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 6301-6400 of 12293 total codes

P18XX Engine Control System

P189C
P189C refers to a transmission fluid pressure sensor problem, affecting shift...
P189D
P189D indicates a problem with the transmission fluid pressure sensor or switch.
P189E
P189E indicates a problem with the transmission fluid temperature sensor,
P189F
P189F indicates a malfunction in the transmission control module (TCM).
P18A0
P18A0 indicates a problem with the Hybrid Battery Pack Temperature Sensor in ...
P18A1
P18A1 indicates a malfunction in the Electric Parking Brake Control Module.
P18A2
The P18A2 code indicates an issue with the hybrid battery management system's...
P18A3
P18A3 indicates a transmission fluid pressure issue, often related to the TFP...
P18A4
P18A4 indicates a Transmission Fluid Temperature Sensor Range/Performance Issue.
P18A5
P18A5 indicates a problem with the transmission fluid temperature sensor circ...
P18A6
The P18A6 code indicates a voltage sensor malfunction in the power inverter m...
P18A7
P18A7 indicates a problem with the transmission fluid temperature sensor circ...
P18A8
P18A8 signals a problem with the hybrid battery voltage sensor circuit,
P18A9
P18A9 relates to a malfunction in the Transmission Fluid Temperature Sensor C...
P18AA
The P18AA code indicates a malfunction related to the transmission input/outp...
P18AB
P18AB indicates a hybrid battery pack performance issue in vehicles like the ...
P18AC
The DTC P18AC code is specific to issues related to the power control module,...
P18AD
DTC P18AD indicates a fault in the hybrid powertrain control module.
P18AE
P18AE indicates a hybrid powertrain performance issue.
P18AF
The P18AF code indicates a problem with the fuel pump control circuit,
P18B0
P18B0 refers to a Transmission Fluid Temperature Sensor issue in vehicles.
P18B1
The P18B1 code indicates an issue with the Transmission Fluid Temperature Sen...
P18B2
The DTC P18B2 code is a diagnostic trouble code that indicates a potential is...
P18B3
P18B3 indicates a problem with the transmission fluid temperature sensor circ...
P18B4
P18B4 indicates a transmission fluid temperature sensor circuit issue.
P18B5
The P18B5 code refers to an issue with the transmission fluid temperature sen...
P18B6
DTC P18B6 indicates a performance issue with the Transmission Control Module.
P18B7
P18B7 indicates a problem with the transmission fluid temperature sensor perf...
P18B8
P18B8 indicates a performance issue with the transmission fluid pressure sensor.
P18B9
P18B9 indicates a torque converter clutch performance issue detected by the t...
P18BA
P18BA indicates a malfunction in the transmission fluid temperature sensor ci...
P18BB
The P18BB code indicates a problem with the torque converter clutch control s...
P18BC
The P18BC code indicates a problem with the power steering torque sensor signal.
P18BD
P18BD indicates a malfunction in the electric motor control system related to...
P18BE
P18BE indicates a transmission fluid temperature sensor issue.
P18BF
P18BF indicates a problem with the transmission fluid temperature sensor's pe...
P18C0
P18C0 indicates a Transmission Fluid Temperature Sensor Circuit issue,
P18C1
DTC P18C1 refers to a problem with the transmission fluid pressure sensor cir...
P18C2
The P18C2 code indicates a malfunction in the transmission control module,
P18C3
DTC P18C3 indicates a fault with the transmission control module,
P18C4
P18C4 indicates a performance issue with the Transmission Control Module.
P18C5
P18C5 indicates a malfunction in the hybrid powertrain control module,
P18C6
The P18C6 code indicates a malfunction with the transmission fluid temperatur...
P18C7
P18C7 indicates a performance issue within the Powertrain Control Module,
P18C8
DTC P18C8 indicates a problem with the transmission fluid pressure sensor cir...
P18C9
DTC P18C9 indicates a fault in the hybrid battery management system.
P18CA
P18CA indicates a fault in the battery current sensor circuit,
P18CB
P18CB indicates a fault in the electric power steering assist system,
P18CC
DTC P18CC indicates a fault in the Powertrain Control Module related to throt...
