Engine Diagnostic Codes (P0XXX)

Complete list of engine diagnostic trouble codes (P0XXX). Browse powertrain codes for engine, transmission, and emission control systems.

Popular Engine Codes

P0100

Mass Air Flow Circuit

Mass or Volume Air Flow Circuit malfunction

P0171

System Too Lean (Bank 1)

System too Lean (Bank 1)

P0300

Random/Multiple Cylinder Misfire

Random/Multiple Cylinder Misfire Detected

P0420

Catalyst System Efficiency

Catalyst System Efficiency Below Threshold (Bank 1)

P0442

EVAP System Leak

Evaporative Emission Control System Leak Detected (small leak)

Complete Engine Codes Index

Browse all available engine diagnostic trouble codes (P0XXX) organized by system:

Showing codes 10601-10700 of 12293 total codes

P29XX Engine Control System

P2968
DTC P2968 indicates a cooling system performance issue related to hybrid batt...
P2969
P2969 indicates a malfunction in the battery temperature sensor circuit of hy...
P296A
The P296A code indicates a voltage range/performance issue with the hybrid ba...
P296B
P296B indicates a problem with the hybrid battery cooling system,
P296C
P296C indicates a problem with the hybrid battery cooling system performance.
P296D
P296D indicates a malfunction in the hybrid inverter system, crucial for hybr...
P296E
P296E indicates a fault in the hybrid battery control system, affecting perfo...
P296F
The P296F code indicates an issue with the hybrid system's electric water pum...
P2970
P2970 indicates a communication error between the PCM and other electronic mo...
P2971
The P2971 code indicates an issue with the throttle position sensor or its ci...
P2972
P2972 indicates a problem with the transmission fluid temperature sensor signal.
P2973
P2973 indicates a fuel pressure sensor range or performance issue.
P2974
The P2974 code indicates an issue with the throttle position sensor signal.
P2975
P2975 indicates a throttle position sensor performance problem.
P2976
DTC P2976 signals a problem with the transmission fluid temperature sensor,
P2977
The P2977 code signifies a malfunction in the transmission fluid temperature ...
P2978
P2978 refers to a problem with the steering angle sensor in your vehicle.
P2979
Indicates an issue with the turbocharger bypass valve control circuit.
P297A
P297A indicates a malfunction with the Fuel Temperature Sensor A,
P297B
P297B indicates a performance issue with the transmission temperature sensor.
P297C
P297C indicates an issue with the fuel pressure sensor's performance.
P297D
Indicates a fault with the Fuel Pump Control Module (FPCM) or the fuel delive...
P297E
DTC P297E indicates a fuel system issue related to the fuel pump control module.
P297F
P297F indicates a fuel pressure regulator issue in your vehicle.
P2980
P2980 signifies a malfunction in the Transmission Control Module,
P2981
P2981 indicates a fault with the Transmission Control Module performance.
P2982
P2982 indicates a problem with the transmission fluid temperature sensor's ra...
P2983
DTC P2983 signifies a problem with the transmission control module's circuit ...
P2984
P2984 indicates a communication error between the PCM and other vehicle contr...
P2985
P2985 indicates a communication error with the Transmission Control Module.
P2986
P2986 indicates a performance issue with the Transmission Control Module.
P2987
Indicates a specific issue with the Transmission Control Module (TCM) perform...
P2988
P2988 indicates a malfunction in the CVT fluid pressure sensor circuit.
P2989
P2989 indicates a problem with the Electric Power Steering (EPS) system.
P298A
P298A indicates an abnormal reading from the transmission fluid pressure sensor.
P298B
P298B indicates a problem with the Transmission Control Module's performance.
P298C
DTC P298C indicates a fault in the hybrid battery management system related t...
P298D
P298D indicates a problem with the battery management system, particularly co...
P298E
P298E indicates a malfunction in the transmission control module.
P298F
Indicates an issue with the transmission fluid temperature sensor.
P2990
P2990 indicates a turbocharger boost control position sensor problem,
P2991
P2991 indicates a turbocharger or supercharger boost system issue.
P2992
P2992 indicates a malfunction in the turbocharger or supercharger boost contr...
P2993
P2993 indicates a problem with the turbocharger/supercharger boost pressure s...
P2994
The P2994 code indicates a problem with the turbocharger boost control positi...
P2995
P2995 indicates a turbocharger bypass valve performance issue.
