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Powertrain code references — Page 7.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

9,891 code references in powertrain

Generic OBD-II
P0259

Injection Pump Fuel Metering Control B High (Cam/Rotor/Injector)

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Generic OBD-II
P025A

Fuel Pump Module A Control Circuit/Open

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Generic OBD-II
P025B

Fuel Pump Module A Control Circuit Range/Performance

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Generic OBD-II
P025C

Fuel Pump Module A Control Circuit Low

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Generic OBD-II
P025D

Fuel Pump Module A Control Circuit High

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Generic OBD-II
P025E

Turbocharger/Supercharger Boost Sensor A Intermittent/Erratic

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Generic OBD-II
P025F

Turbocharger/Supercharger Boost Sensor B Intermittent/Erratic

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Generic OBD-II
P0260

Injection Pump Fuel Metering Control B Intermittent (Cam/Rotor/Injector)

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Generic OBD-II
P0261

Cylinder 1 Injector A Circuit Low

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Generic OBD-II
P0262

Cylinder 1 Injector A Circuit High

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Generic OBD-II
P0263

Cylinder 1 Contribution/Balance

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Generic OBD-II
P0264

Cylinder 2 Injector A Circuit Low

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Generic OBD-II
P0265

Cylinder 2 Injector A Circuit High

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Generic OBD-II
P0266

Cylinder 2 Contribution/Balance

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Generic OBD-II
P0267

Cylinder 3 Injector A Circuit Low

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Generic OBD-II
P0268

Cylinder 3 Injector A Circuit High

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Generic OBD-II
P0269

Cylinder 3 Contribution/Balance

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Generic OBD-II
P026A

Charge Air Cooler Efficiency Below Threshold

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Generic OBD-II
P026B

Injection Timing Performance

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Generic OBD-II
P026C

Fuel Injection Quantity A Lower Than Expected

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Generic OBD-II
P026D

Fuel Injection Quantity A Higher Than Expected

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Generic OBD-II
P026E

Charge Air Cooler Coolant Pump A Performance

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Generic OBD-II
P026F

Coolant Thermostat Performance

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Generic OBD-II
P0270

Cylinder 4 Injector A Circuit Low

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Generic OBD-II
P0271

Cylinder 4 Injector A Circuit High

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Generic OBD-II
P0272

Cylinder 4 Contribution/Balance

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Generic OBD-II
P0273

Cylinder 5 Injector A Circuit Low

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Generic OBD-II
P0274

Cylinder 5 Injector A Circuit High

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Generic OBD-II
P0275

Cylinder 5 Contribution/Balance

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Generic OBD-II
P0276

Cylinder 6 Injector A Circuit Low

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Generic OBD-II
P0277

Cylinder 6 Injector A Circuit High

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Generic OBD-II
P0278

Cylinder 6 Contribution/Balance

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Generic OBD-II
P0279

Cylinder 7 Injector A Circuit Low

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Generic OBD-II
P027A

Fuel Pump Module B Control Circuit/Open

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Generic OBD-II
P027B

Fuel Pump Module B Control Circuit Range/Performance

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Generic OBD-II
P027C

Fuel Pump Module B Control Circuit Low

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Generic OBD-II
P027D

Fuel Pump Module B Control Circuit High

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Generic OBD-II
P027E

Cold Start Fuel Injection Quantity A Lower Than Expected

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Generic OBD-II
P027F

Cold Start Fuel Injection Quantity A Higher Than Expected

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Generic OBD-II
P0280

Cylinder 7 Injector A Circuit High

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Generic OBD-II
P0281

Cylinder 7 Contribution/Balance

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Generic OBD-II
P0282

Cylinder 8 Injector A Circuit Low

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Generic OBD-II
P0283

Cylinder 8 Injector A Circuit High

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Generic OBD-II
P0284

Cylinder 8 Contribution/Balance

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Generic OBD-II
P0285

Cylinder 9 Injector A Circuit Low

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Generic OBD-II
P0286

Cylinder 9 Injector A Circuit High

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Generic OBD-II
P0287

Cylinder 9 Contribution/Balance

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Generic OBD-II
P0288

Cylinder 10 Injector A Circuit Low

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Generic OBD-II
P0289

Cylinder 10 Injector A Circuit High

