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 12001-12100 of 12293 total codes

P2EXX Engine Control System

P2EE0
P2EE0 indicates a problem with the hybrid battery management system.
P2EE1
DTC P2EE1 indicates a malfunction in the hybrid battery management system.
P2EE2
P2EE2 signifies a performance issue with the hybrid control module in Toyota ...
P2EE3
P2EE3 indicates a diesel particulate filter problem, specifically excessive s...
P2EE4
P2EE4 indicates a hybrid battery performance issue.
P2EE5
P2EE5 indicates a malfunction in the hybrid control system, affecting the veh...
P2EE6
P2EE6 indicates a fuel pressure sensor issue.
P2EE7
P2EE7 signifies a malfunction in the hybrid powertrain control module,
P2EE8
DTC P2EE8 signifies an issue with the hybrid battery management system relate...
P2EE9
DTC P2EE9 indicates an issue with the hybrid battery management system in you...
P2EEA
DTC P2EEA indicates a problem with the hybrid battery pack voltage sensor cir...
P2EEB
P2EEB indicates a hybrid vehicle battery performance issue.
P2EEC
DTC P2EEC indicates a malfunction in the emissions system, primarily linked t...
P2EED
DTC P2EED indicates a malfunction in the vehicle's electric powertrain contro...
P2EEE
P2EEE indicates an issue with the hybrid system's performance.
P2EEF
P2EEF indicates a problem with the fuel pump control module or fuel system pr...
P2EF0
DTC P2EF0 indicates a problem with the hybrid vehicle control module related ...
P2EF1
P2EF1 indicates a malfunction within the Powertrain Control Module.
P2EF2
The P2EF2 code indicates a malfunction in the hybrid battery energy control m...
P2EF3
P2EF3 indicates a malfunction in the hybrid battery management system,
P2EF4
P2EF4 indicates a malfunction in the hybrid powertrain's battery energy contr...
P2EF5
P2EF5 indicates a malfunction in the Powertrain Control Module's communicatio...
P2EF6
The P2EF6 diagnostic trouble code (DTC) is an indication that there is a faul...
P2EF7
DTC P2EF7 indicates a malfunction in the hybrid system's powertrain control m...
P2EF8
P2EF8 indicates a problem with the hybrid powertrain control module's voltage...
P2EF9
DTC P2EF9 indicates a malfunction in the hybrid battery management system.
P2EFA
P2EFA indicates a battery energy management issue in your vehicle,
P2EFB
P2EFB indicates a fault in the hybrid energy management system.
P2EFC
P2EFC indicates a fuel control module performance issue in certain Ford models.
P2EFD
P2EFD indicates a malfunction in the hybrid battery system, affecting perform...
P2EFE
DTC P2EFE indicates a malfunction in the Electric Power Steering system,
P2EFF
DTC P2EFF indicates a malfunction in the hybrid battery management system.

