Diagnostic Trouble Code Index for April 2008
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 |
| 27 | P0300 | Multiple Cylinder Misfire Detected | Acura, Audi, BMW, Chevrolet, Chrysler, Dodge, Honda, Jaguar, Mazda, Mercedes-Benz, Mitsubishi, Nissan, Oldsmobile, Pontiac, Saab, Toyota, Volkswagen |
| 24 | P0171 | Fuel System Lean (Bank 1) | Cadillac, Chevrolet, Dodge, Ford, Honda, Lexus, Lincoln, Mercury, Mitsubishi, Pontiac, Toyota, Volkswagen, Volvo |
| 14 | P0174 | Fuel System Lean (Bank 2) | BMW, Cadillac, Chevrolet, Ford, Jaguar, Land Rover, Lincoln, Mitsubishi |
| 10 | P0301 | Cylinder 1 Misfire Detected | BMW, Ford, Honda, Land Rover, Mercury, Volkswagen |
| 8 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | BMW, Chevrolet, GMC, Pontiac, Subaru, Toyota |
| 7 | P0303 | Cylinder 3 Misfire Detected | Acura, BMW, Chevrolet, Honda, Mercedes-Benz, Mitsubishi |
| 7 | P0304 | Cylinder 4 Misfire Detected | Audi, BMW, Infiniti, Mazda, Mercedes-Benz, Nissan, Toyota |
| 6 | P0302 | Cylinder 2 Misfire Detected | BMW, Ford, Infiniti, Mercedes-Benz, Volkswagen |
| 6 | P0305 | Cylinder 5 Misfire Detected | Acura, BMW, Ford, Infiniti, Land Rover |
| 6 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chrysler, Dodge, Ford, Hyundai, Mazda, Nissan |
| 6 | P0401 | Insufficient EGR Flow Detected | Chevrolet, Ford, Pontiac, Toyota |
| 5 | P0306 | Cylinder 6 Misfire Detected | Acura, Ford, Infiniti, Mercury |
| 4 | P0102 | MAF Sensor Circuit Low Frequency | Cadillac, Ford, GMC, Mazda |
| 4 | P0172 | Fuel System Rich (Bank 1) | Chevrolet, Ford, Honda, Volkswagen |
| 4 | P0341 | CMP Sensor Performance | Buick, Dodge, Ford, Honda |
| 4 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Ford, Lincoln, Mazda |
| 4 | P0456 | EVAP System Very Small Leak Detected | BMW, Dodge |
| 4 | P0507 | Idle Speed High | Chevrolet, Nissan |
| 3 | P0011 | Intake Camshaft Position System Performance | BMW, Nissan |
| 3 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Audi, BMW |
| 3 | P0123 | TP Sensor Circuit High Voltage | Dodge, Jeep, Nissan |
| 3 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Chevrolet, Dodge, Jeep |
| 3 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | GMC, Jeep, Nissan |
| 3 | P0320 | No Crank Reference Signal To PCM | Ford, Mazda |
| 3 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Kia, Nissan, Toyota |
| 3 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Ford, Lincoln |
| 3 | P0455 | EVAP System Large Leak Detected | BMW, Kia, Mitsubishi |
| 3 | P0725 | Engine Speed Sensor Circuit Malfunction | Dodge, Nissan |
| 3 | P2135 | Throttle Position Sensor 1-2 Correlation Error | GMC, Mercury, Nissan |
| 2 | P0014 | Exhaust Camshaft Position System Performance | BMW, Volvo |
| 2 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Hyundai, Volkswagen |
| 2 | P0045 | Turbocharger Vane Position Control Solenoid Control Circuit Malfunction | Chevrolet, GMC |
| 2 | P0101 | MAF Sensor Performance | Cadillac, Chevrolet |
| 2 | P0106 | MAP Sensor Performance | Chevrolet, GMC |
| 2 | P0122 | TP Sensor Circuit Low Voltage | Ford, Jeep |
| 2 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | GMC, Saab |
| 2 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Chevrolet, Ford |
| 2 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Buick, GMC |
| 2 | P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity | Buick, GMC |
| 2 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Chevrolet, Ford |
| 2 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 2 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 2 | P0192 | Fuel Rail Pressure Sensor Circuit Low Voltage | Ford, Mazda |
| 2 | P0325 | Knock Sensor Circuit Malfunction | Infiniti, Nissan |
