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 2201-2300 of 4123 total codes

P08XX Engine Control System

P0898
P0898 indicates a problem with the transmission fluid pressure sensor's readi...
P0899
P0899 indicates a performance issue in the transmission control system.
P089A
P089A indicates a performance issue with the transmission fluid temperature s...
P089B
P089B indicates a transmission control module performance issue,
P089C
P089C indicates a performance issue with the Transmission Control Module.
P089D
P089D indicates a problem with the transmission fluid pressure control.
P089E
DTC P089E signifies a performance issue in the transmission control system,
P089F
DTC P089F indicates a performance issue within the transmission control system.
P08A0
P08A0 refers to a performance issue in the Transmission Control Module,
P08A1
P08A1 indicates a communication issue between the engine control module and t...
P08A2
P08A2 indicates a problem with the Powertrain Control Module's communication ...
P08A3
P08A3 indicates a throttle actuator control performance issue in your vehicle...
P08A4
DTC P08A4 indicates a throttle position issue detected by the PCM.
P08A5
The P08A5 code indicates a fault with the Transmission Control Module (TCM),
P08A6
The P08A6 code indicates a malfunction in the Transmission Control Module (TC...
P08A7
P08A7 indicates a problem with the transmission cooling control circuit.
P08A8
P08A8 indicates a performance issue with the transmission control module.
P08A9
P08A9 indicates an issue with the transmission fluid temperature sensor,
P08AA
P08AA indicates a malfunction in the Powertrain Control Module.
P08AB
The P08AB code means there's a performance issue with the Powertrain Control ...
P08AC
P08AC indicates a performance issue with the Power Control Module.
P08AD
DTC P08AD indicates a potential issue with the powertrain control module rela...
P08AE
The P08AE code indicates a performance issue with the Transmission Control Mo...
P08AF
The P08AF code indicates an issue with the oil pressure control circuit perfo...
P08B0
P08B0 indicates a problem with the transmission fluid temperature sensor circ...
P08B1
P08B1 indicates an issue with the fuel pressure sensor signal in Ford vehicles.
P08B2
DTC P08B2 indicates a communication issue with the engine control module in y...
P08B3
P08B3 indicates a performance problem with the powertrain control module.
P08B4
P08B4 signifies a throttle position sensor performance issue detected by the ...
P08B5
The P08B5 code indicates a malfunction in the fuel pump control circuit.
P08B6
DTC P08B6 indicates an Engine Control Module performance issue.
P08B7
P08B7 means there's a problem with the power steering control module.
P08B8
DTC P08B8 indicates a malfunction in the Transmission Fluid Temperature sensor.
P08B9
P08B9 indicates a communication error between the engine and transmission con...
P08BA
The P08BA code signifies a problem with the camshaft position sensor performa...
P08BB
Indicates is vital for maintaining the health and performance of your vehicle.
P08BC
P08BC indicates a performance issue with the Engine Control Module (ECM).
P08BD
DTC P08BD indicates a communication failure between the PCM and TCM.
P08BE
P08BE indicates an issue with the fuel system related to the ECM.
P08BF
P08BF indicates a communication error between the PCM and other control modules.
P08C0
The P08C0 code signifies a problem with the engine's fuel delivery system,
P08C1
The P08C1 code indicates a throttle actuator control issue detected by the ECM.
P08C2
DTC P08C2 indicates a malfunction in the fuel pressure regulator,
P08C3
Indicates the Engine Control Module (ECM) is experiencing performance issues.
P08C4
P08C4 indicates a communication issue within the powertrain control module (P...
P08C5
The P08C5 code indicates a problem with the Electric Power Steering Control M...
P08C6
DTC P08C6 indicates a problem with the transmission fluid temperature sensor ...
P08C7
DTC P08C7 indicates a malfunction in the fuel pump control circuit.
P08C8
P08C8 indicates a problem with the throttle actuator control system.