P2FXX Engine Control System

P2F00
P2F00 indicates that the hybrid battery's temperature is too high,
P2F01
P2F01 indicates a malfunction in the fuel pressure sensor circuit,
P2F02
P2F02 indicates a performance issue with the fuel pump control module.
P2F03
DTC P2F03 indicates a fuel system issue, often related to fuel pressure anoma...
P2F04
DTC P2F04 signals a performance issue with the fuel pump control module,
P2F05
P2F05 indicates an issue with the transmission fluid temperature sensor's per...
P2F06
Indicates the powertrain control module (PCM) has detected a malfunction in t...
P2F07
P2F07 indicates a fault in the transmission fluid temperature sensor circuit.
P2F08
The P2F08 code indicates a malfunction in the fuel pump control circuit.
P2F09
P2F09 indicates an issue with the hybrid battery management system.
P2F0A
P2F0A signifies a problem with the diesel particulate filter's efficiency.
P2F0B
P2F0B indicates a problem with the fuel pressure sensor circuit,
P2F0C
P2F0C refers to a malfunction in the diesel exhaust fluid or selective cataly...
P2F0D
P2F0D indicates a problem with the Diesel Particulate Filter's efficiency.
P2F0E
The P2F0E code indicates a malfunction in the hybrid system, often linked to ...
P2F0F
P2F0F indicates an issue with fuel pressure regulation in your vehicle's system.
P2F10
DTC P2F10 indicates a problem with the fuel volume regulator in your vehicle'...
P2F11
P2F11 indicates a fuel pressure regulator performance issue, affecting engine...
P2F12
P2F12 indicates a hybrid battery management issue.
P2F13
The P2F13 code indicates a malfunction in the transmission control module,
P2F14
P2F14 indicates a fuel pressure issue in your vehicle's system.
P2F15
P2F15 indicates a fault in the hybrid battery management system.
P2F16
The P2F16 code indicates a fuel system malfunction, commonly related to the a...
P2F17
P2F17 indicates a malfunction in the fuel pump control circuit.
P2F18
DTC P2F18 indicates a communication failure between the PCM and TCM,
P2F19
DTC P2F19 relates to a malfunction in the hybrid battery management system of...
P2F1A
P2F1A indicates a problem with the transmission control module or its circuitry.
P2F1B
P2F1B indicates a hybrid battery performance issue.
P2F1C
DTC P2F1C indicates a problem with fuel pressure regulation, affecting engine...
P2F1D
P2F1D indicates a malfunction in the hybrid electric motor control system.
P2F1E
P2F1E indicates a NOx sensor circuit issue affecting emissions control.
P2F1F
P2F1F indicates a hybrid battery system issue, often related to voltage anoma...
P2F20
P2F20 indicates a performance issue with the Powertrain Control Module (PCM).
P2F21
P2F21 indicates a fault in the hybrid battery management system,
P2F22
DTC P2F22 indicates a malfunction in the fuel delivery system.
P2F23
DTC P2F23 indicates a fault in the Powertrain Control Module's performance.
P2F24
DTC P2F24 indicates a fault within the hybrid battery system voltage.
P2F25
P2F25 indicates a fault with the hybrid battery temperature sensor in your ve...
P2F26
DTC P2F26 means there is a fuel pressure sensor issue affecting engine perfor...
P2F27
P2F27 indicates a problem with the fuel pressure sensor readings in your vehi...
P2F28
DTC P2F28 indicates a malfunction in the fuel pump relay or the fuel pump its...
P2F29
P2F29 indicates a hybrid control system issue related to battery management.
P2F2A
P2F2A indicates a fuel pump control module error, affecting fuel delivery.
P2F2B
DTC P2F2B indicates a malfunction in the engine's secondary air injection sys...
P2F2C
P2F2C indicates a malfunction in the hybrid powertrain control module related...
P2F2D
P2F2D indicates a hybrid battery pack fault in vehicles, particularly hybrids...
P2F2E
P2F2E indicates an issue with the powertrain control module related to engine...
P2F2F
DTC P2F2F relates to fuel delivery or air intake issues in your vehicle's eng...
P2F30
DTC P2F30 indicates a problem with the hybrid battery current sensor in vehic...
P2F31
P2F31 indicates a fault in the hybrid battery management system,
P2F32
The P2F32 code signals an issue with the fuel pressure sensor in the emission...
P2F33
P2F33 indicates a problem with the hybrid battery management system,
P2F34
P2F34 indicates a problem with the fuel tank pressure sensor circuit.
P2F35
The P2F35 code signifies a battery management issue related to the battery co...
P2F36
P2F36 indicates a communication issue with the transmission control module.
P2F37
P2F37 indicates a malfunction in the fuel pump control module or its circuit.
P2F38
P2F38 signifies a malfunction in the hybrid battery temperature sensor circui...
P2F39
DTC P2F39 indicates a fuel pressure regulator issue, affecting fuel delivery.
P2F3A
DTC P2F3A indicates a communication fault in the vehicle's control module.
P2F3B
DTC P2F3B indicates a potential issue with the fuel pump control module,
P2F3C
P2F3C indicates a malfunction in the hybrid control system, often related to ...
P2F3D
P2F3D indicates a fuel pressure sensor problem.
P2F3E
P2F3E indicates a fuel pressure regulator issue detected by the ECM.
P2F3F
DTC P2F3F indicates an issue with the powertrain control module related to fu...
P2F40
P2F40 indicates a malfunction in the fuel control system, impacting the air-f...
P2F41
DTC P2F41 indicates an issue with the fuel pressure sensor, affecting fuel de...
P2F42
DTC P2F42 indicates a fault with the hybrid battery temperature sensor,
P2F43
P2F43 indicates a fuel pressure issue in your vehicle, often related to the f...
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