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Generic OBD-II
P028A

Charge Air Cooler Cooling Fan Control Circuit/Open

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Generic OBD-II
P028B

Charge Air Cooler Cooling Fan Performance/Stuck Off

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Generic OBD-II
P028C

Charge Air Cooler Cooling Fan Stuck On

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Generic OBD-II
P028D

Charge Air Cooler Cooling Fan Control Circuit Low

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Generic OBD-II
P028E

Charge Air Cooler Cooling Fan Control Circuit High

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Generic OBD-II
P028F

Charge Air Cooler Cooling Fan Control Circuit Driver Performance

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Generic OBD-II
P0290

Cylinder 10 Contribution/Balance

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Generic OBD-II
P0291

Cylinder 11 Injector A Circuit Low

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Generic OBD-II
P0292

Cylinder 11 Injector A Circuit High

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Generic OBD-II
P0293

Cylinder 11 Contribution/Balance

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Generic OBD-II
P0294

Cylinder 12 Injector A Circuit Low

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Generic OBD-II
P0295

Cylinder 12 Injector A Circuit High

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Generic OBD-II
P0296

Cylinder 12 Contribution/Balance

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Generic OBD-II
P0297

Vehicle Overspeed Condition

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Generic OBD-II
P0298

Engine Oil Over Temperature

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Generic OBD-II
P0299

Turbocharger/Supercharger A Underboost Condition

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Generic OBD-II
P029A

Cylinder 1 - Fuel Trim at Max Limit

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Generic OBD-II
P029B

Cylinder 1 - Fuel Trim at Min Limit

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Generic OBD-II
P029C

Cylinder 1 - Injector Restricted

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Generic OBD-II
P029D

Cylinder 1 - Injector Leaking

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Generic OBD-II
P029E

Cylinder 2 - Fuel Trim at Max Limit

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Generic OBD-II
P029F

Cylinder 2 - Fuel Trim at Min Limit

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Generic OBD-II
P02A0

Cylinder 2 - Injector Restricted

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Generic OBD-II
P02A1

Cylinder 2 - Injector Leaking

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Generic OBD-II
P02A2

Cylinder 3 - Fuel Trim at Max Limit

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Generic OBD-II
P02A3

Cylinder 3 - Fuel Trim at Min Limit

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Generic OBD-II
P02A4

Cylinder 3 - Injector Restricted

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Generic OBD-II
P02A5

Cylinder 3 - Injector Leaking

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Generic OBD-II
P02A6

Cylinder 4 - Fuel Trim at Max Limit

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Generic OBD-II
P02A7

Cylinder 4 - Fuel Trim at Min Limit

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Generic OBD-II
P02A8

Cylinder 4 - Injector Restricted

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Generic OBD-II
P02A9

Cylinder 4 - Injector Leaking

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Generic OBD-II
P02AA

Cylinder 5 - Fuel Trim at Max Limit

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Generic OBD-II
P02AB

Cylinder 5 - Fuel Trim at Min Limit

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Generic OBD-II
P02AC

Cylinder 5 - Injector Restricted

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Generic OBD-II
P02AD

Cylinder 5 - Injector Leaking

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Generic OBD-II
P02AE

Cylinder 6 - Fuel Trim at Max Limit

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Generic OBD-II
P02AF

Cylinder 6 - Fuel Trim at Min Limit

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Generic OBD-II
P02B0

Cylinder 6 - Injector Restricted

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Generic OBD-II
P02B1

Cylinder 6 - Injector Leaking

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Generic OBD-II
P02B2

Cylinder 7 - Fuel Trim at Max Limit

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Generic OBD-II
P02B3

Cylinder 7 - Fuel Trim at Min Limit

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Generic OBD-II
P02B4

Cylinder 7 - Injector Restricted

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Generic OBD-II
P02B5

Cylinder 7 - Injector Leaking

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Generic OBD-II
P02B6

Cylinder 8 - Fuel Trim at Max Limit

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Generic OBD-II
P02B7

Cylinder 8 - Fuel Trim at Min Limit

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Generic OBD-II
P02B8

Cylinder 8 - Injector Restricted

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Generic OBD-II
P02B9

Cylinder 8 - Injector Leaking

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Generic OBD-II
P02BA

Cylinder 9 - Fuel Trim at Max Limit

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Generic OBD-II
P02BB

Cylinder 9 - Fuel Trim at Min Limit

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Generic OBD-II
P02BC

Cylinder 9 - Injector Restricted

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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.