P18CD
DTC P18CD indicates a performance issue with the transmission fluid temperatu...
P18CE
P18CE indicates a problem with the power steering control module,
P18CF
DTC P18CF indicates a problem with the transmission fluid temperature sensor ...
P18D0
The P18D0 code indicates a problem with the transmission fluid temperature se...
P18D1
The P18D1 diagnostic trouble code indicates a problem with the vehicle's tran...
P18D2
P18D2 indicates a problem with the transmission fluid temperature sensor.
P18D3
P18D3 indicates a fault in the transmission fluid temperature sensor circuit.
P18D4
P18D4 refers to a problem with the transmission fluid pressure sensor's perfo...
P18D5
P18D5 indicates a transmission fluid temperature sensor issue,
P18D6
P18D6 indicates a fault in the transmission fluid temperature sensor circuit.
P18D7
P18D7 indicates a problem with the transmission fluid temperature sensor's ra...
P18D8
P18D8 indicates a fault with the transmission fluid temperature sensor in cer...
P18D9
P18D9 indicates a fault in the transmission control module or its communication.
P18DA
P18DA indicates a performance issue with the Transmission Control Module (TCM...
P18DB
P18DB indicates a problem with the electric power steering system.
P18DC
P18DC indicates a communication issue between the Engine Control Module and t...
P18DD
DTC P18DD pertains to issues with the Powertrain Control Module regarding fue...
P18DE
The P18DE code indicates a malfunction in the transmission fluid temperature ...
P18DF
P18DF signifies a transmission fluid temperature sensor issue.
P18E0
P18E0 signifies a malfunction in the Hybrid Power Management Control Module,
P18E1
DTC P18E1 signifies a problem with the transmission fluid temperature sensor ...
P18E2
The P18E2 code is a diagnostic trouble code that signifies an issue with the ...
P18E3
P18E3 indicates a problem with the transmission range sensor in vehicles like...
P18E4
P18E4 indicates a Transmission Control Module error, affecting vehicle perfor...
P18E5
P18E5 indicates a problem with the hybrid battery temperature sensor in vehic...
P18E6
P18E6 signifies a powertrain control module communication error.
P18E7
P18E7 indicates an issue with the powertrain control module's communication.
P18E8
P18E8 indicates a problem with the hybrid battery management system.
P18E9
DTC P18E9 indicates a problem with the transmission fluid temperature sensor ...
P18EA
DTC P18EA indicates a problem with the transmission fluid temperature sensor ...
P18EB
P18EB indicates a performance issue with the Transmission Control Module (TCM...
P18EC
The P18EC code signals a problem with the transmission control module's perfo...
P18ED
P18ED indicates a problem with the Transmission Control Module (TCM),
P18EE
P18EE indicates a problem with the power steering pressure sensor circuit.
P18EF
P18EF indicates a malfunction with the Powertrain Control Module communication.
P18F0
P18F0 indicates a malfunction in the electric parking brake system.
P18F1
P18F1 indicates a fault in the hybrid battery system's voltage monitoring.
P18F2
DTC P18F2 indicates a problem with the Transmission Control Module (TCM) comm...
P18F3
P18F3 signifies a malfunction in the Transmission Fluid Pressure Sensor/Switc...
P18F4
P18F4 signifies a fault in the Transmission Control Module, affecting vehicle...
P18F5
The P18F5 code indicates a cooling system performance issue, often related to...
P18F6
DTC P18F6 indicates a problem with the transmission fluid temperature sensor ...
P18F7
DTC P18F7 is a specific diagnostic trouble code that indicates a problem with...
P18F8
The P18F8 code indicates a malfunction in the torque converter clutch solenoi...
P18F9
DTC P18F9 indicates an issue with the transmission fluid temperature sensor c...
P18FA
The P18FA code indicates a malfunction in the electric power steering assist ...
P18FB
P18FB indicates a fault in the hybrid battery control system.
P18FC
Indicates a malfunction in the hybrid battery cooling system, specifically re...
P18FD
P18FD indicates a problem with the transmission fluid pressure sensor,
P18FE
The P18FE code indicates an issue with the transmission range sensor circuit,...
P18FF
The P18FF code signifies a transmission control module fault, affecting vehic...
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