P2996
P2996 indicates a boost control issue in your vehicle's turbo or supercharger...
P2997
The P2997 code indicates a performance issue with the turbocharger or superch...
P2998
P2998 indicates a turbocharger or supercharger boost control range issue.
P2999
P2999 indicates a performance issue with the turbocharger or supercharger boo...
P299A
DTC P299A indicates a performance issue with your turbocharger or supercharge...
P299B
P299B indicates a turbocharger or supercharger boost pressure control issue.
P299C
P299C refers to a turbocharger boost control circuit performance issue.
P299D
Indicates a problem with the turbocharger or supercharger boost control posit...
P299E
The P299E code signifies a problem with the turbocharger or supercharger boos...
P299F
P299F is a code indicating turbocharger boost control performance issues,
P29A0
DTC P29A0 indicates a turbocharger boost control issue, impacting engine perf...
P29A1
The P29A1 code means there's a problem with the turbocharger or supercharger ...
P29A2
DTC P29A2 signifies that the turbocharger boost pressure is too high,
P29A3
DTC P29A3 indicates a turbocharger or supercharger underboost condition.
P29A4
The P29A4 code indicates a problem with the turbocharger control system in yo...
P29A5
The P29A5 code indicates a boost control position sensor issue in turbocharge...
P29A6
The diagnostic trouble code P29A6 indicates a problem with the turbocharger b...
P29A7
DTC P29A7 indicates a potential problem with the turbocharger system,
P29A8
P29A8 signifies a turbocharger boost control position sensor issue,
P29A9
The P29A9 code indicates a problem with the boost pressure control system in ...
P29AA
DTC P29AA indicates a turbocharger bypass valve control circuit problem.
P29AB
P29AB indicates that the turbocharger inlet pressure is too high,
P29AC
P29AC indicates a problem with turbocharger or supercharger boost control per...
P29AD
P29AD indicates a turbocharger underboost condition, meaning the turbo isn't ...
P29AE
The P29AE code indicates a malfunction in the turbocharger boost control syst...
P29AF
P29AF indicates a turbocharger bypass valve control issue, affecting engine p...
P29B0
Indicates the turbocharger or supercharger boost control position is not achi...
P29B1
P29B1 signifies an issue with the turbocharger boost control position sensor.
P29B2
P29B2 means there's an issue with the turbocharger boost control sensor's per...
P29B3
P29B3 indicates a turbocharger or supercharger boost control performance issue.
P29B4
P29B4 refers to a problem with the Exhaust Gas Recirculation (EGR) system's p...
P29B5
The P29B5 code indicates a problem with the turbocharger boost control sensor...
P29B6
P29B6 indicates a turbocharger boost control issue, particularly in vehicles ...
P29B7
The P29B7 code indicates a turbocharger boost control issue.
P29B8
The P29B8 code indicates a problem with the turbocharger boost control positi...
P29B9
DTC P29B9 indicates a malfunction in the turbocharger control system,
P29BA
The P29BA code indicates a turbocharger boost control performance issue.
P29BB
P29BB indicates a turbocharger boost control position sensor issue.
P29BC
The P29BC code indicates a turbocharger bypass valve performance issue,
P29BD
P29BD indicates a turbocharger control system malfunction.
P29BE
P29BE indicates a turbocharger boost pressure sensor circuit issue.
P29BF
P29BF indicates a turbocharger boost control performance issue.
P29C0
P29C0 indicates a malfunction in the turbocharger boost control system.
P29C1
The P29C1 code signifies a turbocharger or supercharger boost control perform...
P29C2
P29C2 refers to a turbocharger or supercharger boost control performance issue.
P29C3
P29C3 indicates a turbocharger underboost issue, meaning the turbo isn't prov...
P29C4
P29C4 means there is a performance issue with the turbocharger boost control ...
P29C5
P29C5 indicates a turbocharger boost pressure control issue.
P29C6
DTC P29C6 indicates a problem with the EGR cooler temperature sensor,
P29C7
DTC P29C7 indicates a problem with the boost pressure control in a turbocharg...
P29C8
DTC P29C8 refers to a turbocharger boost control issue, indicating that the t...
P29C9
P29C9 refers to a boost pressure control issue in your vehicle's turbo system.
P29CA
P29CA indicates a boost pressure control issue in turbocharged engines.
P29CB
The DTC P29CB code indicates an issue with the turbocharger boost control sys...
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