Diagnostic Trouble Code Index for January 2012
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Diagnostic Trouble Codes (DTC)
| Count | Trouble Code | Sample Definition | Manufacturers |
| 21 | P0300 | Multiple Cylinder Misfire Detected | BMW, Chevrolet, Ford, Hummer, Hyundai, Isuzu, Jeep, Mazda, Saab, Saturn, Toyota |
| 11 | P0304 | Cylinder 4 Misfire Detected | Audi, BMW, Chrysler, Ford, Jaguar, Lincoln, Subaru, Volkswagen |
| 10 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Ford, GMC, Kia, Toyota, Volkswagen |
| 9 | P0303 | Cylinder 3 Misfire Detected | BMW, Chevrolet, Dodge, Ford, Kia, Nissan, Subaru, Volkswagen |
| 8 | P0301 | Cylinder 1 Misfire Detected | BMW, Ford, Subaru, Toyota, Volkswagen |
| 8 | P0302 | Cylinder 2 Misfire Detected | BMW, Ford, Honda, Hyundai, Saturn, Subaru, Toyota, Volkswagen |
| 6 | P0340 | Camshaft Position Sensor Circuit Malfunction | BMW, Ford, Mazda, Mitsubishi, Nissan, Suzuki |
| 4 | P0101 | MAF Sensor Performance | BMW, Chevrolet, Dodge |
| 4 | P0172 | Fuel System Rich (Bank 1) | Audi, Chevrolet, Honda |
| 4 | P0456 | EVAP System Very Small Leak Detected | BMW, Mercedes-Benz, Mitsubishi, Subaru |
| 3 | P0011 | Intake Camshaft Position System Performance | BMW, Ford, Nissan |
| 3 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chevrolet, Chrysler, Dodge |
| 3 | P0174 | Fuel System Lean (Bank 2) | BMW, Ford, GMC |
| 3 | P0305 | Cylinder 5 Misfire Detected | BMW, Kia |
| 3 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet, Mitsubishi, Nissan |
| 3 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Toyota, Volkswagen |
| 2 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Mercury, Toyota |
| 2 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Chrysler, Mercedes-Benz |
| 2 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Jeep |
| 2 | P0299 | Turbocharger Engine Underboost | Chevrolet, Ford |
| 2 | P0325 | Knock Sensor Circuit Malfunction | Mercury, Nissan |
| 2 | P0400 | EGR System Recirculation Flow | Jeep, Mazda |
| 2 | P0403 | EGR Solenoid Control Circuit Malfunction | Ford, Mazda |
| 2 | P0406 | EGR Position Sensor Circuit High Voltage | Dodge, Ford |
| 2 | P0430 | Catalyst System Low Efficiency (Bank 2) | Audi, Honda |
| 2 | P0455 | EVAP System Large Leak Detected | Kia, Mazda |
| 2 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 2 | P0501 | Vehicle Speed Sensor 1 Performance | Audi, Kia |
| 2 | P0505 | Idle Control System Malfunction | Jeep, Mazda |
| 2 | P0507 | Idle Speed High | Honda, Saturn |
| 2 | P0688 | ASD Relay Sense Circuit Low | Ford, Jeep |
| 2 | P0700 | Automatic Transmission System Malfunction Detected | Chrysler, Jeep |
| 2 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet, GMC |
| 2 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet, GMC |
| 2 | P1557 | Battery Module Temperature Sensor Signal 3 Circuit Low Voltage | Volkswagen |
| 1 | B0A98 | Intake camshaft/crankshaft correlation | BMW |
| 1 | B1B02 | low frequency coil | Land Rover |
| 1 | B1B85 | memory control module | Land Rover |
| 1 | C0327 | Erratic rear speed sensor | Chevrolet |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Ford |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Chevrolet |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | BMW |
| 1 | P0022 | Camshaft Position 'A' Timing Over-Retarded (Bank 2) | Ford |
| 1 | P0027 | The quantity control valve has a malfunction | Volvo |
| 1 | P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction | Kia |
| 1 | P0032 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit High Voltage | Dodge |
| 1 | P0048 | Turbocharger Boost Control Solenoid Control Circuit High Voltage | Jeep |
| 1 | P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance | GMC |
| 1 | P0059 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Resistance | GMC |
| 1 | P0068 | Throttle Body Airflow Performance | Chevrolet |
| 1 | P0089 | Fuel Pressure Regulator Performance | Volvo |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Jeep |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Pontiac |
| 1 | P0103 | MAF Sensor Circuit High Frequency | Mercedes-Benz |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chevrolet |
| 1 | P0121 | TP Sensor Performance | Hyundai |
| 1 | P0124 | Throttle Position Sensor/APPS Intermittent | Dodge |
| 1 | P0129 | Barometric Pressure Sensor Out-Of-Range Low | Jeep |
| 1 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | GMC |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | GMC |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Nissan |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Nissan |
| 1 | P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | Nissan |
| 1 | P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity | Mercedes-Benz |