| 2 | P0336 | Crankshaft Position Sensor Performance | Toyota, Volvo |
| 2 | P0404 | EGR Open Position Performance | Dodge, Ford |
| 2 | P0405 | EGR Position Sensor Circuit Low Voltage | Dodge, Ford |
| 2 | P0430 | Catalyst System Low Efficiency (Bank 2) | BMW, Nissan |
| 2 | P0440 | General EVAP System Failure | GMC, Oldsmobile |
| 2 | P0441 | EVAP Purge System Performance | Audi, Toyota |
| 2 | P0445 | EVAP Canister Purge Volume Control Solenoid Circuit High Voltage | Buick, Volkswagen |
| 2 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Mazda, Toyota |
| 2 | P0505 | Idle Control System Malfunction | Ford, Jeep |
| 2 | P0601 | Control Module Read Only Memory | Dodge, Plymouth |
| 2 | P0606 | Control Module Internal Performance | Dodge, Mercury |
| 2 | P1122 | TP Sensor Circuit Intermittent Low Voltage | Chevrolet, GMC |
| 2 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 2 | P1229 | Accelerator Pedal Position Sensor 2 Power Circuit Short | Mini, Nissan |
| 2 | P1297 | No Change In MAP Signal From Start To Run Transition | Chrysler, Volkswagen |
| 2 | P1345 | Camshaft To Crankshaft Position Correlation | BMW |
| 2 | P1346 | Variable Valve Timing - CMP Sensor Range/Performance | BMW, Toyota |
| 2 | P1351 | ICM Ignition Control Circuit High Voltage | BMW, Toyota |
| 2 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 2 | P1530 | Air Condition 1 Switch Circuit Intermittent | Audi, Saab |
| 2 | P1689 | Traction Control Delivered Torque Output Circuit Malfunction | Dodge |
| 2 | P2110 | Electronic Throttle Control - Forced Limited RPM | Lincoln, Mercury |
| 2 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Nissan |
| 2 | P2614 | Camshaft Position Output Circuit Malfunction | Ford |
| 2 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 1 | B1318 | Low Battery Voltage At Module | Ford |
| 1 | B1352 | Ignition key-in circuit failure | Jaguar |
| 1 | B1595 | interlock/other switch input failure | Jaguar |
| 1 | B1697 | unnown | Jaguar |
| 1 | B2103 | Antenna Not Connected | Ford |
| 1 | C1119 | reduced throttle | Mazda |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Nissan |
| 1 | P0022 | Camshaft Position 'A' Timing Over-Retarded (Bank 2) | Ford |
| 1 | P0025 | Camshaft Position 'B' Over-Retarded (Bank 2) | Cadillac |
| 1 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Mazda |
| 1 | P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage | Chrysler |
| 1 | P0041 | Oxygen Sensor Signals Swapped, Bank 2 Sensor 1 - Bank 2 Sensor 2 | Cadillac |
| 1 | P0064 | Camshaft Position Actuator 2/2 Target Performance | Land Rover |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Buick |
| 1 | P0115 | Engine Coolant Temperature Sensor Circuit Malfunction | Mercedes-Benz |
| 1 | P0117 | ECT Sensor Circuit Low Voltage | BMW |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Buick |
| 1 | P0119 | ECT Sensor Circuit Intermittent | BMW |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Ford |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Mercedes-Benz |
| 1 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Toyota |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | GMC |
| 1 | P0147 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction | GMC |
| 1 | P0150 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | Land Rover |
| 1 | P0152 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage | Chevrolet |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Chevrolet |
| 1 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | GMC |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Ford |
| 1 | P0200 | Fuel Injector Circuit Malfunction | Land Rover |
| 1 | P0220 | Throttle Position Sensor 2 Circuit Malfunction | GMC |
| 1 | P0223 | Throttle Position Sensor 2 Circuit High Voltage | Nissan |
