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 9601-9700 of 12293 total codes

P25XX Engine Control System

P2580
P2580 indicates a problem with the Fuel Pump Control Module circuit.
P2581
P2581 indicates a communication issue between the vehicle control module and ...
P2582
P2582 indicates a fuel pump control circuit malfunction, affecting fuel deliv...
P2583
DTC P2583 indicates a problem with the fuel pump control module or its circuit.
P2584
P2584 indicates a fault in the fuel pump control circuit, affecting fuel deli...
P2585
P2585 indicates a malfunction in the fuel pump control circuit,
P2586
The P2586 code signifies a fuel level sensor circuit issue, affecting fuel ga...
P2587
DTC P2587 indicates a fuel pump control circuit issue, usually affecting fuel...
P2588
DTC P2588 indicates an issue with the fuel pump control circuit,
P2589
P2589 is a trouble code indicating a problem with the fuel pump control modul...
P258A
P258A means there is a malfunction in the diesel fuel pump control module.
P258B
The P258B code indicates an issue with the Electric Power Steering (EPS) syst...
P258C
DTC P258C refers to a hybrid battery voltage sensor issue, often seen in mode...
P258D
P258D indicates a fuel pump control module performance issue.
P258E
P258E signifies a malfunction in the fuel pump control circuit monitored by t...
P258F
P258F indicates a fault in the fuel injector control module circuit.
P2590
DTC P2590 signals an issue with the turbocharger boost control position senso...
P2591
DTC P2591 signifies a performance issue with the turbocharger boost pressure ...
P2592
DTC P2592 indicates a problem with the turbocharger boost control position se...
P2593
DTC P2593 means there is an issue with the turbocharger boost pressure sensor...
P2594
DTC P2594 relates to a malfunction in the turbocharger boost control position...
P2595
P2595 indicates a problem with the turbocharger boost control position sensor...
P2596
P2596 indicates an issue with the turbocharger boost control position sensor'...
P2597
DTC P2597 indicates a turbocharger boost control issue, often related to the ...
P2598
The P2598 code signifies a problem with the Turbocharger Boost Control Positi...
P2599
P2599 indicates a turbocharger boost control position sensor issue,
P259A
P259A indicates a performance issue with the turbocharger boost pressure sensor.
P259B
P259B refers to a turbocharger boost pressure sensor circuit problem.
P259C
DTC P259C indicates a problem with the turbocharger boost control sensor circ...
P259D
P259D indicates a turbocharger boost control position sensor issue,
P259E
The P259E code signifies an issue with the turbocharger boost control perform...
P259F
The P259F code indicates a problem with the turbocharger boost pressure senso...
P25A0
P25A0 indicates a problem with the fuel pump control circuit, affecting fuel ...
P25A1
P25A1 signifies a malfunction related to the Powertrain Control Module,
P25A2
Indicates a malfunction in the Powertrain Control Module (PCM) related to the...
P25A3
P25A3 indicates a performance issue with the fuel pump control module.
P25A4
DTC P25A4 indicates a malfunction in the fuel pump control module,
P25A5
DTC P25A5 indicates a problem with the Transmission Control Module in certain...
P25A6
DTC P25A6 indicates a fault in the hybrid battery management system,
P25A7
P25A7 indicates a fuel pump control module performance issue, affecting fuel ...
P25A8
DTC P25A8 indicates a failure in the Electric Power Steering system,
P25A9
P25A9 indicates a performance issue with the turbocharger control system,
P25AA
The P25AA code indicates a fuel system performance issue, often related to fu...
P25AB
P25AB indicates a problem with the high-pressure fuel pump control circuit,
P25AC
The P25AC code indicates a problem with the fuel pressure regulator control c...
P25AD
P25AD signifies a fault in the battery energy control module of certain Ford ...
P25AE
P25AE refers to a fault in the fuel pump control circuit detected by the PCM.
P25AF
DTC P25AF indicates a malfunction in the fuel pump control circuit.
P25B0
P25B0 refers to a hybrid system control issue, particularly in vehicles like ...
P25B1
P25B1 signifies a fuel system malfunction affecting fuel delivery.