| 1 | P0148 | Fuel Delivery Error | Dodge |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | GMC |
| 1 | P0158 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage | GMC |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Kia |
| 1 | P0175 | Fuel System Rich (Bank 2) | Audi |
| 1 | P0178 | Fuel Composition Sensor Low Frequency | Chevrolet |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 1 | P0193 | Fuel Rail Pressure Sensor Circuit High Voltage | Lexus |
| 1 | P0200 | Fuel Injector Circuit Malfunction | Jeep |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Jeep |
| 1 | P0221 | Throttle Position Sensor 2 Performance | Mercedes-Benz |
| 1 | P0261 | Fuel Injector 1 Control Circuit Low Voltage | Ford |
| 1 | P0262 | Fuel Injector 1 Control Circuit High Voltage | Ford |
| 1 | P0263 | Cylinder 1 Balance System Malfunction | Ford |
| 1 | P0272 | Cylinder 4 Balance System Malfunction | Ford |
| 1 | P0284 | Cylinder 8 Balance System Malfunction | Ford |
| 1 | P0306 | Cylinder 6 Misfire Detected | Kia |
| 1 | P0308 | Cylinder 8 Misfire Detected | Ford |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0320 | No Crank Reference Signal To PCM | Ford |
| 1 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Volkswagen |
| 1 | P0327 | Knock Sensor Circuit Low Voltage (Bank 1) | Chevrolet |
| 1 | P0328 | Knock Sensor Circuit High Voltage (Bank 1) | Volkswagen |
| 1 | P0333 | Knock Sensor Circuit High Voltage (Bank 2) | Volkswagen |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Dodge |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Ford |
| 1 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Jaguar |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Ford |
| 1 | P0402 | Excessive EGR Flow Detected | Toyota |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Isuzu |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Chevrolet |
| 1 | P0440 | General EVAP System Failure | Subaru |
| 1 | P0442 | EVAP System Small Leak Detected | Chrysler |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Lincoln |
| 1 | P0447 | EVAP Canister Vent Control Valve Open | Kia |
| 1 | P0448 | EVAP Canister Vent Control Valve Closed | Kia |
| 1 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Chevrolet |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Toyota |
| 1 | P0462 | Fuel Level Sensor Low Voltage | Chrysler |
| 1 | P0463 | Fuel Level Sensor High Voltage | Chevrolet |
| 1 | P0471 | Exhaust Backpressure Circuit Range/Performance | Ford |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0480 | Cooling Fan Relay 1 Control Circuit Malfunction | Ford |
| 1 | P0483 | Cooling Fan System Performance | Dodge |
| 1 | P0488 | EGR Airflow Throttle Control Circuit Performance | Ford |
| 1 | P0498 | NVLD Canister Vent Solenoid Circuit Low Voltage | Honda |
| 1 | P0499 | NVLD Canister Vent Solenoid Circuit High Voltage | Chrysler |
| 1 | P0524 | Engine Oil Pressure Too Low | Dodge |
| 1 | P0528 | Fan Speed Sensor Circuit - No Signal | Ford |
| 1 | P0551 | Power Steering Pressure Switch Circuit Malfunction | Dodge |
| 1 | P0601 | Control Module Read Only Memory | Chevrolet |
| 1 | P0605 | Control Module Programming Read Only Memory | Nissan |
| 1 | P0606 | Control Module Internal Performance | Honda |
| 1 | P060A | PCM Internal Control Module Error | Honda |
| 1 | P0611 | Fuel Injector Control Module Performance | Ford |
| 1 | P061B | Internal Control Module Torque Calculation Performance | Lincoln |
| 1 | P0623 | Generator Lamp Control Circuit Malfunction | Ford |
| 1 | P0641 | 5-Volt Reference 1 Circuit Malfunction | Chevrolet |
| 1 | P0670 | Glow Plug Control Module Control Circuit Malfunction | Ford |
| 1 | P1050 | Oxygen Sensor (Bank 2 Sensor 1) Stuck Lean | Audi |
| 1 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Chevrolet |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Volkswagen |
| 1 | P1136 | Intake Valve Timing Control Circuit Malfunction (Bank 2) | Volkswagen |
| 1 | P1137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power Enrichment | Volkswagen |
| 1 | P1143 | Heated Oxygen Sensor (Bank 1 Sensor 1) Lean Shift Monitoring | Volkswagen |
| 1 | P1170 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit - No Inversion | Mazda |
| 1 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | Chevrolet |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1237 | Fuel Pump Secondary Circuit Malfunction | Ford |
| 1 | P1247 | Fuel Injector 8 Control Circuit Shorted | Ford |
| 1 | P1248 | AWD Plausibility | Ford |
| 1 | P1255 | CTS short to ground | Volkswagen |
| 1 | P1294 | Target Idle Speed Not Reached | Dodge |
| 1 | P1300 | Igniter 1 Circuit Malfunction | Toyota |
| 1 | P1305 | Igniter 2 Circuit Malfunction | Toyota |
