Diagnostic Trouble Code Index for July 2004
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 |
| 20 | P0300 | Multiple Cylinder Misfire Detected | Cadillac, Chevrolet, Chrysler, Dodge, GMC, Infiniti, Mercury, Oldsmobile, Pontiac, Porsche, Saab, Saturn, Toyota |
| 8 | P0305 | Cylinder 5 Misfire Detected | Ford, GMC, Mercedes-Benz, Mercury, Porsche, Toyota |
| 7 | P0302 | Cylinder 2 Misfire Detected | Dodge, Mazda, Mercedes-Benz, Porsche, Saturn, Toyota |
| 6 | P0171 | Fuel System Lean (Bank 1) | Acura, Chevrolet, Ford, Pontiac, Toyota |
| 5 | P0303 | Cylinder 3 Misfire Detected | Ford, Porsche, Saturn, Toyota |
| 5 | P0402 | Excessive EGR Flow Detected | Ford, Lexus, Mazda, Toyota |
| 4 | P0122 | TP Sensor Circuit Low Voltage | Buick, Chevrolet, GMC, Subaru |
| 4 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Buick, Chevrolet, Honda |
| 4 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Chevrolet, Ford, Mercury, Nissan |
| 4 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford |
| 4 | P0301 | Cylinder 1 Misfire Detected | Ford, Mercury, Mitsubishi, Volkswagen |
| 4 | P0304 | Cylinder 4 Misfire Detected | Ford, Mercedes-Benz |
| 4 | P0306 | Cylinder 6 Misfire Detected | Cadillac, Chrysler, Mercedes-Benz, Porsche |
| 4 | P0325 | Knock Sensor Circuit Malfunction | GMC, Mercury, Nissan |
| 4 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Chevrolet, Dodge, Ford, Jeep |
| 4 | P0401 | Insufficient EGR Flow Detected | Buick, Ford, Toyota |
| 4 | P0410 | Secondary Air System Performance | Chevrolet, Mercedes-Benz, Oldsmobile, Volvo |
| 3 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Mercury, Nissan |
| 3 | P0172 | Fuel System Rich (Bank 1) | Ford, Mazda |
| 3 | P0307 | Cylinder 7 Misfire Detected | Dodge, GMC |
| 3 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chevrolet, Ford, Jeep |
| 3 | P0341 | CMP Sensor Performance | Dodge, Pontiac, Volkswagen |
| 3 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Chrysler, Ford, Mercury |
| 3 | P0400 | EGR System Recirculation Flow | Mercury, Mitsubishi |
| 3 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Nissan, Pontiac, Volvo |
| 3 | P0441 | EVAP Purge System Performance | Audi, Saab, Volkswagen |
| 3 | P0505 | Idle Control System Malfunction | Dodge, Nissan, Toyota |
| 2 | P0101 | MAF Sensor Performance | Honda, Kia |
| 2 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Mercedes-Benz, Nissan |
| 2 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Ford, Mercedes-Benz |
| 2 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Chevrolet |
| 2 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Ford, Mercury |
| 2 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Chevrolet, Mazda |
| 2 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Ford, Mercury |
| 2 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Mazda, Mitsubishi |
| 2 | P0181 | Fuel Tank Temperature Sensor Range/Performance | Dodge, Mazda |
| 2 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Chrysler, Mercury |
| 2 | P0442 | EVAP System Small Leak Detected | Dodge, Mitsubishi |
| 2 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Chevrolet, Pontiac |
| 2 | P0446 | EVAP Vent System Performance | Chevrolet, Toyota |
| 2 | P0455 | EVAP System Large Leak Detected | Nissan, Porsche |
| 2 | P1113 | Intake Air Temperature Sensor Circuit Malfunction | Audi, Cadillac |
| 2 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 2 | P1391 | CKP Or CMP Sensor Signal Intermittent | Chrysler, Jeep |
| 2 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Cadillac, Saturn |
| 2 | P1864 | TCC Enable Solenoid Circuit Malfunction | Chevrolet, GMC |
| 1 | B1601 | PATS Received Incorrect Key Code From Ignition Key Transponder | Ford |
| 1 | P0023 | Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 2) | Cadillac |
| 1 | P0076 | Intake Valve Control Solenoid Circuit Low (Bank 1) | Cadillac |
| 1 | P0083 | Intake Valve Control Solenoid Circuit High (Bank 2) | Cadillac |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Kia |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chevrolet |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Volkswagen |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Toyota |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Chrysler |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Chevrolet |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Chevrolet |
| 1 | P0146 | Heated Oxygen Sensor (Bank 1 Sensor 3) Insufficient Activity | Nissan |
| 1 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Ford |
| 1 | P0160 | Heated Oxygen Sensor (Bank 2 Sensor 2) Insufficient Activity | Nissan |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Volkswagen |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0179 | Fuel Composition Sensor High Frequency | Ford |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Dodge |
