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 8801-8900 of 12293 total codes

P22XX Engine Control System

P2260
The P2260 code indicates a problem with the turbocharger boost sensor,
P2261
DTC P2261 indicates a performance issue with the turbocharger or supercharger...
P2262
Indicates the engine control module (ECM) has detected a problem with the tur...
P2263
P2263 indicates a problem with the turbocharger/supercharger boost sensor ran...
P2264
P2264 indicates turbocharger boost pressure is not detected by the engine con...
P2265
The P2265 code signifies an issue with the turbocharger/supercharger boost se...
P2266
P2266 indicates a problem with the boost pressure sensor in turbocharged or s...
P2267
P2267 indicates a performance issue with the turbocharger boost sensor.
P2268
DTC P2268 signals a problem with the turbocharger boost sensor performance.
P2269
P2269 indicates a problem with the turbocharger boost pressure system.
P226A
The P226A code indicates a turbocharger boost pressure sensor issue,
P226B
P226B indicates a problem with the turbocharger or supercharger boost sensor ...
P226C
P226C relates to an issue with the turbocharger boost pressure sensor,
P226D
P226D signifies a turbocharger or supercharger boost pressure sensor problem,...
P226E
P226E indicates a problem with the turbocharger boost sensor circuit.
P226F
P226F indicates a problem with turbocharger boost pressure; it affects perfor...
P2270
P2270 indicates an air intake leak detected by the engine control module,
P2271
P2271 means the oxygen sensor is reporting a rich fuel condition.
P2272
P2272 indicates an intake air leak detected by the ECM.
P2273
DTC P2273 means the oxygen sensor signal is reading too rich, indicating pote...
P2274
P2274 indicates the oxygen sensor is stuck detecting a lean condition.
P2275
Indicates the engine control module (ECM) has detected a high signal from the...
P2276
P2276 indicates an intake air system leakage, affecting engine performance.
P2277
P2277 means the O2 sensor signal is indicating a rich condition in the exhaust.
P2278
DTC P2278 indicates an issue with the intake air sensor, leading to potential...
P2279
Indicates the engine control module (ECM) has detected a lean condition in th...
P227A
P227A indicates a problem with the intake air system, often related to sensor...
P227B
P227B indicates an imbalance in the air intake system.
P227C
P227C indicates an issue with the intake air control system, typically signal...
P227D
DTC P227D indicates a problem with the oxygen sensor reporting too much fuel ...
P227E
P227E indicates a malfunction in the intake air system, often due to leaks or...
P227F
DTC P227F indicates a problem with the air intake system, usually due to an a...
P2280
P2280 indicates a fuel pressure regulator control circuit issue.
P2281
P2281 indicates a fuel pressure sensor issue that affects engine performance.
P2282
P2282 indicates a malfunction in the fuel pressure regulator control circuit.
P2283
P2283 indicates a fuel pressure regulator control circuit issue.
P2284
DTC P2284 means there’s a fuel pressure regulator issue, affecting fuel flow ...
P2285
P2285 indicates a malfunction with the high-pressure fuel sensor.
P2286
DTC P2286 indicates a problem with the fuel pressure regulator performance si...
P2287
P2287 indicates a fuel pressure regulator performance issue, affecting fuel f...
P2288
P2288 indicates a fuel pressure regulator performance issue detected by the PCM.
P2289
P2289 indicates a high voltage issue in the fuel pressure regulator control c...
P228A
P228A indicates a fuel pressure regulator performance issue, often due to fau...
P228B
P228B indicates a problem with the intake air temperature sensor signal.
P228C
P228C indicates a fuel pressure regulator performance issue.
P228D
P228D indicates a fuel pressure regulator range performance issue.
P228E
P228E indicates a problem with the fuel pressure regulator performance,
P228F
P228F indicates a fuel pressure regulator performance issue.
P2290
The P2290 code indicates an issue with the fuel pressure regulator's performa...
P2291
DTC P2291 indicates a fuel pressure issue, often linked to the fuel delivery ...
P2292
P2292 indicates a fuel pressure regulator performance issue, affecting engine...
