltage  (Bank 2 Sensor 1)

P0152      O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
P0153      O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)
P0154      O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0155      O2 Sensor Heater Circuit (Bank 2 Sensor 1)
P0156      O2 Sensor Circuit Malfunction  (Bank 2 Sensor 2)
P0157      O2 Sensor Circuit Low Voltage  (Bank 2 Sensor 2)
P0158      O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)
P0159      O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)

P0160      O2 Sensor Circuit No Activity Detected  (Bank 2 Sensor 2)
P0161      O2 Sensor Heater Circuit (Bank 2 Sensor 2)
P0162      O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)

P0163      O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
P0164      O2 Sensor Circuit High Voltage  (Bank 2 Sensor 3)
P0165      O2 Sensor Circuit Slow Response  (Bank 2 Sensor 3)
P0166      O2 Sensor Circuit No Activity Detected  (Bank 2 Sensor 3)
P0167      O2 Sensor Heater Circuit (Bank 2 Sensor 3)
P0168      Fuel Temperature Too High
P0169      Incorrect Fuel Composition

P0170      Fuel Trim  (Bank 1)
P0171      System too Lean (Bank 1)
P0172      System too Rich  (Bank 1)
P0173      Fuel Trim Malfunction (Bank 2)
P0174      System too Lean (Bank 2)
P0175      System too Rich  (Bank 2)

P0176      Fuel Composition Sensor Circuit

P0177      Fuel Composition Sensor Circuit Range/Performance

P0178      Fuel Composition Sensor Circuit Low Input

P0179      Fuel Composition Sensor Circuit High Input

 

P0180      Fuel Temperature Sensor A Circuit

P0181      Fuel Temperature Sensor A Circuit Range/Performance

P0182      Fuel Temperature Sensor A Circuit Low Input

P0183      Fuel Temperature Sensor A Circuit High Input

P0184      Fuel Temperature Sensor A Circuit Intermittent

P0185      Fuel Temperature Sensor B Circuit

P0186      Fuel Temperature Sensor B Circuit Range/Performance

P0187      Fuel Temperature Sensor B Circuit Low Input

P0188      Fuel Temperature Sensor B Circuit High Input

P0189      Fuel Temperature Sensor B Circuit Intermittent

 

P0190      Fuel Rail Pressure Sensor Circuit

P0191      Fuel Rail Pressure Sensor Circuit Range/Performance

P0192      Fuel Rail Pressure Sensor Circuit Low In put

P0193      Fuel Rail Pressure Sensor Circuit High Input

P0194      Fuel Rail Pressure Sensor Circuit Intermittent

P0195      Engine Oil Temperature Sensor

P0196      Engine Oil Temperature Sensor Range/Performance

P0197      Engine Oil Temperature Sensor Low

P0198      Engine Oil Temperature Sensor High

P0199      Engine Oil Temperature Sensor Intermittent


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P02XX Fuel and Air Metering

P0200      Injector Circuit

P0201      Injector Circuit - Cylinder 1

P0202      Injector Circuit - Cylinder 2

P0203      Injector Circuit - Cylinder 3

P0204      Injector Circuit - Cylinder 4

P0205      Injector Circuit - Cylinder 5

P0206      Injector Circuit - Cylinder 6

P0207      Injector Circuit - Cylinder 7

P0208      Injector Circuit - Cylinder 8

P0209      Injector Circuit - Cylinder 9

P0210      Injector Circuit - Cylinder 10

P0211      Injector Circuit - Cylinder 11

P0212      Injector Circuit - Cylinder 12

 

P0213      Cold Start Injector 1

P0214      Cold Start Injector 2

P0215      Engine Shutoff Solenoid

P0216      Injector/Injection Timing Control Circuit

P0217      Engine Coolant Over Temperature Condition

P0218      Transmission Fluid Over Temperature Condition

P0219      Engine Over Speed Condition

 

P0220      Throttle/Pedal Position Sensor/Switch “B” Circuit

P0221      Throttle/Pedal Position Sensor/Switch “B” Circuit Range/Performance Problem

P0222      Throttle/Pedal Position Sensor/Switch “B” Circuit Low Input

P0223      Throttle/Pedal Position Sensor/Switch “B” Circuit High Input

P0224      Throttle/Pedal Position Sensor/Switch  “B” Circuit Intermittent

P0225      Throttle/Pedal Position Sensor/Switch “C” Circuit

P0226      Throttle/Pedal Position Sensor/Switch “C” Circuit Range/Performance Problem

P0227      Throttle/Pedal Position Sensor/Switch “C” Circuit Low Input

P0228      Throttle/Pedal Position Sensor/Switch “C” Circuit High Input

P0229      Throttle/Pedal Position Sensor/Switch “C” Circuit Intermittent

 