P25B2
P25B2 indicates a fault in the Transmission Control Module, affecting gear sh...
P25B3
DTC P25B3 indicates a problem with the power steering control module,
P25B4
The P25B4 code indicates a fault in the hybrid battery pack of your vehicle.
P25B5
Indicates an issue with the vehicle's hybrid battery management system.
P25B6
P25B6 indicates a malfunction in the Power Steering Control Module,
P25B7
DTC P25B7 indicates an issue with the hybrid battery cooling fan operation.
P25B8
DTC P25B8 signifies a hybrid battery management issue in vehicles,
P25B9
P25B9 indicates a fault in the transmission fluid temperature sensor circuit ...
P25BA
The P25BA code indicates a problem with the power steering control module,
P25BB
DTC P25BB indicates a problem with the electric power steering control module.
P25BC
DTC P25BC indicates a fault in the fuel pump control circuit.
P25BD
The P25BD code indicates a fault in the hybrid powertrain control module,
P25BE
P25BE indicates a problem with Diesel Exhaust Fluid quality, affecting emissi...
P25BF
P25BF indicates a problem with the fuel delivery system, often related to fue...
P25C0
P25C0 indicates a turbocharger or supercharger boost control actuator issue,
P25C1
P25C1 indicates a communication issue with the Powertrain Control Module.
P25C2
P25C2 indicates a communication malfunction between the ECM and other vehicle...
P25C3
P25C3 indicates a problem with the quality of Diesel Exhaust Fluid in your ve...
P25C4
DTC P25C4 indicates a malfunction in the electronic power steering assist sys...
P25C5
The P25C5 code relates to a hybrid battery management issue, indicating abnor...
P25C6
DTC P25C6 indicates a performance issue detected by the engine control module.
P25C7
The P25C7 code indicates a problem with the turbocharger boost control positi...
P25C8
P25C8 indicates a performance issue with the Powertrain Control Module due to...
P25C9
DTC P25C9 indicates a malfunction in the turbocharger boost control system,
P25CA
P25CA indicates a malfunction in the Engine Control Unit related to fuel mana...
P25CB
The P25CB code indicates a malfunction in the fuel pump control module's comm...
P25CC
P25CC indicates a fault in the throttle actuator control system.
P25CD
P25CD indicates a problem with the fuel injection system's performance.
P25CE
DTC P25CE signifies a fuel pump control circuit performance issue.
P25CF
The P25CF code indicates a problem with the fuel pressure regulation in your ...
P25D0
Indicates the hybrid powertrain control module (PCM) has detected a fault rel...
P25D1
P25D1 indicates a malfunction in the fuel injector control circuit.
P25D2
The P25D2 code indicates a problem with the fuel system, specifically related...
P25D3
P25D3 indicates a problem with the fuel pump control module in certain Chevro...
P25D4
P25D4 indicates a fuel trim system malfunction, affecting engine performance ...
P25D5
The P25D5 code indicates a problem with the hybrid control system,
P25D6
P25D6 indicates a malfunction in the Electric Power Steering system.
P25D7
P25D7 means there's a problem with the fuel pump control circuit,
P25D8
DTC P25D8 indicates an issue with the electric parking brake module,
P25D9
The diagnostic trouble code (DTC) P25D9 indicates a performance issue with th...
P25DA
P25DA indicates a fuel pump module performance issue, primarily in Ford and L...
P25DB
DTC P25DB indicates a communication issue between the engine and transmission...
P25DC
P25DC indicates a malfunction in the electric parking brake control module.
P25DD
The P25DD code indicates a malfunction in the Powertrain Control Module,
P25DE
Indicates a problem with the vehicle's continuously variable transmission (CV...
P25DF
The P25DF code indicates a problem with the fuel pump control module.
P25E0
P25E0 indicates a problem with the hybrid battery cooling system,
P25E1
The P25E1 code indicates a problem with the fuel pump control module or its c...
P25E2
The P25E2 code indicates a fault in the hybrid control system,
P25E3
The P25E3 code indicates a problem with the hybrid system in vehicles like th...
Page 97 of 123