OBD-II Diagnostic Codes
727 codes with real owner data · Find meanings, costs, and fixes
Understanding OBD-II Codes
P
Powertrain
Engine, transmission, fuel system, ignition, emissions
B
Body
Air conditioning, airbags, seat belts, wipers
C
Chassis
ABS, traction control, suspension, steering
U
Network
CAN bus, module communication, data transmission
Showing 1–100 of 727 codes
P0420353 sources
Catalyst System Efficiency Below Threshold (Bank 1)
P0171257 sources
System Too Lean (Bank 1)
P0300302 sources
Random/Multiple Cylinder Misfire Detected
P0174123 sources
System Too Lean (Bank 2)
P013579 sources
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P002163 sources
Intake Camshaft Position Timing - Over-Advanced (Bank 2)
P0304106 sources
Cylinder 4 Misfire Detected
P001156 sources
Intake Camshaft Position Timing - Over-Advanced (Bank 1)
P0301121 sources
Cylinder 1 Misfire Detected
P125949 sources
Immobilizer to PCM Signal Error
P0303127 sources
Cylinder 3 Misfire Detected
P002250 sources
Intake Camshaft Position Timing - Over-Retarded (Bank 2)
P045568 sources
System Gross Leak Evaporative Emission
P0302110 sources
Cylinder 2 Misfire Detected
P044649 sources
Evaporative Emission Control System Vent Control Circuit Malfunction
P034065 sources
Camshaft Position Sensor Circuit Malfunction
P045733 sources
Evaporative Emission Control System Leak Detected
P070074 sources
Transmission Control System Malfunction
C1500113 sources
Transfer Case Contact Plate 'B' Encoder Circuit Failure
P043099 sources
Catalyst System Efficiency Below Threshold (Bank 2)
P044151 sources
Evaporative Emission Control System Incorrect Purge flow
P030658 sources
Cylinder 6 Misfire Detected
P044344 sources
Evaporative Emission Control System Purge Control Valve circuit Malfunction
P045677 sources
Evaporative Emissions System Small Leak Detected
P014149 sources
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P015537 sources
O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
P032553 sources
Knock Sensor 1 Circuit (Bank 2 or Single Sensor)
P044245 sources
Evaporative Emission Control System leak Detected (small leak)
P180024 sources
Transmission Clutch Interlock Safety Switch Circuit Failure
P174720 sources
Pressure Control Solenoid A Short Circuit
P010136 sources
Mass or Volume Air flow Circuit Range/Performance Problem
C110016 sources
ABS Pump Switch Circuit Failure
P001650 sources
Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A
P066116 sources
Intake Manifold Tuning Valve Control Circuit Low (Bank 1)
P031643 sources
Misfire Detected On Startup (First 1000 Revolutions)
P034542 sources
Camshaft Position Sensor A Circuit (Bank 2)
P050734 sources
Idle Control System RPM higher Than Expected
P075217 sources
Shift Solenoid A Stuck On
P010243 sources
Mass or Volume Air Flow Circuit low Input
P012520 sources
Insufficient Coolant Temperature for Closed Loop Fuel Control
P034424 sources
Camshaft Position Sensor Circuit Intermittent
P014014 sources
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P060022 sources
Serial Communication Link Malfunction
P077617 sources
Pressure Control Solenoid B Performance or Stuck off
P139924 sources
Glow Plug Circuit High Side, High Input
P017257 sources
System Too Rich (Bank 1)
P040137 sources
Exhaust Gas Recirculation Flow Insufficient Detected
P213525 sources
Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation
U010039 sources
Lost Communication With ECM/PCM A
B143314 sources
Wiper Brake/Run Relay Circuit Short To Ground
C124914 sources
ABS Outlet Valve Coil RR Circuit Short To Ground
P001027 sources
Intake Camshaft Position Actuator Circuit / Open (Bank 1)
P001825 sources
Crankshaft Position Camshaft Position Correlation Bank 2 Sensor A
P005923 sources
HO2S Heater Resistance (Bank 2, Sensor 1)
P012859 sources
Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)
P029932 sources
Turbo / Super Charger Underboost
P030540 sources
Cylinder 5 Misfire Detected
P065115 sources
Sensor Reference Voltage B Circuit/Open
P084612 sources
Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance
P129816 sources
IDM Failure
P007317 sources
Ambient Air Temperature Sensor Circuit High Input
P030728 sources
Cylinder 7 Misfire Detected
P030818 sources
Cylinder 8 Misfire Detected
P034929 sources
Camshaft Position Sensor A Circuit Intermittent (Bank 2)
P050030 sources
Vehicle Speed Sensor Malfunction
P050528 sources
Idle Control System Malfunction
P005321 sources
HO2S Heater Resistance Bank 1 Sensor 1 (PCM)
P033016 sources
Knock Sensor 2 Circuit (Bank 2)
P046324 sources
Evaporative Emission Control System Pressure Sensor High Input / Fuel Level Sensor Circuit High Input
P052117 sources
Engine Oil Pressure Sensor/Switch Range/Performance
P068515 sources
ECM/PCM Power Relay Control Circuit/Open
P073116 sources
Gear 1 Incorrect Ratio
P074021 sources
Torque Converter Clutch Circuit Malfunction
P149411 sources
SPCUT Solenoid Circuit Malfunction
B15969 sources
Service Continuous Codes
P001513 sources
Exhaust Camshaft Position Timing - Over-Retarded (Bank 1)
P006021 sources
HO2S Heater Resistance (Bank 2, Sensor 2)
P02089 sources
Injector Circuit Malfunction - Cylinder 8
P034130 sources
Camshaft Position Sensor Circuit Range/Performance
P03898 sources
Crankshaft Position Sensor B Circuit Intermittent
P044021 sources
Evaporative Emission Control System Malfunction
P12129 sources
Injector Control Pressure Not Detected During Crank
P157410 sources
Throttle Position Sensor Disagreement btwn Sensors
P18388 sources
Transmission Transfer Case Shift Motor Circuit Failure
P200017 sources
NOx Adsorber Efficiency Below Threshold Bank 1
U100111 sources
SCP (J1850) Invalid or Missing Data for Primary Id
B14447 sources
Door Handle Switch Circuit Short To Battery
B14487 sources
Wiper Park Sense Circuit Short To Battery
C122312 sources
Lamp Brake Warning Output Circuit Failure
C125510 sources
ABS Inlet Valve Coil RR Circuit Open
P001221 sources
Intake Camshaft Position Timing - Over-Retarded (Bank 1)
P005421 sources
HO2S Heater Resistance Bank 1 Sensor 2 (PCM)
P008726 sources
Fuel Rail/System Pressure - Too Low
P013718 sources
O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
P072024 sources
Output Speed Sensor Circuit Malfunction
P074118 sources
Torque Converter Clutch Circuit Performance or Stuck Off
P07439 sources
Torque Converter Clutch Circuit Electrical
P07589 sources
Shift Solenoid B Electrical
P115111 sources
Lack Of HO2S21 Switch - Sensor Indicates Lean
P001436 sources
Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)
Database includes 727 OBD codes with real owner data.