| 1 | P0234 | Turbocharger Engine Overboost | Dodge |
| 1 | P0245 | Turbo / Supercharger Wastegate Solenoid 'A' Circuit Low Voltage | Volkswagen |
| 1 | P0266 | Cylinder 2 Balance System Malfunction | Ford |
| 1 | P0299 | Turbocharger Engine Underboost | Chevrolet |
| 1 | P0307 | Cylinder 7 Misfire Detected | Ford |
| 1 | P0308 | Cylinder 8 Misfire Detected | Ford |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Mazda |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Ford |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Ford |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Ford |
| 1 | P0358 | Ignition Coil 8 Control Circuit Malfunction | Ford |
| 1 | P0402 | Excessive EGR Flow Detected | Ford |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Mitsubishi |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Volkswagen |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Audi |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Mercury |
| 1 | P0457 | Loose Fuel Cap | Mercury |
| 1 | P0462 | Fuel Level Sensor Low Voltage | Nissan |
| 1 | P0480 | Cooling Fan Relay 1 Control Circuit Malfunction | Chrysler |
| 1 | P0488 | EGR Airflow Throttle Control Circuit Performance | Suzuki |
| 1 | P0491 | Secondary AIR System Insufficient Flow Detected (Bank 1) | BMW |
| 1 | P0492 | Secondary air flow bank 2 | BMW |
| 1 | P0502 | VSS Circuit Low Input | Buick |
| 1 | P0560 | System Voltage Malfunction | Oldsmobile |
| 1 | P0571 | Brake Switch 1 Performance | Volkswagen |
| 1 | P0603 | Control Module Long Term Memory Reset | Oldsmobile |
| 1 | P0620 | Generator Performance | Ford |
| 1 | P0623 | Generator Lamp Control Circuit Malfunction | Ford |
| 1 | P0638 | Throttle Actuator Control Command Performance | Porsche |
| 1 | P0670 | Glow Plug Control Module Control Circuit Malfunction | Ford |
| 1 | P0683 | Glow Plug Control Module Diagnostic Communication Circuit Malfunction | Mini |
| 1 | P0706 | Transmission Range Switch Circuit Malfunction | Chevrolet |
| 1 | P0731 | Gear Ratio Error In First | Dodge |
| 1 | P0750 | Low/Reverse Solenoid Circuit Malfunction | Infiniti |
| 1 | P0841 | Low/Reverse Pressure Switch Rationality | Dodge |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | GMC |
| 1 | P1100 | Starter Switch Circuit Low Input | Ford |
| 1 | P1103 | MAF Signal Inconsistent with Engine Speed (Too High) | Volkswagen |
| 1 | P1127 | ETCS Actuator Power Source Circuit Malfunction | Audi |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Ford |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Toyota |
| 1 | P1136 | Intake Valve Timing Control Circuit Malfunction (Bank 2) | Nissan |
| 1 | P1148 | Closed Loop Malfunction Detected (Bank 1) | Ford |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1167 | Heated Oxygen Sensor (Bank 2 Sensor 2) Maximum Voltage Monitoring | Honda |
| 1 | P1174 | Fuel Trim Cylinder Balance | Land Rover |
| 1 | P1188 | Fuel Tank Temperature Sensor Circuit High Voltage | Chrysler |
| 1 | P1196 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow During Catalyst Monitor | Volkswagen |
| 1 | P1211 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1235 | Fuel Pump Control Out-Of-Range | Ford |
| 1 | P1237 | Fuel Pump Secondary Circuit Malfunction | Mazda |
| 1 | P1251 | Vacuum Reservoir Solenoid Circuit Low | Saab |
| 1 | P1280 | Accelerator Pedal Position Sensor 2 Circuit Malfunction | Ford |
| 1 | P1282 | Fuel Pump Relay Control Circuit Malfunction | Ford |
| 1 | P1300 | Igniter 1 Circuit Malfunction | Saab |
| 1 | P1314 | ETC System - Ice Blockage / Short Circuit To Ground | Land Rover |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Land Rover |
| 1 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 1 | P1342 | Camshaft Position Sensor 'A' Circuit Low Input (Bank 2) | BMW |
