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 10101-10200 of 12293 total codes

P27XX Engine Control System

P2774
P2774 indicates an issue with the Transmission Control Module related to flui...
P2775
P2775 indicates a malfunction with the transmission range sensor 'A'.
P2776
The P2776 code signifies a problem with the transmission fluid pressure senso...
P2777
P2777 indicates a malfunction in the transmission fluid pressure sensor,
P2778
DTC P2778 indicates a problem with the transmission fluid pressure sensor in ...
P2779
P2779 indicates a malfunction with the transmission fluid temperature sensor ...
P277A
P277A indicates a performance issue with the transmission range sensor,
P277B
DTC P277B indicates a problem with the transmission fluid pressure sensor or ...
P277C
P277C indicates a transmission control issue related to the range sensor.
P277D
P277D indicates a malfunction in the transmission control module affecting th...
P277E
The P277E code indicates a shift control system performance issue in the vehi...
P277F
P277F indicates a problem with the transmission fluid temperature sensor,
P2780
P2780 indicates a problem with the transmission range sensor, affecting gear ...
P2781
The P2781 code indicates a transmission fluid pressure sensor issue,
P2782
P2782 indicates a transmission fluid pressure sensor issue.
P2783
P2783 indicates a transmission fluid pressure sensor issue, affecting the veh...
P2784
P2784 indicates a problem with the transmission fluid pressure sensor,
P2785
The P2785 code indicates a fault in the transmission fluid temperature sensor...
P2786
P2786 indicates a transmission fluid pressure sensor issue, affecting shiftin...
P2787
DTC P2787 indicates a problem with the transmission fluid pressure sensor's p...
P2788
P2788 indicates a transmission fluid temperature sensor performance issue.
P2789
P2789 indicates a transmission fluid pressure sensor circuit problem.
P278A
DTC P278A indicates an issue with the transmission fluid temperature sensor,
P278B
P278B indicates a problem with the transmission fluid temperature sensor,
P278C
P278C indicates a malfunction in the Transmission Fluid Temperature Sensor,
P278D
P278D indicates a problem with the transmission pressure control solenoid.
P278E
P278E indicates a problem with the Transmission Fluid Temperature sensor circ...
P278F
The P278F code indicates a problem with the transmission fluid temperature se...
P2790
DTC P2790 indicates a problem with the transmission fluid pressure sensor,
P2791
DTC P2791 indicates a transmission control system performance issue linked to...
P2792
P2792 indicates a malfunction in the pressure control solenoid A of the trans...
P2793
P2793 signifies a malfunction in the transmission pressure control solenoid 'A'.
P2794
P2794 indicates a malfunction in the Transmission Control Module related to f...
P2795
P2795 indicates a fault in the transmission fluid temperature sensor,
P2796
P2796 indicates a transmission fluid pressure sensor issue, affecting shiftin...
P2797
P2797 indicates a problem with the transmission range sensor performance,
P2798
Indicates your car's computer is sensing that something isn't right with how ...
P2799
DTC P2799 indicates a malfunction in the Transmission Control Module related ...
P279A
The P279A code indicates a malfunction in the transmission input sensor circu...
P279B
The P279B code indicates a transmission control issue, particularly with the ...
P279C
Indicates nd repair are essential to ensure the longevity and safe operation ...
P279D
P279D indicates a performance issue with the transmission fluid pressure sensor.
P279E
P279E indicates a transmission fluid pressure sensor issue.
P279F
P279F indicates a problem with the transmission fluid temperature sensor circ...
P27A0
P27A0 indicates a performance issue with the transmission control module.
P27A1
The P27A1 code indicates a malfunction with the transmission fluid temperatur...
P27A2
P27A2 refers to an issue with the transmission fluid temperature sensor in yo...
P27A3
P27A3 indicates a problem with the fuel temperature sensor circuit.
P27A4
P27A4 indicates a malfunction in the transmission fluid temperature sensor.
P27A5
P27A5 indicates a transmission temperature sensor circuit issue.
