Diagnostic Trouble Code Index for March 2018
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 |
| 11 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Dodge, Jeep, Kia, Mercedes-Benz, Nissan, Ram, Toyota, Volvo |
| 8 | P0302 | Cylinder 2 Misfire Detected | Acura, Honda, Kia, Lexus, Toyota, Volkswagen, Volvo |
| 7 | P0304 | Cylinder 4 Misfire Detected | Chevrolet, Honda, Lexus, Ram, Toyota, Volkswagen |
| 5 | P0301 | Cylinder 1 Misfire Detected | Kia, Ram, Toyota, Volkswagen, Volvo |
| 4 | P0171 | Fuel System Lean (Bank 1) | Chrysler, Nissan, Toyota |
| 3 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Buick, Ford |
| 3 | P0303 | Cylinder 3 Misfire Detected | Toyota, Volkswagen, Volvo |
| 3 | P0306 | Cylinder 6 Misfire Detected | Acura, Lexus, Toyota |
| 3 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Cadillac, Jeep, Saab |
| 2 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Jeep, Lexus |
| 2 | P0019 | Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2) | Cadillac, Lexus |
| 2 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 2 | P0299 | Turbocharger Engine Underboost | Audi, Ford |
| 2 | P0340 | Camshaft Position Sensor Circuit Malfunction | Ford |
| 2 | P0344 | Camshaft Position Sensor Signal Intermittent | Dodge, Ford |
| 2 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Cadillac, Chevrolet |
| 2 | P0456 | EVAP System Very Small Leak Detected | Ford, Volkswagen |
| 2 | P1639 | 5-Volt Reference 'B' Circuit Malfunction | Ford |
| 2 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Ford, Hyundai |
| 2 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Ford, Hyundai |
| 1 | B1318 | Low Battery Voltage At Module | Mazda |
| 1 | B1342 | ECU Damaged (EEPROM Inside PCM Not Working) | Mazda |
| 1 | B2126 | Nissan | |
| 1 | B2795 | Unmatched Key Code | Toyota |
| 1 | C1022 | Asr no can comm with m.e. | Mercedes-Benz |
| 1 | C1119 | reduced throttle | Mazda |
| 1 | C1132 | engine 3 fuel cut malfunction | Infiniti |
| 1 | P0011 | Intake Camshaft Position System Performance | Subaru |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Nissan |
| 1 | P0024 | Exhaust Camshaft Position System Performance (Bank 2) | Cadillac |
| 1 | P0068 | Throttle Body Airflow Performance | Volkswagen |
| 1 | P0087 | Fuel Rail Pressure Too Low | Volkswagen |
| 1 | P0088 | Fuel Rail Pressure Too High | Honda |
| 1 | P0110 | Intake Air Temperature Sensor Circuit Malfunction | Toyota |
| 1 | P0112 | IAT Sensor Circuit Low Voltage | Dodge |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Ford |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Ford |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Dodge |
| 1 | P0121 | TP Sensor Performance | Dodge |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Chevrolet |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Buick |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Toyota |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Toyota |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Chevrolet |
| 1 | P0147 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction | Chevrolet |
| 1 | P014C | O2 Sensor Slow response- Rich To Lean bank 1 Sensor 1 | Nissan |
| 1 | P014D | O2 Sensor Slow response- Lean To Rich Bank 1 Sensor 1 | Nissan |
| 1 | P015A | O2 Sensor Delayed response- Rich to Lean Bank 1 Sensor 1 | Nissan |
| 1 | P015B | HO2S Delayed Lean to Rich Response B1S1 | Nissan |
| 1 | P0162 | Throttle Position Sensor 1 Circuit Low | Ford |
| 1 | P0172 | Fuel System Rich (Bank 1) | Honda |
| 1 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Chrysler |
| 1 | P0175 | Fuel System Rich (Bank 2) | Honda |
| 1 | P020A | cyl 1 injection timing intermittent | Ram |
| 1 | P020D | Cylinder 4 ignition timing | Ram |
| 1 | P0237 | Turbocharger Boost Sensor Circuit Low Voltage | Dodge |
| 1 | P0263 | Cylinder 1 Balance System Malfunction | Ford |
| 1 | P0267 | Fuel Injector 3 Control Circuit Low Voltage | Ford |
| 1 | P0275 | Cylinder 5 Balance System Malfunction | Ford |
| 1 | P0305 | Cylinder 5 Misfire Detected | Mercedes-Benz |