P0230      Fuel Pump Primary Circuit

P0231      Fuel Pump Secondary Circuit Low

P0232      Fuel Pump Secondary Circuit High

P0233      Fuel Pump Secondary Circuit Intermittent

 

P0234      Turbo/Super Charger Overboost Condition

P0235      Turbo/Super Charger Boost Sensor “A” Circuit

P0236      Turbo/Super Charger Boost Sensor “A” Circuit Range/Performance

P0237      Turbo/Super Charger Boost Sensor “A” Circuit Low

P0238      Turbo/Super Charger Boost Sensor “A” Circuit High

P0239      Turbo/Super Charger Boost Sensor “B” Circuit

P0240      Turbo/Super Charger Boost Sensor “B” Circuit Range/Performance

P0241      Turbo/Super Charger Boost Sensor “B” Circuit Low

P0242      Turbo/Super Charger Boost Sensor “B” Circuit High

P0243      Turbo/Super Charger Wastegate Solenoid “A”

P0244      Turbo/Super Charger Wastegate Solenoid “A” Range/Performance

P0245      Turbo/Super Charger Wastegate Solenoid “A” Low

P0246      Turbo/Super Charger Wastegate Solenoid “A” High

P0247      Turbo/Super Charger Wastegate Solenoid “B”

P0248      Turbo/Super Charger Wastegate Solenoid “B” Range/Performance

P0249      Turbo/Super Charger Wastegate Solenoid “B” Low

P0250      Turbo/Super Charger Wastegate Solenoid “B” High

 

P0251      Injection Pump Fuel Metering Control “A”  (Cam/rotor/Injector)

P0252      Injection Pump Fuel Metering Control “A” Range/Performance (Cam/Rotor/Injector)

P0253      Injection Pump Fuel Metering Control “A” Low (Cam/Rotor/Injector)

P0254      Injection Pump Fuel Metering Control “A” High (Cam/Rotor/Injector)

P0255      Injection Pump Fuel Metering Control “A” Intermittent (Cam/Rotor/Injector)

P0256      Injection Pump Fuel Metering Control “B” (Cam/Rotor/Injector)

P0257      Injection Pump Fuel Metering Control “B” Range/Performance (Cam/Rotor/Injector)

P0258      Injection Pump Fuel Metering Control “B” Low (Cam/Rotor/Injector)

P0259      Injection Pump Fuel Metering Control “B” High (Cam/Rotor/Injector)

P0260      Injection Pump Fuel Metering Control “B” Intermittent (Cam/Rotor/Injector)

 

P0261      Cylinder 1 Injector Circuit Low

P0262      Cylinder 1 Injector Circuit High

P0263      Cylinder 1 Contribution/Balance

P0264      Cylinder 2 Injector Circuit Low

P0265      Cylinder 2 Injector Circuit High

P0266      Cylinder 2 Contribution/Balance

P0267      Cylinder 3 Injector Circuit Low

P0268      Cylinder 3 Injector Circuit High

P0269      Cylinder 4 Contribution/Balance

P0270      Cylinder 4 Injector Circuit Low

P0271      Cylinder 4 Injector Circuit High

P0272      Cylinder 4 Contribution/Balance
P0273      Cylinder 5 Injector Circuit Low
P0274      Cylinder 5 Injector Circuit High
P0275      Cylinder 5 Contribution/Balance
P0276      Cylinder 6Injector Circuit Low
P0277      Cylinder 6 Injector Circuit High
P0278      Cylinder 6 Contribution/Balance
P0279      Cylinder 7 Injector Circuit Low
P0280      Cylinder 7 Injector Circuit High
P0281      Cylinder 7 Contribution/Balance
P0282      Cylinder 8 Injector Circuit Low
P0283      Cylinder 8 Injector Circuit High
P0284      Cylinder 8 Contribution/Balance
P0285      Cylinder 9 Injector Circuit Low
P0286      Cylinder 9 Injector Circuit High
P0287      Cylinder 9 Contribution/Balance
P0288      Cylinder 10 Injector Circuit Low
P0289      Cylinder 10 Injector Circuit High
P0290      Cylinder 10 Contribution/Balance
P0291      Cylinder 11 Injector Circuit Low
P0292      Cylinder 11 Injector Circuit High
P0293      Cylinder 11 Contribution/Balance
P0294      Cylinder 12 Injector Circuit Low
P0295      Cylinder 12 Injector Circuit High
P0296      Cylinder 12 Contribution/Balance

P0298      Engine Oil Over Temperature


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P03XX Ignition System or Misfire