| 1 | P1344 | Cylinder 2 | BMW |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Jeep |
| 1 | P1410 | Fuel Tank Pressure Control Solenoid Circuit Malfunction | Toyota |
| 1 | P1450 | Unable to Bleed Up Fuel Tank Vacuum | Ford |
| 1 | P1472 | Evap leak detection pump short to ground | Land Rover |
| 1 | P1494 | EVAP Leak Detection Pump Switch Or Mechanical Fault | Dodge |
| 1 | P1512 | Control Module Throttle Actuator Position Performance | Mazda |
| 1 | P1545 | Air Conditioning Clutch Relay Control Circuit Malfunction | Audi |
| 1 | P1554 | Cruise Control Feedback Circuit Malfunction | Chevrolet |
| 1 | P1570 | Laser Radar Sensor Circuit Malfunction | Volkswagen |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Volkswagen |
| 1 | P1598 | A/C Pressure Sensor Circuit High Voltage | Dodge |
| 1 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Saturn |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Dodge |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Saturn |
| 1 | P1630 | Theft Deterrent Learn Mode Active | Volkswagen |
| 1 | P1637 | Generator 'L' Terminal Circuit Malfunction | Oldsmobile |
| 1 | P1639 | 5-Volt Reference 'B' Circuit Malfunction | Volkswagen |
| 1 | P1684 | Battery Was Disconnected | Dodge |
| 1 | P1698 | No CCD Messages Received From TCM | Dodge |
| 1 | P1748 | TCC Solenoid 'C' Control Circuit Low Input | Land Rover |
| 1 | P1776 | Solenoid Switch Latched In Low/Reverse Position | Dodge |
| 1 | P1780 | Park/Neutral Position Switch Circuit Malfunction | Toyota |
| 1 | P1790 | Fault Immediately After Shift | Dodge |
| 1 | P2008 | Intake Manifold Runner (Swirl) Control Circuit / Open | Mercedes-Benz |
| 1 | P2032 | Exhaust Gas Temperature Sensor 2 Circuit Low Voltage | Mercedes-Benz |
| 1 | P2034 | Oxygen Sensor Circuit Calibration Value Too High Or Too Low | Mercedes-Benz |
| 1 | P203B | Fault of function monitor in electronic accelerator | Mercedes-Benz |
| 1 | P2043 | Camshaft Position Sensor No Signal / Signal Faulty | Mercedes-Benz |
| 1 | P2044 | misfiring of cylinder 01 | Mercedes-Benz |
| 1 | P2046 | Fuel Level Sensor 1 Performance | Mercedes-Benz |
| 1 | P2051 | Fuel Rail Pressure Sensor - Maximum Fuel Pressure Exceeded | Mercedes-Benz |
| 1 | P2054 | Engine Coolant Temperature Sensor Circuit Signal Voltage Too Low | Mercedes-Benz |
| 1 | P2057 | Oxygen Sensor Signal Voltage Too High | Mercedes-Benz |
| 1 | P2066 | Secondary Fuel Sensor Signal Performance | GMC |
| 1 | P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) | Dodge |
| 1 | P2104 | ETC System Malfunction - Forced Idle | Mercury |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Mercury |
| 1 | P2107 | Electronic Throttle Control Module Processor | Lincoln |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Nissan |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2285 | Injector Control Pressure Sensor Circuit Low Voltage | Ford |
| 1 | P2400 | EVAP Leak Detection Pump Control Circuit Open | Volkswagen |
| 1 | P2401 | EVAP Leak Detection Pump Control Circuit Low | Volkswagen |
| 1 | P2441 | Secondary Air Injection System Switching Valve Stuck Closed | Toyota |
| 1 | P2A00 | Heated Oxygen Sensor (Bank 1 Sensor 1) Closed Loop Performance | Nissan |
| 1 | P4011 | Secondary Air injection Incorrect flow | Volkswagen |
| 1 | U1000 | Class 2 Communication Malfunction | Saturn |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Jaguar |
| 1 | U1096 | Loss of Communication With Instrument Panel Cluster | Saturn |
| 1 | U1135 | Data Circuit Message | Jaguar |
| 1 | U1262 | Data Circuit Malfunction | Ford |
| 1 | U2012 | comunication bus error non scp | Jaguar |
| 1 | U2108 | Lost Communication With ABS/TCS | Pontiac |
