Diagnostic Trouble Code Index for May 2014
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 | Audi, Chevrolet, Chrysler, Dodge, GMC, Honda, Mercedes-Benz, Nissan, Oldsmobile, Porsche, Suzuki, Toyota, Volkswagen |
| 11 | P0171 | Fuel System Lean (Bank 1) | Cadillac, Chevrolet, Ford, GMC, Nissan, Pontiac, Suzuki, Toyota |
| 7 | P0174 | Fuel System Lean (Bank 2) | Cadillac, Ford, GMC, Nissan, Suzuki |
| 6 | P0303 | Cylinder 3 Misfire Detected | Honda, Mercedes-Benz, Porsche, Subaru, Volkswagen |
| 6 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chrysler, Ford, Infiniti, Nissan, Volvo |
| 4 | P0301 | Cylinder 1 Misfire Detected | Honda, Mercedes-Benz, Subaru, Volkswagen |
| 4 | P0302 | Cylinder 2 Misfire Detected | Honda, Porsche, Subaru, Volkswagen |
| 4 | P0304 | Cylinder 4 Misfire Detected | Honda, Mercedes-Benz, Subaru |
| 4 | P0336 | Crankshaft Position Sensor Performance | Chevrolet, GMC, Saturn |
| 4 | P0341 | CMP Sensor Performance | Chevrolet, Ford, GMC, Honda |
| 4 | P0700 | Automatic Transmission System Malfunction Detected | Chrysler, Dodge, GMC |
| 3 | P0011 | Intake Camshaft Position System Performance | Audi, Kia |
| 3 | P0014 | Exhaust Camshaft Position System Performance | Chevrolet, Mini, Toyota |
| 3 | P0305 | Cylinder 5 Misfire Detected | Honda, Lexus, Porsche |
| 3 | P0446 | EVAP Vent System Performance | Ford, Pontiac, Porsche |
| 2 | P0015 | Camshaft Position 'B' Over-Retarded (Bank 1) | BMW, Mini |
| 2 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Mini, Toyota |
| 2 | P0032 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit High Voltage | Chrysler, Dodge |
| 2 | P0087 | Fuel Rail Pressure Too Low | Chevrolet, GMC |
| 2 | P0102 | MAF Sensor Circuit Low Frequency | Chrysler, Volvo |
| 2 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge, Jeep |
| 2 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Suzuki, Toyota |
| 2 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Toyota, Volvo |
| 2 | P0339 | Crankshaft Position Sensor Signal Intermittent | Dodge, GMC |
| 2 | P0342 | CMP Sensor Circuit Low Voltage | Buick, Chevrolet |
| 2 | P0442 | EVAP System Small Leak Detected | Dodge, GMC |
| 2 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Chrysler, Porsche |
| 2 | P1233 | Fuel System Disabled Or Offline | Ford |
| 2 | P1441 | EVAP System Flow During Non-Purge Conditions | GMC, Toyota |
| 2 | P1790 | Fault Immediately After Shift | Chrysler, Jaguar |
| 2 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Cadillac |
| 2 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Ford |
| 2 | P2463 | Diesel Particulate Filter Soot Level Accumulation | Ford, Volkswagen |
| 1 | C0242 | PCM indicated Traction Control System malfunction | Buick |
| 1 | C1805 | PCM and/or ABS/Tracs control module mismatch | Ford |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | BMW |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Audi |
| 1 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Jeep |
| 1 | P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage | Chrysler |
| 1 | P005A | misfir 12 | Mercedes-Benz |
| 1 | P0068 | Throttle Body Airflow Performance | Audi |
| 1 | P0069 | Abnormal Correlation Between MAP And BARO Sensor | Dodge |
| 1 | P0089 | Fuel Pressure Regulator Performance | Volvo |
| 1 | P0093 | Fuel System Large Leak Detected | Ford |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0115 | Engine Coolant Temperature Sensor Circuit Malfunction | Mini |
| 1 | P0121 | TP Sensor Performance | Cadillac |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Dodge |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Toyota |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Mitsubishi |
| 1 | P0160 | Heated Oxygen Sensor (Bank 2 Sensor 2) Insufficient Activity | Audi |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Dodge |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Mitsubishi |
| 1 | P0172 | Fuel System Rich (Bank 1) | Chevrolet |
| 1 | P0175 | Fuel System Rich (Bank 2) | Chevrolet |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Volvo |
| 1 | P0192 | Fuel Rail Pressure Sensor Circuit Low Voltage | Dodge |