| 1 | P1310 | Igniter 3 Circuit Malfunction | Toyota |
| 1 | P1315 | Igniter 4 Circuit Malfunction | Toyota |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Ford |
| 1 | P1320 | Igniter 5 Circuit Malfunction | Toyota |
| 1 | P1325 | Igniter 6 Circuit Malfunction | Toyota |
| 1 | P1326 | ION Sensing Module Combustion Quality | Volkswagen |
| 1 | P132B | Turbo boost control A performance | Ford |
| 1 | P1330 | Igniter No. 7 Circuit Malfunction | Kia |
| 1 | P1342 | Camshaft Position Sensor 'A' Circuit Low Input (Bank 2) | BMW |
| 1 | P1343 | Camshaft Position Sensor 'A' Circuit High Input (Bank 2) | BMW |
| 1 | P1351 | ICM Ignition Control Circuit High Voltage | Oldsmobile |
| 1 | P1381 | Misfire Detected - No Communication With EBCM | Chevrolet |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Buick |
| 1 | P1410 | Fuel Tank Pressure Control Solenoid Circuit Malfunction | Mazda |
| 1 | P1448 | EVAP Canister Vent Control Valve Malfunction (Open) | Nissan |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Mercury |
| 1 | P1506 | Idle Air Control System RPM Higher Than Expected | Ford |
| 1 | P1517 | Throttle Actuator Control Module Performance | Volkswagen |
| 1 | P1554 | Cruise Control Feedback Circuit Malfunction | BMW |
| 1 | P1624 | Immobilizer Communication Error | Volkswagen |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Buick |
| 1 | P1632 | Theft Deterrent Fuel Disable Signal Received | BMW |
| 1 | P1634 | TCM Internal - Internal Watchdog Performance | BMW |
| 1 | P1659 | Electronic Throttle Control System Control Relay Off Malfunction | Honda |
| 1 | P1663 | Change Oil Lamp Control Circuit Malfunction | Ford |
| 1 | P1668 | Generator L-Terminal Control Circuit Malfunction | Ford |
| 1 | P1694 | No Communication With PCM | Jeep |
| 1 | P1698 | No CCD Messages Received From TCM | Mini |
| 1 | P1701 | Transmission Control Module Power Supply | Nissan |
| 1 | P1747 | EPC Solenoid Circuit Malfunction | BMW |
| 1 | P1787 | O/D Pressure Switch Sense Circuit Malfunction | Mini |
| 1 | P2004 | Intake Manifold Runner Control Stuck Open | Mercedes-Benz |
| 1 | P2006 | Intake Manifold Runner Control Stuck Closed | Audi |
| 1 | P2014 | Intake Manifold Runner Position Sensor/Switch Circuit Malfunction (Bank 1) | Audi |
| 1 | P2047 | Fuel Rail Pressure Volume Control - Maximum Fuel Pressure Exceeded | Dodge |
| 1 | P2051 | Fuel Rail Pressure Sensor - Maximum Fuel Pressure Exceeded | Dodge |
| 1 | P2074 | Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak | Dodge |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Hyundai |
| 1 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Kia |
| 1 | P2102 | Throttle Actuator Control Motor Circuit Low | Subaru |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Lincoln |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Saab |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Chevrolet |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Saab |
| 1 | P2176 | Minimum Throttle Position Not Learned | Chevrolet |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Mazda |
| 1 | P2188 | Fuel Trim System Rich At Idle (Bank 1) | Mazda |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Hyundai |
| 1 | P2197 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean" | Ford |
| 1 | P2237 | Air Fuel Sensor 1 (Bank 1 Sensor 1) Pumping Current Signal Open | Kia |
| 1 | P2263 | Turbo/Super Charger System Performance | Ford |
| 1 | P2270 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean | Hyundai |
| 1 | P2368 | Injector Quantity Adjustment Error Cylinder 2 | Chrysler |
| 1 | P2422 | EVAP Canister Vent Shut Valve Close Malfunction | Volkswagen |
| 1 | P2432 | Secondary Air Injection System Pressure Sensor Circuit Low Voltage | Isuzu |
| 1 | P2440 | Secondary Air Injection System Control/Shut-Off Valve Stuck Open | Isuzu |
| 1 | P2607 | Low Voltage At Intake Air Heater Relay 2 | Dodge |
| 1 | P2647 | VTEC Oil Pressure Switch Circuit High Voltage | Honda |
| 1 | U0002 | CAN 'C' Bus Off Performance | Chrysler |
| 1 | U0100 | Lost Communication With ECM/PCM | Chevrolet |
| 1 | U0107 | Throttle Actuator Control Serial Data Circuit Malfunction | GMC |
| 1 | U0109 | Lost communication with fuel pump control module | GMC |
| 1 | U0401 | Implausible Data Received From ECM / PCM | Chevrolet |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Buick |
| 1 | U1096 | Loss of Communication With Instrument Panel Cluster | Pontiac |
| 1 | U1147 | Data Circuit Malfunction | Ford |
| 1 | U1262 | Data Circuit Malfunction | Ford |
| 1 | U1328 | lost communication with ride level control module | Land Rover |
| 1 | U1598 | lost communication with park assist | Land Rover |
| 1 | U1828 | lost communication with front lighting | Land Rover |
