Diagnostic Trouble Code Index for April 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 |
| 25 | P0300 | Multiple Cylinder Misfire Detected | Buick, Cadillac, Chevrolet, Dodge, Ford, GMC, Infiniti, Isuzu, Mazda, Oldsmobile, Porsche, Saturn, Toyota, Volkswagen |
| 13 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Ford, Honda, Jaguar, Jeep, Nissan, Toyota |
| 11 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford, Jaguar, Mercury, Nissan, Volvo |
| 7 | P0172 | Fuel System Rich (Bank 1) | Dodge, Ford, Mercury, Saturn, Volvo |
| 7 | P0301 | Cylinder 1 Misfire Detected | Dodge, Jaguar, Jeep, Mercury, Volkswagen |
| 7 | P0302 | Cylinder 2 Misfire Detected | Cadillac, Dodge, Ford, Jaguar, Mercury, Nissan, Volkswagen |
| 7 | P0303 | Cylinder 3 Misfire Detected | Chevrolet, Dodge, Ford, Mercury, Volkswagen |
| 7 | P0340 | Camshaft Position Sensor Circuit Malfunction | Dodge, Ford |
| 4 | P0304 | Cylinder 4 Misfire Detected | Buick, Chevrolet, Nissan, Volkswagen |
| 4 | P0401 | Insufficient EGR Flow Detected | Buick, Ford, Toyota |
| 4 | P0505 | Idle Control System Malfunction | Ford, Honda, Nissan |
| 3 | P0101 | MAF Sensor Performance | BMW, Buick, Oldsmobile |
| 3 | P0402 | Excessive EGR Flow Detected | Ford, Mercury |
| 3 | P0404 | EGR Open Position Performance | GMC, Kia, Saturn |
| 3 | P0410 | Secondary Air System Performance | Chevrolet, GMC |
| 3 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Porsche, Volkswagen |
| 3 | P1381 | Misfire Detected - No Communication With EBCM | Ford |
| 2 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Volvo |
| 2 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Honda, Mercury |
| 2 | P0306 | Cylinder 6 Misfire Detected | Isuzu, Porsche |
| 2 | P0325 | Knock Sensor Circuit Malfunction | Buick, Nissan |
| 2 | P0341 | CMP Sensor Performance | Isuzu, Volkswagen |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Chrysler, Plymouth |
| 2 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 2 | P1456 | EVAP System Leak Detected (Fuel Tank Area) | Ford, Honda |
| 1 | P0000 | No Self-Diagnostic Malfunction Detected | Honda |
| 1 | P0023 | Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 2) | Cadillac |
| 1 | P0025 | Camshaft Position 'B' Over-Retarded (Bank 2) | Cadillac |
| 1 | P0032 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit High Voltage | Cadillac |
| 1 | P0072 | Ambient Air Temperature Sensor Circuit Low Voltage | Cadillac |
| 1 | P0083 | Intake Valve Control Solenoid Circuit High (Bank 2) | Cadillac |
| 1 | P0085 | Accelerator Pedal Position Sensor 2 Circuit Low | Cadillac |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Chevrolet |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Mitsubishi |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0123 | TP Sensor Circuit High Voltage | Mazda |
| 1 | P0129 | Barometric Pressure Sensor Out-Of-Range Low | Chrysler |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Subaru |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Honda |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Mercury |
| 1 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Mercury |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Mercury |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Mitsubishi |
| 1 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Mercedes-Benz |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Dodge |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Porsche |
| 1 | P0206 | Fuel Injector 6 Control Circuit Malfunction | Dodge |
| 1 | P0208 | Fuel Injector 8 Control Circuit Malfunction | Dodge |
| 1 | P0308 | Cylinder 8 Misfire Detected | Dodge |
| 1 | P0322 | Crankshaft Position Sensor Circuit No Signal | Volkswagen |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Volvo |
| 1 | P0336 | Crankshaft Position Sensor Performance | Volvo |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Volvo |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0400 | EGR System Recirculation Flow | Mitsubishi |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Volkswagen |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Chevrolet |
| 1 | P0432 | Catalyst Efficiency Below Normal (Bank 2) | Dodge |
| 1 | P0441 | EVAP Purge System Performance | BMW |
| 1 | P0442 | EVAP System Small Leak Detected | Chevrolet |
| 1 | P0446 | EVAP Vent System Performance | Chevrolet |
| 1 | P0455 | EVAP System Large Leak Detected | Ford |
| 1 | P0508 | Idle Air Control Motor Sense Circuit Low Voltage | Honda |
| 1 | P0603 | Control Module Long Term Memory Reset | Porsche |
| 1 | P0624 | Fuel Cap Lamp Control Circuit Malfunction | Porsche |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Mazda |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1017 | Ignition Coil 4 Output Stage Circuit High | Volvo |
| 1 | P1123 | Throttle Position 'A' Signal In Range (But Lower Than Expected) | Porsche |
| 1 | P1125 | Accelerator Pedal Position System Malfunction | Porsche |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Porsche |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1170 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit - No Inversion | Mazda |
| 1 | P1256 | malf controlled fuel air metering | Volkswagen |
| 1 | P1296 | 5-Volt VREF Supply Not Present | Honda |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Land Rover |
| 1 | P1351 | ICM Ignition Control Circuit High Voltage | Plymouth |
| 1 | P1376 | IC Module Ignition Ground Circuit Malfunction | Cadillac |
| 1 | P1380 | Misfire Detected, Rough Road Data Not Available | Ford |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Ford |
| 1 | P1393 | 'G' Sensor Rough Road High Voltage | Ford |
| 1 | P1402 | EGR System Malfunction Detected (Open) | Hyundai |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Ford |
| 1 | P1415 | Secondary Air Injection System (Bank 1) | Pontiac |
| 1 | P1441 | EVAP System Flow During Non-Purge Conditions | Isuzu |
| 1 | P1444 | EVAP Canister Purge Volume Control Valve Circuit Malfunction | Infiniti |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1540 | Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled | Mazda |
| 1 | P1580 | Battery Current Sensor Circuit Malfunction | Volkswagen |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Volkswagen |
| 1 | P1631 | Theft Deterrent Fuel Enable Signal Not Correct | Chevrolet |
| 1 | P1637 | Generator 'L' Terminal Circuit Malfunction | Pontiac |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Ford |
| 1 | P1705 | Throttle Position Sensor Circuit Malfunction | Ford |
| 1 | P1780 | Park/Neutral Position Switch Circuit Malfunction | Ford |
| 1 | P4440 | General evap system problem | Chrysler |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