| 1 | P0193 | Fuel Rail Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Volkswagen |
| 1 | P0205 | Fuel Injector 5 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0221 | Throttle Position Sensor 2 Performance | Chrysler |
| 1 | P0240 | Camshaft position sensor | Dodge |
| 1 | P0258 | low coolant temp | Mercedes-Benz |
| 1 | P0269 | Cylinder 3 Balance System Malfunction | Ford |
| 1 | P0278 | Cylinder 6 Balance System Malfunction | Ford |
| 1 | P0299 | Turbocharger Engine Underboost | Ford |
| 1 | P0306 | Cylinder 6 Misfire Detected | Porsche |
| 1 | P0308 | Cylinder 8 Misfire Detected | Dodge |
| 1 | P0320 | No Crank Reference Signal To PCM | Mazda |
| 1 | P0325 | Knock Sensor Circuit Malfunction | Chrysler |
| 1 | P0326 | Knock Sensor Performance | Kia |
| 1 | P0328 | Knock Sensor Circuit High Voltage (Bank 1) | Nissan |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Chrysler |
| 1 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Volvo |
| 1 | P0350 | Ignition Coil Primary/Secondary Circuit Malfunction | Hyundai |
| 1 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Chevrolet |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Chevrolet |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Chevrolet |
| 1 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Chevrolet |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Chevrolet |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Chevrolet |
| 1 | P0366 | Exhaust Camshaft Position Sensor Performance | Mercedes-Benz |
| 1 | P0401 | Insufficient EGR Flow Detected | GMC |
| 1 | P0404 | EGR Open Position Performance | Ford |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Audi |
| 1 | P0422 | Catalyst Efficiency Below Normal (Bank 1) | Subaru |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Suzuki |
| 1 | P0441 | EVAP Purge System Performance | Lexus |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Dodge |
| 1 | P0456 | EVAP System Very Small Leak Detected | Nissan |
| 1 | P0461 | Fuel Level Sensor Performance | Dodge |
| 1 | P0462 | Fuel Level Sensor Low Voltage | Dodge |
| 1 | P0463 | Fuel Level Sensor High Voltage | Subaru |
| 1 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | GMC |
| 1 | P0483 | Cooling Fan System Performance | Dodge |
| 1 | P0506 | Idle Speed Low | Nissan |
| 1 | P0507 | Idle Speed High | Nissan |
| 1 | P0508 | Idle Air Control Motor Sense Circuit Low Voltage | Chrysler |
| 1 | P0522 | Engine Oil Pressure Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0532 | A/C Refrigerant Pressure Sensor Circuit Low Voltage | Dodge |
| 1 | P0600 | Serial Communication Link | Volvo |
| 1 | P0602 | Control Module Not Programmed | Volvo |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0605 | Control Module Programming Read Only Memory | Chevrolet |
| 1 | P0607 | Control Module Performance | Ford |
| 1 | P061B | Internal Control Module Torque Calculation Performance | Ford |
| 1 | P062F | Internal Control Module EEPROM Error | Chevrolet |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Dodge |
| 1 | P0717 | Input Shaft Speed Sensor Low Input | Oldsmobile |
| 1 | P0725 | Engine Speed Sensor Circuit Malfunction | Nissan |
| 1 | P0734 | Gear Ratio Error In Fourth | Chrysler |
| 1 | P0850 | Park Neutral Switch Performance | Ford |
| 1 | P0856 | Traction Control Torque Request Circuit Malfunction | Buick |
| 1 | P0868 | Line Pressure Low | Nissan |
| 1 | P087E | Clutch position sensor B | Ford |
| 1 | P0884 | Power-Up At Speed | Ford |
| 1 | P0A92 | Hybrid Generator Performance | Toyota |
| 1 | P1009 | Variable Valve Timing Control Advance Malfunction | Honda |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | Chevrolet |
| 1 | P1125 | Accelerator Pedal Position System Malfunction | Cadillac |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Dodge |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Nissan |
| 1 | P1171 | Fuel System Lean During Acceleration | Land Rover |
| 1 | P1173 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | Land Rover |
| 1 | P1174 | Fuel Trim Cylinder Balance | Land Rover |
