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DTC Code Glossary

Look up any of the 8,033 OBD-II diagnostic trouble codes in our database — what it means, and how we can permanently remove it from your ECU.

All P B C U
P0259
Injection Pump Fuel Metering Control B High (Cam/Rotor/Injector)
P025A
Fuel Pump Module A Control Circuit/Open
P025B
Fuel Pump Module A Control Circuit Range/Performance
P025C
Fuel Pump Module A Control Circuit Low
P025D
Fuel Pump Module A Control Circuit High
P025E
Turbocharger/Supercharger Boost Sensor A Intermittent/Erratic
P025F
Turbocharger/Supercharger Boost Sensor B Intermittent/Erratic
P0260
Injection Pump Fuel Metering Control B Intermittent (Cam/Rotor/Injector)
P0261
Cylinder 1 Injector A Circuit Low
P0262
Cylinder 1 Injector A Circuit High
P0263
Cylinder 1 Contribution/Balance
P0264
Cylinder 2 Injector A Circuit Low
P0265
Cylinder 2 Injector A Circuit High
P0266
Cylinder 2 Contribution/Balance
P0267
Cylinder 3 Injector A Circuit Low
P0268
Cylinder 3 Injector A Circuit High
P0269
Cylinder 3 Contribution/Balance
P026A
Charge Air Cooler Efficiency Below Threshold
P026B
Injection Timing Performance
P026C
Fuel Injection Quantity A Lower Than Expected
P026D
Fuel Injection Quantity A Higher Than Expected
P026E
Charge Air Cooler Coolant Pump A Performance
P026F
Coolant Thermostat Performance
P0270
Cylinder 4 Injector A Circuit Low
P0271
Cylinder 4 Injector A Circuit High
P0272
Cylinder 4 Contribution/Balance
P0273
Cylinder 5 Injector A Circuit Low
P0274
Cylinder 5 Injector A Circuit High
P0275
Cylinder 5 Contribution/Balance
P0276
Cylinder 6 Injector A Circuit Low
P0277
Cylinder 6 Injector A Circuit High
P0278
Cylinder 6 Contribution/Balance
P0279
Cylinder 7 Injector A Circuit Low
P027A
Fuel Pump Module B Control Circuit/Open
P027B
Fuel Pump Module B Control Circuit Range/Performance
P027C
Fuel Pump Module B Control Circuit Low
P027D
Fuel Pump Module B Control Circuit High
P027E
Cold Start Fuel Injection Quantity A Lower Than Expected
P027F
Cold Start Fuel Injection Quantity A Higher Than Expected
P0280
Cylinder 7 Injector A Circuit High
P0281
Cylinder 7 Contribution/Balance
P0282
Cylinder 8 Injector A Circuit Low
P0283
Cylinder 8 Injector A Circuit High
P0284
Cylinder 8 Contribution/Balance
P0285
Cylinder 9 Injector A Circuit Low
P0286
Cylinder 9 Injector A Circuit High
P0287
Cylinder 9 Contribution/Balance
P0288
Cylinder 10 Injector A Circuit Low
P0289
Cylinder 10 Injector A Circuit High
P028A
Charge Air Cooler Cooling Fan Control Circuit/Open
P028B
Charge Air Cooler Cooling Fan Performance/Stuck Off
P028C
Charge Air Cooler Cooling Fan Stuck On
P028D
Charge Air Cooler Cooling Fan Control Circuit Low
P028E
Charge Air Cooler Cooling Fan Control Circuit High
P028F
Charge Air Cooler Cooling Fan Control Circuit Driver Performance
P0290
Cylinder 10 Contribution/Balance
P0291
Cylinder 11 Injector A Circuit Low
P0292
Cylinder 11 Injector A Circuit High
P0293
Cylinder 11 Contribution/Balance
P0294
Cylinder 12 Injector A Circuit Low
P0295
Cylinder 12 Injector A Circuit High
P0296
Cylinder 12 Contribution/Balance
P0297
Vehicle Overspeed Condition
P0298
Engine Oil Over Temperature
P0299
Turbocharger/Supercharger A Underboost Condition
P029A
Cylinder 1 - Fuel Trim at Max Limit
P029B
Cylinder 1 - Fuel Trim at Min Limit
P029C
Cylinder 1 - Injector Restricted
P029D
Cylinder 1 - Injector Leaking
P029E
Cylinder 2 - Fuel Trim at Max Limit
P029F
Cylinder 2 - Fuel Trim at Min Limit
P02A0
Cylinder 2 - Injector Restricted
P02A1
Cylinder 2 - Injector Leaking
P02A2
Cylinder 3 - Fuel Trim at Max Limit
P02A3
Cylinder 3 - Fuel Trim at Min Limit
P02A4
Cylinder 3 - Injector Restricted
P02A5
Cylinder 3 - Injector Leaking
P02A6
Cylinder 4 - Fuel Trim at Max Limit
P02A7
Cylinder 4 - Fuel Trim at Min Limit
P02A8
Cylinder 4 - Injector Restricted
P02A9
Cylinder 4 - Injector Leaking
P02AA
Cylinder 5 - Fuel Trim at Max Limit
P02AB
Cylinder 5 - Fuel Trim at Min Limit
P02AC
Cylinder 5 - Injector Restricted
P02AD
Cylinder 5 - Injector Leaking
P02AE
Cylinder 6 - Fuel Trim at Max Limit
P02AF
Cylinder 6 - Fuel Trim at Min Limit
P02B0
Cylinder 6 - Injector Restricted
P02B1
Cylinder 6 - Injector Leaking
P02B2
Cylinder 7 - Fuel Trim at Max Limit
P02B3
Cylinder 7 - Fuel Trim at Min Limit
P02B4
Cylinder 7 - Injector Restricted
P02B5
Cylinder 7 - Injector Leaking
P02B6
Cylinder 8 - Fuel Trim at Max Limit
P02B7
Cylinder 8 - Fuel Trim at Min Limit
P02B8
Cylinder 8 - Injector Restricted
P02B9
Cylinder 8 - Injector Leaking
P02BA
Cylinder 9 - Fuel Trim at Max Limit
P02BB
Cylinder 9 - Fuel Trim at Min Limit
P02BC
Cylinder 9 - Injector Restricted