P0300      Random/Multiple Cylinder Misfire Detected

P0301      Cylinder 1 Misfire Detected

P0302      Cylinder 2 Misfire Detected

P0303      Cylinder 3 Misfire Detected

P0304      Cylinder 4 Misfire Detected

P0305      Cylinder 5 Misfire Detected

P0306      Cylinder 6 Misfire Detected

P0307      Cylinder 7 Misfire Detected

P0308      Cylinder 8 Misfire Detected

P0309      Cylinder 9 Misfire Detected

P0310      Cylinder 10 Misfire Detected

P0311      Cylinder 11 Misfire Detected

P0312      Cylinder 12 Misfire Detected

P0313      Misfire Detected with Low Fuel

P0314      Single Cylinder Misfire (Cylinder not Specified)

 

P0320      Ignition/Distributor Engine Speed Input Circuit

P0321      Ignition/Distributor Engine Speed Input Circuit Range/Performance
P0322      Ignition/Distributor Engine Speed Input Circuit No Signal
P0323      Ignition/Distributor Engine Speed Input Circuit Intermittent

P0324      Knock Control System Error
P0325      Knock Sensor 1 Circuit  (Bank 1 or Single Sensor)
P0326      Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor)
P0327      Knock Sensor 1 Circuit Low Input  (Bank 1 or Single Sensor)
P0328      Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
P0329      Knock Sensor 1 Circuit Input Intermittent (Bank 1 or Single Sensor)
P0330      Knock Sensor 2 Circuit (Bank 2)
P0331      Knock Sensor 2 Circuit Range/Performance  (Bank 2)
P0332      Knock Sensor 2 Circuit Low Input (Bank 2)
P0333      Knock Sensor 2 Circuit High Input  (Bank 2)
P0334      Knock Sensor 2 Circuit Input Intermittent (Bank 2)

P0335      Crankshaft Position Sensor A Circuit
P0336      Crankshaft Position Sensor A Circuit Range/Performance          
P0337      Crankshaft Position Sensor A Circuit Low Input
P0338      Crankshaft Position Sensor A Circuit High Input
P0339      Crankshaft Position Sensor A Circuit Intermittent
P0340      Camshaft Position Sensor “A” Circuit  (Bank 1 or Single Sensor)
P0341      Camshaft Position Sensor “A” Circuit Range/Performance (Bank 1 or Single Sensor)
P0342      Camshaft Position Sensor “A” Circuit Low Input (Bank 1 or Single Sensor)
P0343      Camshaft Position Sensor “A” Circuit High Input  (Bank 1 or Single Sensor)
P0344      Camshaft Position Sensor “A” Circuit Intermittent  (Bank 1 or Single Sensor)
P0345      Camshaft Position Sensor “A” Circuit  (Bank 2)
P0348      Camshaft Position Sensor “A” Circuit Range/Performance  (Bank 2)
P0347      Camshaft Position Sensor “A” Circuit Low Input (Bank 2)
P0348      Camshaft Position Sensor “A” Circuit High Input  (Bank 2)
P0349      Camshaft Position Sensor “A” Circuit Intermittent  (Bank 2)

P0350      Ignition Coil Primary/Secondary Circuit
P0351      Ignition Coil “A” Primary/Secondary Circuit
P0352      Ignition Coil “B” Primary/Secondary Circuit
P0353      Ignition Coil “C” Primary/Secondary Circuit
P0354      Ignition Coil “D” Primary/Secondary Circuit
P0355      Ignition Coil “F” Primary/Secondary Circuit
P0356      Ignition Coil “F” Primary/Secondary Circuit
P0357      Ignition Coil “G” Primary/Secondary Circuit
P0358      Ignition Coil “H” Primary/Secondary Circuit
P0359      Ignition Coil “I” Primary/Secondary Circuit
P0360      Ignition Coil “J” Primary/Secondary Circuit

P0361      Ignition Coil “K Primary/Secondary Circuit
P0362      Ignition Coil “L’ Primary/Secondary Circuit

 

P0365      Camshaft Position Sensor “B” Circuit  (Bank 1)

P0366      Camshaft Position Sensor “B” Circuit Range/Performance (Bank 1)

P0367      Camshaft Position Sensor “B” Circuit Low Input (Bank 1)

P0368      Camshaft Position Sensor “B” Circuit High Input (Bank 1)

P0369      Camshaft Position Sensor “B” Circuit Intermittent (Bank 1)

 

P0370      Timing Reference High Resolution Signal “A”

P0371      Timing Reference High Resolution Signal “A” Too Many Pulses

P0372      Timing Reference High Resolution Signal “A” Too Few Pulses

P0373      Timing Reference High Resolution Signal “A” Intermittent/Erratic Pulses