P27A6
The P27A6 code indicates a malfunction in the transmission fluid temperature ...
P27A7
P27A7 indicates a transmission fluid temperature sensor issue in the TCM.
P27A8
P27A8 indicates a malfunction in the transmission fluid temperature sensor.
P27A9
P27A9 indicates a transmission control issue detected by the TCM.
P27AA
P27AA indicates a transmission control module communication error.
P27AB
P27AB indicates a malfunction related to the transmission fluid temperature s...
P27AC
DTC P27AC signals a problem with the transmission control module's performanc...
P27AD
P27AD indicates a fuel pump control module performance issue.
P27AE
P27AE indicates a performance issue with the Transmission Control Module (TCM...
P27AF
DTC P27AF indicates an auxiliary input signal issue related to fuel delivery.
P27B0
The P27B0 code indicates a performance issue with the Transmission Control Mo...
P27B1
P27B1 signifies a performance issue with your vehicle's Transmission Control ...
P27B2
P27B2 indicates a problem with the fuel pump control module's performance.
P27B3
P27B3 indicates a communication error between the TCM and ECM,
P27B4
DTC P27B4 refers to a performance issue with the powertrain control module (P...
P27B5
P27B5 indicates a problem with the transmission fluid temperature sensor circ...
P27B6
P27B6 indicates a malfunction in the transmission fluid temperature sensor.
P27B7
The P27B7 code relates to a fault with the turbocharger boost control positio...
P27B8
P27B8 indicates a performance issue with the transmission control module.
P27B9
Indicates a performance issue with the Transmission Control Module (TCM) on y...
P27BA
P27BA indicates a malfunction with the Transmission Fluid Temperature Sensor ...
P27BB
P27BB indicates a potential issue with the transmission control module or rel...
P27BC
The P27BC code indicates a problem with the engine's fuel delivery system,
P27BD
The P27BD code indicates a turbocharger boost control position sensor issue.
P27BE
P27BE indicates a transmission control module performance issue,
P27BF
The P27BF diagnostic trouble code (DTC) is associated with a performance issu...
P27C0
P27C0 indicates a problem with the Transmission Control Module's communication.
P27C1
P27C1 indicates a fuel level sensor circuit performance issue,
P27C2
P27C2 indicates a problem with the Transmission Control Module (TCM) related ...
P27C3
DTC P27C3 signifies a malfunction in the turbocharger boost control system,
P27C4
The P27C4 code indicates a problem with the transmission fluid temperature se...
P27C5
The P27C5 code indicates a problem with the transmission fluid temperature se...
P27C6
P27C6 indicates a transmission control module issue, affecting gear shifting.
P27C7
P27C7 indicates a problem with the Transmission Control Module related to gea...
P27C8
P27C8 indicates an issue with the transmission fluid temperature sensor circuit.
P27C9
DTC P27C9 indicates a performance issue with the Transmission Control Module,...
P27CA
P27CA indicates an internal error in the powertrain control module related to...
P27CB
P27CB indicates a fault in the Transmission Control Module or circuit.
P27CC
The P27CC code indicates a malfunction in the turbocharger or supercharger co...
P27CD
P27CD indicates a transmission fluid temperature sensor issue.
P27CE
P27CE indicates a problem with the Transmission Control Module,
P27CF
The P27CF code refers to a fault in the transmission fluid temperature sensor...
P27D0
P27D0 indicates a problem with the turbocharger boost pressure sensor circuit...
P27D1
The P27D1 code indicates a problem with the transmission fluid temperature se...
P27D2
P27D2 indicates a malfunction in the transmission control module's communicat...
P27D3
P27D3 indicates an issue with the transmission fluid temperature sensor circuit.
P27D4
P27D4 refers to a problem with the transmission fluid temperature sensor or c...
P27D5
The P27D5 code indicates a performance issue with the Transmission Control Mo...
P27D6
The P27D6 code signifies a performance issue with the Transmission Control Mo...
P27D7
DTC P27D7 indicates a malfunction in the transmission control module related ...
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