| 1 | P0226 | Accelerator Pedal Position Sensor 3 Performance | Nissan |
| 1 | P0236 | Turbocharger Boost System Performance | Dodge |
| 1 | P0237 | Turbocharger Boost Sensor Circuit Low Voltage | Dodge |
| 1 | P0320 | No Crank Reference Signal To PCM | Jeep |
| 1 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Mercury |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Ford |
| 1 | P0407 | EGR Position Sensor 'B' Circuit Low Voltage | Ford |
| 1 | P0422 | Catalyst Efficiency Below Normal (Bank 1) | Hyundai |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0432 | Catalyst Efficiency Below Normal (Bank 2) | Chrysler |
| 1 | P0440 | General EVAP System Failure | Toyota |
| 1 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Pontiac |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0460 | Fuel Level Sensing Unit No Change Over Miles | Ford |
| 1 | P0463 | Fuel Level Sensor High Voltage | Chevrolet |
| 1 | P0502 | VSS Circuit Low Input | Chevrolet |
| 1 | P0503 | VSS Circuit Intermittent | Chevrolet |
| 1 | P0506 | Idle Speed Low | Volkswagen |
| 1 | P0562 | System Voltage Too Low | Hyundai |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0713 | TFT Sensor Circuit High Voltage | Ford |
| 1 | P0725 | Engine Speed Sensor Circuit Malfunction | Mazda |
| 1 | P0730 | Incorrect Gear Ratio | Chevrolet |
| 1 | P0740 | TCC Solenoid Circuit Malfunction | Subaru |
| 1 | P0750 | Low/Reverse Solenoid Circuit Malfunction | Ford |
| 1 | P0753 | 1-2 Shift Solenoid Circuit Malfunction | Chevrolet |
| 1 | P0770 | 4C Solenoid Circuit Malfunction | Ford |
| 1 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Chevrolet |
| 1 | P1122 | TP Sensor Circuit Intermittent Low Voltage | GMC |
| 1 | P1125 | Accelerator Pedal Position System Malfunction | Isuzu |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Hyundai |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Nissan |
| 1 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Ford |
| 1 | P1136 | Intake Valve Timing Control Circuit Malfunction (Bank 2) | Volkswagen |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Ford |
| 1 | P1171 | Fuel System Lean During Acceleration | Pontiac |
| 1 | P1211 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1228 | Accelerator Pedal Position Sensor Circuit High Voltage | Nissan |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1252 | Vacuum Reservoir Solenoid Circuit High | Volkswagen |
| 1 | P1284 | Air Fuel Sensor (Bank 2 Sensor 1) Rich Shift Monitoring | Ford |
| 1 | P1285 | Accelerator Pedal Position Sensor 3 Circuit Malfunction | Ford |
| 1 | P1295 | ETC System Malfunction - Power Management | Isuzu |
| 1 | P1299 | Vacuum Leak Present With IAC Valve Fully Seated | Ford |
| 1 | P1311 | ION Sensing Module Secondary Line 1 Circuit Malfunction | Honda |
| 1 | P1312 | ION Sensing Module Secondary Line 2 Circuit Malfunction | Honda |
| 1 | P1351 | ICM Ignition Control Circuit High Voltage | Chevrolet |
| 1 | P1361 | ICM Ignition Control Circuit Low Voltage | Chevrolet |
| 1 | P1383 | Variable Cam Timing Over-Retarded (Cylinder Bank 1) | Ford |
| 1 | P1401 | EGR Temperature Sensor Circuit Malfunction | Ford |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | GMC |
| 1 | P1441 | EVAP System Flow During Non-Purge Conditions | Nissan |
| 1 | P1450 | Unable to Bleed Up Fuel Tank Vacuum | Ford |
| 1 | P1455 | Fuel Tank Level Sensor Circuit Malfunction | Jeep |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1494 | EVAP Leak Detection Pump Switch Or Mechanical Fault | Jeep |
| 1 | P1495 | Leak Detection Pump Solenoid Circuit Malfunction | Dodge |
| 1 | P1515 | Control Module Throttle Actuator Position Performance | Isuzu |
| 1 | P1518 | Throttle Actuator Control Module Serial Data Malfunction | Pontiac |
| 1 | P1537 | Air Conditioning Request Circuit Low Input | Ford |
| 1 | P1538 | Air Conditioning Request Circuit High Input | Ford |
| 1 | P1546 | A/C Clutch Relay Control Circuit Malfunction | Pontiac |
| 1 | P1556 | Battery Module Temperature Sensor Signal 2 Circuit High Voltage | Volkswagen |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Volkswagen |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Buick |
| 1 | P1640 | Output Driver 1 Circuit Malfunction | Buick |
| 1 | P1652 | Cooling Fan 2 Relay Control Circuit Malfunction | Chevrolet |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Buick |
| 1 | P1689 | Traction Control Delivered Torque Output Circuit Malfunction | Dodge |
| 1 | P1693 | Transponder No Response Error / Invalid Response | Dodge |
| 1 | P1695 | No CCD Messages Received From BCM | Dodge |
| 1 | P1698 | No CCD Messages Received From TCM | Dodge |
| 1 | P1705 | Throttle Position Sensor Circuit Malfunction | Nissan |
| 1 | U1027 | SCP Data Fault engine RPM | Ford |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Buick |
| 1 | U1262 | Data Circuit Malfunction | Ford |