P0374      Timing Reference High Resolution Signal “A” No Pulse

P0375      Timing Reference High Resolution Signal “B”

P0376      Timing Reference High Resolution Signal “B” Too Many Pulses

P0377      Timing Reference High Resolution Signal “B” Too Few Pulses

P0378      Timing Reference High Resolution Signal “B” Intermittent/Erratic Pulses

P0379      Timing Reference High Resolution Signal “B” No Pulses

 

P0380      Glow Plug/Heater Circuit “A”

P0381      Glow Plug/Heater Indicator Circuit

P0382      Glow Plug/Heater Circuit “B”

 

P0385      Crankshaft Position Sensor “B” Circuit

P0386      Crankshaft Position Sensor “B” Circuit Range/Performance

P0387      Crankshaft Position Sensor “B” Circuit Low Input

P0388      Crankshaft Position Sensor “B” Circuit High Input

P0389      Crankshaft Position Sensor “B” Circuit Intermittent

P0390      Camshaft Position Sensor “B” Circuit

P0391      Camshaft Position Sensor “B” circuit Range/Performance (Bank 2)

P0392      Camshaft Position Sensor “B” Circuit Low Input (Bank 2)

P0393      Camshaft Position Sensor “B” Circuit High Input  (Bank 2)

P0394      Camshaft Position Sensor “B” Circuit Intermittent (Bank 2)


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P04XX Auxiliary Emission Controls

P0400      Exhaust Gas Recirculation Flow

P0401      Exhaust Gas Recirculation Flow Insufficient Detected

P0402      Exhaust Gas Recirculation Flow Excessive Detected

P0403      Exhaust Gas Recirculation Control Circuit

P0404      Exhaust Gas Recirculation Control Circuit Range/Performance

P0405      Exhaust Gas Recirculation Sensor “A” Circuit Low

P0406      Exhaust Gas Recirculation Sensor “A” Circuit High

P0407      Exhaust Gas Recirculation Sensor “B” Circuit Low

P0408      Exhaust Gas Recirculation Sensor “B” Circuit High

P0409      Exhaust Gas Recirculation Sensor “A” Circuit

 

P0410      Secondary Air Injection System

P0411      Secondary Air Injection System Incorrect Flow Detected

P0412      Secondary Air Injection System Switching Valve “A” Circuit

P0413      Secondary Air Injection System Switching Valve “A” Circuit Open

P0414      Secondary Air Injection System Switching Valve “A” Circuit Shorted

P0415      Secondary Air Injection System Switching Valve “B” Circuit

P0416      Secondary Air Injection System Switching Valve “B’ Circuit Open

P0417      Secondary Air Injection System Switching Valve “B” Circuit Shorted

P0416      Secondary Air Injection System Relay “A” Circuit

P0419      Secondary Air injection System Relay “B” Circuit

 

P0420      Catalyst System Efficiency Below Threshold  (Bank 1)

P0421      Warm Up Catalyst Efficiency Below Threshold  (Bank 1)

P0422      Main Catalyst Efficiency Below Threshold  (Bank 1)

P0423      Heated Catalyst Efficiency Below Threshold  (Bank 1)

P0424      Heated Catalyst Temperature Below Threshold  (Bank 1)

 

P0425      Catalyst Temperature Sensor (Bank 1)

P0426      Catalyst Temperature Sensor Range/Performance  (Bank 1)

P0427      Catalyst Temperature Sensor Low Input (Bank 1)

P0428      Catalyst Temperature Sensor High Input  (Bank 1)

P0429      Catalyst Heater Control Circuit  (Bank 1)

P0430      Catalyst System Efficiency Below Threshold  (Bank 2)

P0431      Warm Up Catalyst Efficiency Below Threshold (Bank 2)

P0432      Main Catalyst Efficiency Below Threshold (Bank 2)

P0433      Heated Catalyst Efficiency Below Threshold (Bank 2)

P0434      Heated Catalyst Temperature Below Threshold  (Bank 2)

P0435      Catalyst Temperature Sensor  (Bank 2)

P0436      Catalyst Temperature Sensor Range/Performance  (Bank 2)

P0437      Catalyst Temperature Sensor Low Input (Bank 2)

P0438      Catalyst Temperature Sensor High Input  (Bank 2)

P0439      Catalyst Heater Control Circuit  (Bank 2)

 

P0440      Evaporative Emission Control System

P0441      Evaporative Emission Control System Incorrect Purge Flow

P0442      Evaporative Emission Control System Leak Detected (small leak)

P0443      Evaporative Emission Control System Purge Control Valve Circuit

P0444      Evaporative Emission Control System Purge Control Valve Circuit Open

P0445      Evaporative Emission Control System Purge Control Valve Circuit Shorted