| 1 | P0307 | Cylinder 7 Misfire Detected | Toyota |
| 1 | P0308 | Cylinder 8 Misfire Detected | Lexus |
| 1 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Volkswagen |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet |
| 1 | P0336 | Crankshaft Position Sensor Performance | Chevrolet |
| 1 | P0391 | Exhaust Camshaft Position Sensor Performance (Bank 2) | Cadillac |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Ford |
| 1 | P0416 | Secondary AIR System Switching Valve 'B' Circuit Malfunction | Ford |
| 1 | P0442 | EVAP System Small Leak Detected | Volkswagen |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0455 | EVAP System Large Leak Detected | Chevrolet |
| 1 | P0463 | Fuel Level Sensor High Voltage | Chevrolet |
| 1 | P0471 | Exhaust Backpressure Circuit Range/Performance | Mercedes-Benz |
| 1 | P0507 | Idle Speed High | Volkswagen |
| 1 | P061C | ETC Level 2 RPM Performance | Ford |
| 1 | P0652 | Sensor Reference Voltage 2 Circuit Low | Audi |
| 1 | P0671 | Glow Plug No. 1 Control Circuit Malfunction | Volkswagen |
| 1 | P0673 | Glow Plug No. 3 Control Circuit Malfunction | Volkswagen |
| 1 | P0674 | Glow Plug No. 4 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P069E | Fuel Pump Control Module (FPCM) Requested MIL Illumination | Cadillac |
| 1 | P087E | Low fuel pressure | Mercedes-Benz |
| 1 | P1123 | Throttle Position 'A' Signal In Range (But Lower Than Expected) | Porsche |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Chevrolet |
| 1 | P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching | Chevrolet |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Infiniti |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1239 | Engine Oil Temperature Too Low | Mercedes-Benz |
| 1 | P1271 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Ford |
| 1 | P1273 | Air Fuel Sensor (Bank 1 Sensor 1) Lean Shift Monitoring | Ford |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Ford |
| 1 | P132B | turbocharger boost control a performance | Ford |
| 1 | P1336 | CKP Sensor System Variation Not Learned | Ford |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Jeep |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Buick |
| 1 | P1549 | Charging System High Voltage | Ford |
| 1 | P1580 | Battery Current Sensor Circuit Malfunction | Mercedes-Benz |
| 1 | P1749 | EPC Solenoid Failed Low | Audi |
| 1 | P1754 | Input Clutch Solenoid Valve Circuit Malfunction | Ford |
| 1 | P1815 | TFP Valve Position Switch - Start In Wrong Range | Infiniti |
| 1 | P202F | transmission jammed | Smart |
| 1 | P2035 | turning angle sensor adaptation | Smart |
| 1 | P203B | Fault of function monitor in electronic accelerator | Smart |
| 1 | P203C | actual position of turning angle sensor | Smart |
| 1 | P204B | testing and results | Chevrolet |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | GMC |
| 1 | P2198 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich" | Ford |
| 1 | P2262 | Turbo/Super Charger Boost Pressure Not Detected - Mechanical | Ram |
| 1 | P2269 | Water In Fuel | Ram |
| 1 | P2290 | Injector Control Pressure Too Low | Ford |
| 1 | P2440 | Secondary Air Injection System Control/Shut-Off Valve Stuck Open | Toyota |
| 1 | P2564 | Turbocharger Boost Control Position Sensor Low Voltage | Volkswagen |
| 1 | P3007 | camshaft pos sensorg40 no signal | Volkswagen |
| 1 | P4010 | Egr system performance | Ram |
| 1 | U0100 | Lost Communication With ECM/PCM | Ford |
| 1 | U0401 | Implausible Data Received From ECM / PCM | Ford |
| 1 | U1000 | Class 2 Communication Malfunction | Infiniti |
| 1 | U1001 | Lost Communication With XXX Control Module | Infiniti |
| 1 | U1113 | Lost A/C Pressure Message | Audi |
| 1 | U1900 | CAN System Communication Error | Mazda |
| 1 | U2105 | TCM - No Communication With Engine Control Module | Isuzu |
| 1 | U2202 | Lost communication with def | Isuzu |
| 1 | U2203 | Lost communication with turbo boost module | Isuzu |
| 1 | U2516 | CAN System Wiring Harness Open Or Shorted | Mazda |