P2293
P2293 indicates a problem with the fuel pressure regulator control circuit.
P2294
P2294 indicates an issue with the fuel pressure regulator in certain vehicles...
P2295
P2295 signals a fuel pressure regulator performance issue.
P2296
P2296 indicates a low fuel pressure condition detected by the ECM.
P2297
P2297 indicates a fuel pressure regulator issue affecting engine performance.
P2298
P2298 indicates a fuel pressure issue in your vehicle's fuel system.
P2299
P2299 indicates a fuel pressure regulator performance problem,
P229A
The P229A code indicates a fuel pressure regulator performance issue in your ...
P229B
P229B indicates an issue with the fuel pressure regulator, affecting engine p...
P229C
The P229C code signals an issue with the diesel exhaust fluid pressure sensor...
P229D
The P229D code signifies a problem with the fuel pressure regulator's perform...
P229E
Indicates a problem with the fuel pressure regulator performance.
P229F
The P229F code indicates a fuel pressure regulator performance issue,
P22A0
P22A0 indicates a performance issue related to the Powertrain Control Module.
P22A1
DTC P22A1 indicates a problem with the electric parking brake system.
P22A2
DTC P22A2 indicates an issue with the fuel pressure sensor's readings in the ...
P22A3
P22A3 indicates a malfunction in the hybrid battery management system,
P22A4
P22A4 indicates a problem with the fuel pressure sensor circuit.
P22A5
P22A5 indicates a malfunction in the hybrid vehicle's power management system.
P22A6
P22A6 indicates a performance issue with the electric motor control system in...
P22A7
P22A7 indicates a hybrid battery performance issue, typically in vehicles lik...
P22A8
DTC P22A8 signals a problem with the hybrid battery voltage sensor performance.
P22A9
P22A9 indicates a high resistance issue in the hybrid battery system.
P22AA
P22AA indicates a problem with the diesel particulate filter regeneration pro...
P22AB
P22AB signifies an issue with the Fuel Pump Control Module, affecting fuel de...
P22AC
Indicates dvisable to diagnose and rectify the issue immediately to ensure yo...
P22AD
Indicates not only a subpar driving experience but also increased fuel consum...
P22AE
P22AE indicates a fuel pressure regulator performance issue.
P22AF
P22AF indicates a fault with the oil pressure control valve in your vehicle.
P22B0
Indicates a problem with the vehicle's hybrid powertrain control module (HPCM).
P22B1
P22B1 indicates a malfunction in the Powertrain Control Module affecting engi...
P22B2
DTC P22B2 indicates an issue with the transmission fluid temperature sensor c...
P22B3
The P22B3 code signifies a malfunction in the Powertrain Control Module (PCM)...
P22B4
P22B4 indicates a problem with the Diesel Particulate Filter regeneration pro...
P22B5
DTC P22B5 indicates a malfunction in the Electric Power Steering Control Module.
P22B6
DTC P22B6 indicates a malfunction in the hybrid battery cooling system.
P22B7
P22B7 indicates a problem with the fuel pump control module's performance in ...
P22B8
P22B8 indicates an issue with the diesel particulate filter regeneration proc...
P22B9
P22B9 indicates a performance issue with the engine cooling system.
P22BA
The P22BA code indicates an issue with the fuel pressure sensor in your vehic...
P22BB
DTC P22BB signals a potential fuel pressure sensor issue or fuel system perfo...
P22BC
P22BC indicates a malfunction in the Fuel Pump Control Module.
P22BD
P22BD indicates a malfunction in the transmission control module communication.
P22BE
P22BE indicates a problem with the fuel composition sensor circuit.
P22BF
P22BF signifies a fault in the fuel pump control module circuit.
P22C0
P22C0 indicates a malfunction in the hybrid powertrain control module in hybr...
P22C1
P22C1 indicates a problem with the diesel particulate filter in your vehicle'...
P22C2
P22C2 indicates a fuel pump control circuit issue, affecting fuel delivery to...
P22C3
DTC P22C3 indicates a malfunction in the fuel pressure regulation system.
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