P0446      Evaporative Emission Control System Vent Control Circuit

P0447      Evaporative Emission Control System Vent Control Circuit Open

P0448      Evaporative Emission Control System Vent Control Circuit Shorted

P0449      Evaporative Emission Control System Vent Valve/Solenoid Circuit

P0450      Evaporative Emission Control System Pressure Sensor

P0451      Evaporative Emission Control System Pressure Sensor Range/Performance

P0452      Evaporative Emission Control System Pressure Sensor Low Input

P0453      Evaporative Emission Control System Pressure Sensor High input

P0454      Evaporative Emission Control System Pressure Sensor Intermittent

P0455      Evaporative Emission Control System Leak Detected (gross leak)

P0456      Evaporative Emission Control System Leak Detected (very small leak)

P0457      Evaporative Emission Control System Leak Detected (fuel cap loose/off)

 

P0460      Fuel Level Sensor Circuit

P0461      Fuel Level Sensor Circuit Range/Performance

P0462      Fuel Level Sensor Circuit Low Input

P0463      Fuel Level Sensor Circuit High Input

P0464      Fuel Level Sensor Circuit Intermittent

 

P0465      EVAP Purge Flow Sensor Circuit

P0466      EVAP Purge Flow Sensor Circuit Range/Performance

P0467      EVAP Purge Flow Sensor Circuit Low Input

P0468      EVAP Purge Flow Sensor Circuit High Input

P0469      EVAP Purge Flow Sensor Circuit Intermittent

 

P0470      Exhaust Pressure Sensor

P0471      Exhaust Pressure Sensor Range/Performance

P0472      Exhaust Pressure Sensor Low

P0473      Exhaust Pressure Sensor High

P0474      Exhaust Pressure Sensor Intermittent

P0475      Exhaust Pressure Control Valve

P0476      Exhaust Pressure Control Valve Range/Performance

P0477      Exhaust Pressure Control Valve Low

P0478      Exhaust Pressure Control Valve High

P0479      Exhaust Pressure Control Valve Intermittent

 

P0480      Cooling Fan 1 Control Circuit

P0481      Cooling Fan 2 Control Circuit

P0482      Cooling Fan 3 Control Circuit

P0483      Cooling Fan Rationality Check

P0484      Cooling Fan Circuit Over Current

P0485      Cooling Fan Power/Ground Circuit

 

P0486      Exhaust Gas Recirculation Sensor “B” Circuit

P0487      Exhaust Gas Recirculation Throttle Position Control Circuit

P0488      Exhaust Gas Recirculation Throttle Position Control Range/Performance

 

P0491      Secondary Air Injection System  (Bank 1)

P0492      Secondary Air Injection System (Bank 2)


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P05XX Vehicle Speed, Idle Control, and Auxiliary Inputs

P0500      Vehicle Speed Sensor

P0501      Vehicle Speed Sensor Range/Performance

P0502      Vehicle Speed Sensor Circuit Low Input

P0503      Vehicle Speed Sensor Intermittent/Erratic/High

 

P0505      Idle Control System

P0506      Idle Control System RPM Lower Than Expected

P0507      Idle Control System RPM Higher Than Expected

P0508      Idle Control System Circuit Low

P0509      Idle Control System Circuit High

 

P0510      Closed Throttle Position Switch

P0512      Starter Request Circuit

P0513      Incorrect Irnmobilizer Key (“Immobilizer pending SAE J1930 approval)

 

P0515      Battery Temperature Sensor Circuit

P0516      Battery Temperature Sensor Circuit Low

P0517      Battery Temperature Sensor Circuit High

 

P0520      Engine Oil Pressure Sensor/Switch Circuit

P0521      Engine Oil Pressure Sensor/Switch Range/Performance

P0522      Engine Oil Pressure Sensor/Switch Low Voltage

P0523      Engine Oil Pressure Sensor/Switch High Voltage

P0524      Engine Oil Pressure Too Low

 

P0530      A/C Refrigerant Pressure Sensor Circuit

P0531      A/C Refrigerant Pressure Sensor Circuit Range/Performance

P0532      A/C Refrigerant Pressure Sensor Circuit Low Input

P0533      A/C Refrigerant Pressure Sensor Circuit High Input

P0534      Air Conditioner Refrigerant Charge Loss

 

P0540      Intake Air Heater Circuit

P0541      Intake Air Heater Circuit Low

P0542      Intake Air Heater Circuit High

 

P0544      Exhaust Gas Temperature Sensor Circuit  (Bank 1)

P0545      Exhaust Gas Temperature Sensor Circuit Low (Bank 1)

P0546      Exhaust Gas Temperature Sensor Circuit High  (Bank 1)