P08C9
DTC P08C9 indicates an issue with the throttle actuator control range,
P08CA
P08CA indicates a fault in the electronic control module related to throttle ...
P08CB
P08CB indicates an issue with the Engine Control Module's performance.
P08CC
P08CC means there's a problem with the electronic power steering sensor.
P08CD
Indicates the module has detected an issue with the vehicle's throttle contro...
P08CE
P08CE indicates a throttle control issue within the PCM.
P08CF
P08CF indicates a performance issue with the Powertrain Control Module.
P08D0
The P08D0 code indicates a problem with the engine coolant temperature sensor...
P08D1
P08D1 indicates an issue with the electric power steering system,
P08D2
P08D2 indicates a fuel pressure issue detected by the engine control module.
P08D3
P08D3 indicates a malfunction related to the transmission pressure control sy...
P08D4
The P08D4 code indicates a fault in the hybrid power management system.
P08D5
DTC P08D5 indicates a performance issue with the Powertrain Control Module,
P08D6
DTC P08D6 signifies a communication error within the Powertrain Control Modul...
P08D7
P08D7 indicates a fault in the Powertrain Control Module related to performan...
P08D8
P08D8 indicates a fault in the Transmission Control Module, affecting vehicle...
P08D9
P08D9 indicates a performance issue with the Engine Control Module.
P08DA
Indicates an issue with the powertrain control module (PCM) in vehicles such ...
P08DB
P08DB indicates a fuel pump control circuit issue detected by the PCM.
P08DC
The P08DC code signifies an issue with the engine control module related to f...
P08DD
The P08DD code indicates a fuel pump control circuit issue, affecting engine ...
P08DE
P08DE indicates a fuel delivery issue related to the fuel pump control circuit.
P08DF
P08DF indicates a performance issue with the Engine Control Module (ECM).
P08E0
The P08E0 code signifies a malfunction in the transmission control module or ...
P08E1
P08E1 signals a malfunction in the motor control circuit, impacting engine pe...
P08E2
P08E2 refers to a performance issue in the powertrain control module.
P08E3
The P08E3 code indicates a malfunction in the fuel pump control circuit.
P08E4
DTC P08E4 indicates a communication issue with the ECM related to powertrain ...
P08E5
DTC P08E5 indicates a problem with the throttle actuator control,
P08E6
P08E6 indicates a problem with the power steering assist system.
P08E7
DTC P08E7 indicates a problem related to the variable valve timing system or ...
P08E8
P08E8 indicates a malfunction in the transmission control module (TCM) relate...
P08E9
P08E9 indicates a communication error between the PCM and TCM.
P08EA
P08EA indicates a malfunction in the vehicle's Engine Control Module.
P08EB
P08EB indicates a communication issue between the PCM and ECM,
P08EC
The P08EC code indicates a problem with the throttle control system in your v...
P08ED
The P08ED code indicates a throttle control issue, often related to sensor fa...
P08EE
P08EE indicates a fault with the Transmission Control Module, affecting trans...
P08EF
P08EF indicates a malfunction in the electronic throttle control system.
P08F0
The P08F0 code indicates a malfunction in the transmission control module,
P08F1
DTC P08F1 indicates a problem with the throttle body control system communica...
P08F2
DTC P08F2 indicates a malfunction in the electric power steering system,
P08F3
P08F3 indicates a transmission control issue, often linked to the ECM.
P08F4
The P08F4 code indicates a transmission control module problem,
P08F5
P08F5 indicates a throttle actuator control issue.
P08F6
DTC P08F6 signifies a problem with the Transmission Control Module in specifi...
P08F7
P08F7 indicates an issue with the electric power steering system related to t...
P08F8
Indicates a problem related to the vehicle's hybrid battery management system.
P08F9
DTC P08F9 indicates a malfunction in the engine cooling system,
P08FA
P08FA indicates a voltage issue in the hybrid battery management system.
P08FB
DTC P08FB signals a transmission control issue, particularly in Ford vehicles.
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