| 1 | P1191 | Intake Air Duct Air Leak | Jaguar |
| 1 | P1192 | Intake Air Temperature Sensor Circuit Low Voltage | Jaguar |
| 1 | P1194 | ETC System Limp Home - TP Sensor 2 Circuit Malfunction | Jaguar |
| 1 | P1211 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1260 | Immobilizer System Malfunction | Lincoln |
| 1 | P1281 | Engine Is Cold Too Long | Jeep |
| 1 | P1340 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Lexus |
| 1 | P1371 | DI Ignition Low-Resolution Circuit Malfunction | Chevrolet |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1444 | EVAP Canister Purge Volume Control Valve Circuit Malfunction | Toyota |
| 1 | P1450 | Unable to Bleed Up Fuel Tank Vacuum | Ford |
| 1 | P1491 | EVAP Vacuum Cut Valve/Bypass Circuit Malfunction | Acura |
| 1 | P1494 | EVAP Leak Detection Pump Switch Or Mechanical Fault | Dodge |
| 1 | P1607 | PCM Internal Shutdown Timer Slow Rationality | Dodge |
| 1 | P1618 | Sensor Reference Voltage 1 Circuit Erratic | Dodge |
| 1 | P1645 | Body ECU Malfunction | Oldsmobile |
| 1 | P1705 | Throttle Position Sensor Circuit Malfunction | Nissan |
| 1 | P1754 | Input Clutch Solenoid Valve Circuit Malfunction | Dodge |
| 1 | P2015 | Intake Manifold Runner Position Sensor Performance | Mazda |
| 1 | P2050 | Misfiring damages twc | Mercedes-Benz |
| 1 | P2052 | Fuel Rail Pressure Sensor Implausible | Mercedes-Benz |
| 1 | P2054 | Engine Coolant Temperature Sensor Circuit Signal Voltage Too Low | Mercedes-Benz |
| 1 | P2056 | cyl 5 misfire | Mercedes-Benz |
| 1 | P205C | Generic code reductant tank temp sensor low | BMW |
| 1 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Mini |
| 1 | P2104 | ETC System Malfunction - Forced Idle | Ford |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Dodge |
| 1 | P2112 | Electronic Throttle Control - Unable To Open | Ford |
| 1 | P2121 | Accelerator Pedal Position Sensor 1 Performance | Dodge |
| 1 | P2178 | Fuel Trim System Rich At Cruise or Acceleration (Bank 1) | Volvo |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Lexus |
| 1 | P2198 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich" | Ford |
| 1 | P2240 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Pumping Current Signal Open | Mercedes-Benz |
| 1 | P2291 | Injector Control Pressure Too Low - Engine Cranking | Ford |
| 1 | P242C | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 3) | Ford |
| 1 | P2440 | Secondary Air Injection System Control/Shut-Off Valve Stuck Open | Toyota |
| 1 | P246C | Dpf bank 1 | Ford |
| 1 | P249F | excessive time to enter closed loop dpf regeneration control | Ford |
| 1 | P2509 | Power-Down Data Lost Error | Dodge |
| 1 | P2610 | Control Module Ignition Off Timer Performance | Chevrolet |
| 1 | P2799 | Immobilizer problem | Toyota |
| 1 | P2A00 | Heated Oxygen Sensor (Bank 1 Sensor 1) Closed Loop Performance | Nissan |
| 1 | P2A01 | Heated Oxygen Sensor (Bank 1 Sensor 2) Closed Loop Performance | Dodge |
| 1 | U0073 | Control Module Communication Bus Off | Buick |
| 1 | U0100 | Lost Communication With ECM/PCM | Buick |
| 1 | U0109 | Lost communication with fuel pump control module | Chevrolet |
| 1 | U011A | Lost Communication With Exhaust Gas Sensor Module | Ram |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Dodge |
| 1 | U0140 | Lost Communication With BCM | Buick |
| 1 | U0170 | lost comm. with airbag sensor A | Dodge |
| 1 | U0171 | Dodge | |
| 1 | U1000 | Class 2 Communication Malfunction | Nissan |
| 1 | U1040 | Lost Communication With Antilock Brake System Module | Buick |
| 1 | U1042 | Loss of Communication With Electronic Brake Controller | Chevrolet |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
| 1 | U110C | Lost Fuel Level Message | Dodge |
| 1 | U1160 | lost communication with drivers door module | Buick |
| 1 | U1193 | Loss of Vehicle Immobilizer Module Communications | Chevrolet |
| 1 | U1255 | Class 2 Communication Malfunction | Buick |
| 1 | U1300 | Class 2 Data Line Short To Ground | Buick |
| 1 | U1305 | Class 2 Data Line Circuit High Or Low Voltage | Buick |
| 1 | U1604 | lost communication wiht BCM/DIM | Buick |