P0547      Exhaust Gas Temperature Sensor Circuit  (Bank 2)

P0548      Exhaust Gas Temperature Sensor Circuit Low (Bank 2)

P0549      Exhaust Gas Temperature Sensor Circuit High  (Bank 2)

 

P0550      Power Steering Pressure Sensor Circuit

P0551      Power Steering Pressure Sensor Circuit Range/Performance

P0552      Power Steering Pressure Sensor Circuit Low Input

P0553      Power Steering Pressure Sensor Circuit High Input

P0554      Power Steering Pressure Sensor Circuit Intermittent

 

P0560      System Voltage

P0561      System Voltage Unstable

P0562      System Voltage Low

P0563      System Voltage High

 

P0564      Cruise Control Multi-Function Input Signal

P0565      Cruise Control On Signal

P0566      Cruise Control Off Signal

P0567      Cruise Control Resume Signal

P0568      Cruise Control Set Signal

P0569      Cruise Control Coast Signal

P0570      Cruise Control Accel Signal

P0571      Cruise Control/Brake Switch A Circuit

P0572      Cruise Control/Brake Switch A Circuit Low

P0573      Cruise Control/Brake Switch A Circuit High

P0574      Cruise Control System - Vehicle Speed Too High

P0575      Cruise Control Input Circuit

P0576      Cruise Control Input Circuit Low

P0577      Cruise Control input Circuit High

P0578 through P0580 Reserved for Cruise Control Codes


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P06XX Computer and Auxiliary Inputs

P0600      Serial Communication Link

P0601      Internal Control Module Memory Check Sum Error

P0602      Control Module Programming Error

P0603      Internal Control Module Keep Alive Memory (KAM) Error

P0604      Internal Control Module Random Access Memory (RAM) Error

P0605      Internal Control Module Read Only Memory (ROM) Error 

 

P0606      ECM/PCM Processor

P0607      Control Module Performance

P0608      Control Module VSS Output “A”

P0609      Control Module VSS Output “B”

P0610      Control Module Vehicle Options Error

 

P0615      Starter Relay Circuit

P0616      Starter Relay Circuit Low

P0617      Starter Relay Circuit High

P0618      Alternative Fuel Control Module KAM Error

P0619      Alternative Fuel Control Module RAM/ROM Error

P0620      Generator Control Circuit

P0621      Generator Lamp “L” Terminal Control Circuit

P0622      Generator Field “F” Terminal Control Circuit

P0623      Generator Lamp Control Circuit

P0624      Fuel Cap Lamp Control Circuit

 

P0630      VIN Not Programmed or Mismatch - ECM/PCM

P0631      VIN Not Programmed or Mismatch - TCM

 

P0635      Power Steering Control Circuit

P0836      Power Steering Control Circuit Low

P0637      Power Steering Control Circuit High

P0638      Throttle Actuator Control Range/Performance  (Bank 1)

P0639      Throttle Actuator Control Range/Performance  (Bank 2)

P0640      Intake Air Heater Control Circuit

 

P0645      A/C Clutch Relay Control Circuit

P0646      A/C Clutch Relay Control Circuit Low

P0647      A/C Clutch Relay Control Circuit High

P0648      Immobilizer Lamp Control Circuit (“Immobilizer” pending SAE J1930 approval)

P0649      Speed Control Lamp Control Circuit

P0650      Malfunction Indicator Lamp (ML) Control Circuit

 

P0654      Engine RPM Output Circuit

P0655      Engine Hot Lamp Output Control Circuit

P0656      Fuel Level Output Circuit

 

P0660      Intake Manifold Tuning Valve Control Circuit  (Bank 1)
P0661      Intake Manifold Tuning Valve Control Circuit Low (Bank 1)
P0662      Intake Manifold Tuning Valve Control Circuit High  (Bank 1)
P0663      Intake Manifold Tuning Valve Control Circuit  (Bank 2)
P0664      Intake Manifold Tuning Valve Control Circuit Low  (Bank 2)
P0665      Intake Manifold Tuning Valve Control Circuit High  (Bank 2)


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P07XX Transmission

P0700      Transmission Control System (MIL Request)
P0701      Transmission Control System Range/Performance
P0702      Transmission Control System Electrical
P0703      Torque Converter/Brake Switch B Circuit
P0704      Clutch Switch In put Circuit Malfunction
P0705      Transmission Range Sensor Circuit Malfunction (PRNDL Input)
P0706      Transmission Range Sensor Circuit Range/Performance
P0707      Transmission Range Sensor Circuit Low Input
P0708      Transmission Range Sensor Circuit High Input
P0709      Transmission Range Sensor Circuit intermittent
P0710      Transmission Fluid Temperature Sensor Circuit
P0711      Transmission Fluid Temperature Sensor Circuit Range/Performance
P0712      Transmission Fluid Temperature Sensor Circuit Low Input
P0713      Transmission Fluid Temperature Sensor Circuit High Input
P0714      Transmission Fluid Temperature Sensor Circuit Intermittent
P0715      Input/Turbine Speed Sensor Circuit
P0716      Input/Turbine Speed Sensor Circuit Range/Performance
P0717      Input/Turbine Speed Sensor Circuit No Signal
P0718      Input/Turbine Speed Sensor Circuit Intermittent
P0719      Torque Converter/Brake Switch B Circuit Low
P0720      Output Speed Sensor Circuit
P0721      Output Speed Sensor Circuit Range/Performance
P0722      Output Speed Sensor Circuit No Signal
P0723      Output Speed Sensor Circuit Intermittent
P0724      Torque Converter/Brake Switch B Circuit High
P0725      Engine Speed Input Circuit
P0726      Engine Speed Input Circuit Range/Performance
P0727      Engine Speed Input Circuit No Signal
P0728      Engine Speed Input Circuit Intermittent

P0730      Incorrect Gear Ratio

P0731      Gear 1 Incorrect Ratio

P0732      Gear 2 Incorrect Ratio

P0733      Gear 3 Incorrect Ratio

P0734      Gear 4 Incorrect Ratio

P0735      Gear 5 Incorrect Ratio

P0736      Reverse Incorrect Ratio

P0737      TCM Engine Speed Output Circuit

P0739      TCM Engine Speed Output Circuit Low

P0739      TCM Engine Speed Output Circuit High

P0740      Torque Converter Clutch Circuit

P0741      Torque Converter Clutch Circuit Performance or Stuck Off

P0742      Torque Converter Clutch Circuit Stuck On

P0743      Torque Converter Clutch Circuit Electrical

P0744      Torque Converter Clutch Circuit Intermittent

P0745      Pressure Control Solenoid “A”

P0746      Pressure Control Solenoid “A” Performance or Stuck Off

P0747      Pressure Control Solenoid “A” Stuck On

P0748      Pressure Control Solenoid “A” Electrical

P0749      Pressure Control Solenoid “A” Intermittent

P0750      Shift Solenoid “A”

P0751      Shift Solenoid “A” Performance or Stuck Off

P0752      Shift Solenoid “A” Stuck On

P0753      Shift Solenoid “A” Electrical

P0754      Shift Solenoid “A” Intermittent

P0765      Shift Solenoid “B”

P0756      Shift Solenoid “B” Performance or Stuck Off

P0757      Shift Solenoid “B” Stuck On

P0758      Shift Solenoid “B” Electrical

P0759      Shift Solenoid “B” Intermittent

P0760      Shift Solenoid “C”

P0761      Shift Solenoid “C” Performance or Stuck Off

P0762      Shift Solenoid “C” Stuck On

P0763      Shift Solenoid “C” Electrical

P0764      Shift Solenoid “C” Intermittent

P0765      Shift Solenoid “C”

P0766      Shift Solenoid “D” Performance or Stuck Off

P0767      Shift Solenoid “D” Stuck On

P0768      Shift Solenoid “D” Electrical

P0769      Shift Solenoid “D” Intermittent

P0770      Shift Solenoid “E”

P0771      Shift Solenoid “E” Performance or Stuck Off

P0772      Shift Solenoid “E” Stuck On

P0773      Shift Solenoid “E” Electrical

P0774      Shift Solenoid “E” Intermittent

P0775      Pressure Control Solenoid “B”

P0776      Pressure Control Solenoid “B” Performance or Stuck Off

P0777      Pressure Control Solenoid “B” Stuck On

P0778      Pressure Control Solenoid “B” Electrical

P0779      Pressure Control Solenoid “B” Intermittent

P0780      Shift

P0781      1-2 Shift

P0782      2-3 Shift

P0783      3-4 Shift

P0784      4-5 Shift

P0785      Shift/Timing Solenoid

P0786      Shift/Timing Solenoid Range/Performance

P0787      Shift/Timing Solenoid Low

P0788      Shift/Timing Solenoid High

P0789      Shift/Timing Solenoid Intermittent

P0790      Normal/Performance Switch Circuit

P0791      Intermediate Shaft Speed Sensor Circuit

P0792      Intermediate Shaft Speed Sensor Circuit Range/Performance

P0793      Intermediate Shaft Speed Sensor Circuit No Signal

P0794      Intermediate Shaft Speed Sensor Circuit Intermittent

P0795      Pressure Control Solenoid “C”

P0796      Pressure Control Solenoid “C” Performance or Stuck off

P0797      Pressure Control Solenoid “C” Stuck On

P0798      Pressure Control Solenoid “C” Electrical

P0799      Pressure Control Solenoid “C” Intermittent


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P08XX Transmission

P0801      Reverse Inhibit Control Circuit

P0803      1-4 Upshift (Skip Shift) Solenoid Control Circuit

P0804      1-4 Upshift (Skip Shift) Lamp Control Circuit

P0805      Clutch Position Sensor Circuit

P0806      Clutch Position Sensor Circuit Range/Performance

P0807      Clutch Position Sensor Circuit Low

P0808      Clutch Position Sensor Circuit High

P0809      Clutch Position Sensor Circuit Intermittent

P0810      Clutch Position Control Error

P0811      Excessive Clutch Slippage

P0812      Reverse Input Circuit

P0813      Reverse Output Circuit

P0814      Transmission Range Display Circuit

P0815      Upshift Switch Circuit

P0816      Downshift Switch Circuit

P0817      Starter Disable Circuit

P0818      Driveline Disconnect Switch Input Circuit

 

P0820      Gear Lever X-Y Position Sensor Circuit

P0821      Gear Lever X Position Circuit

P0822      Gear Lever Y Position Circuit

P0823      Gear Lever X Position Circuit Intermittent

P0824      Gear Lever Y Position Circuit Intermittent

P0825      Gear Lever Push-Pull Switch (Shift Anticipate)

 

P0830      Clutch Pedal Switch “A” Circuit

P0831      Clutch Pedal Switch “A” Circuit Low

P0832      Clutch Pedal Switch “A” Circuit High

P0833      Clutch Pedal Switch “B” Circuit

P0834      Clutch Pedal Switch “B” Circuit Low

P0835      Clutch Pedal Switch “B” Circuit High

P0836      Four Wheel Drive (4WD) Switch Circuit

P0837      Four Wheel Drive (4WD) Switch Circuit Range/Performance

P0838      Four Wheel Drive (4WD) Switch Circuit Low

P0839      Four Wheel Drive (4WD) Switch Circuit High

P0840      Transmission Fluid Pressure Sensor/Switch “A” Circuit

P0841      Transmission Fluid Pressure Sensor/Switch “A” Circuit Range/Performance

P0842      Transmission Fluid Pressure Sensor/Switch “A” Circuit Low

P0843      Transmission Fluid Pressure Sensor/Switch “A” Circuit High

P0844      Transmission Fluid Pressure Sensor/Switch “A” Circuit Intermittent

P0845      Transmission Fluid Pressure Sensor/Switch “B” Circuit

P0846      Transmission Fluid Pressure Sensor/Switch “B” Circuit Range/Performance

P0847      Transmission Fluid Pressure Sensor/Switch “B” Circuit Low

P0848      Transmission Fluid Pressure Sensor/Switch “B” Circuit High

P0849      Transmission Fluid Pressure Sensor/Switch “B” Circuit Intermittent


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Additional Diagnostic Trouble Code Ranges

Other DTC ranges are defined for either manufacturer specific codes or under the control of SAE (Society of Automotive Engineers) and not yet defined. This section documents these additional ranges. Refer to your vehicle’s repair manual for manufacturer specific Diagnostic Trouble Codes.

P09XX Transmission

P1XXX Manufacturer Controlled

P10XX Fuel and Air Metering and Auxiliary Emission Controls

P11XX Fuel and Air Metering

P12XX Fuel and Air Metering

P13XX Ignition System or Misfire

P14XX Auxiliary Emission Controls

P15XX Vehicle Speed, Idle Control, and Auxiliary Inputs

P16XX Computer and Auxiliary Outputs

P17XX Transmission

P18XX Transmission

P19XX Transmission

P2XXX SAE Controlled DTCs

P20XX Fuel and Air Metering and Auxiliary Emission Controls

P21XX Fuel and Air Metering and Auxiliary Emission Controls

P22XX Fuel and Air Metering and Auxiliary Emission Controls

P23XX Ignition System or Misfire

P24XX SAE Reserved

P25XX SAE Reserved

P26XX SAE Reserved

P27XX SAE Reserved

P28XX SAE Reserved

P29XX SAE Reserved

P3XX Manufacturer Controlled and SAE Reserved

P30XX Fuel and Air Metering and Auxiliary Emission Controls

P31XX Fuel and Air Metering and Auxiliary Emission Controls

P32XX Fuel and Air Metering and Auxiliary Emission Controls

P33XX Ignition System Misfire

P34XX SAE Reserved

P35XX SAE Reserved

P36XX SAE Reserved

P37XX SAE Reserved

P38XX SAE Reserved

P39XX SAE Reserved

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