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Powertrain code references — Page 69.

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

9,891 code references in powertrain

Generic OBD-II
P222F

Barometric Pressure Sensor A/B Correlation

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Generic OBD-II
P2230

Barometric Pressure Sensor A Circuit Intermittent/Erratic

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Generic OBD-II
P2231

O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1

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Generic OBD-II
P2232

O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 2

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Generic OBD-II
P2233

O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 3

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Generic OBD-II
P2234

O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1

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Generic OBD-II
P2235

O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 2

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Generic OBD-II
P2236

O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 3

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Generic OBD-II
P2237

O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1

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Generic OBD-II
P2238

O2 Sensor Positive Current Control Circuit Low Bank 1 Sensor 1

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Generic OBD-II
P2239

O2 Sensor Positive Current Control Circuit High Bank 1 Sensor 1

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Generic OBD-II
P223A

Reductant Heater E Control Circuit

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Generic OBD-II
P223B

Reductant Heater F Control Circuit

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Generic OBD-II
P223C

O2 Sensor Pumping Current Range/Performance Bank 1

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Generic OBD-II
P223D

O2 Sensor Pumping Current Range/Performance Bank 2

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Generic OBD-II
P223E

O2 Sensor Reference Resistance Out Of Range Bank 1

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Generic OBD-II
P223F

O2 Sensor Reference Resistance Out Of Range Bank 2

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Generic OBD-II
P2240

O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 1

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Generic OBD-II
P2241

O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 1

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Generic OBD-II
P2242

O2 Sensor Positive Current Control Circuit High Bank 2 Sensor 1

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Generic OBD-II
P2243

O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1

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Generic OBD-II
P2244

O2 Sensor Reference Voltage Performance Bank 1 Sensor 1

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Generic OBD-II
P2245

O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 1

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Generic OBD-II
P2246

O2 Sensor Reference Voltage Circuit High Bank 1 Sensor 1

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Generic OBD-II
P2247

O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 1

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Generic OBD-II
P2248

O2 Sensor Reference Voltage Performance Bank 2 Sensor 1

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Generic OBD-II
P2249

O2 Sensor Reference Voltage Circuit Low Bank 2 Sensor 1

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Generic OBD-II
P224A

NOx Sensor Heater Resistance Bank 1 Sensor 1

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Generic OBD-II
P224B

NOx Sensor Heater Resistance Bank 1 Sensor 2

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Generic OBD-II
P224C

Alternative Fuel Tank Shutoff Valve A Control Circuit/Open

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Generic OBD-II
P224D

Alternative Fuel Tank Shutoff Valve A Control Circuit Performance/Stuck Off

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Generic OBD-II
P224E

Alternative Fuel Tank Shutoff Valve A Control Circuit Low

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Generic OBD-II
P224F

Alternative Fuel Tank Shutoff Valve A Control Circuit High

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Generic OBD-II
P2250

O2 Sensor Reference Voltage Circuit High Bank 2 Sensor 1

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Generic OBD-II
P2251

O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1

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Generic OBD-II
P2252

O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 1

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Generic OBD-II
P2253

O2 Sensor Negative Current Control Circuit High Bank 1 Sensor 1

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Generic OBD-II
P2254

O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1

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Generic OBD-II
P2255

O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 1

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Generic OBD-II
P2256

O2 Sensor Negative Current Control Circuit High Bank 2 Sensor 1

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Generic OBD-II
P2257

AIR System Control A Circuit Low

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Generic OBD-II
P2258

AIR System Control A Circuit High

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Generic OBD-II
P2259

AIR System Control B Circuit Low

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Generic OBD-II
P225A

NOx Sensor Calibration Memory Bank 1 Sensor 1

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Generic OBD-II
P225B

NOx Sensor Calibration Memory Bank 1 Sensor 2

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Generic OBD-II
P225C

NOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sensor 1

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Generic OBD-II
P225D

NOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sensor 1

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Generic OBD-II
P225E

NOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sensor 2

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Generic OBD-II
P225F

NOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sensor 2

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Generic OBD-II
P2260

AIR System Control B Circuit High

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Generic OBD-II
P2261

Turbocharger/Supercharger Bypass Valve A - Mechanical

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Generic OBD-II
P2262

Turbocharger/Supercharger Boost Pressure A Not Detected - Mechanical

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Generic OBD-II
P2263

Turbocharger/Supercharger A Boost System Performance

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Generic OBD-II
P2264

Water in Fuel Sensor A Circuit

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Generic OBD-II
P2265

Water in Fuel Sensor A Circuit Range/Performance

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Generic OBD-II
P2266

Water in Fuel Sensor A Circuit Low

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Generic OBD-II
P2267

Water in Fuel Sensor A Circuit High

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Generic OBD-II
P2268

Water in Fuel Sensor A Circuit Intermittent

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Generic OBD-II
P2269

Water in Fuel Condition - Sensor A

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Generic OBD-II
P226A

Water in Fuel Lamp Control Circuit

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Generic OBD-II
P226B

Turbocharger/Supercharger A Boost Pressure Too High - Mechanical

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Generic OBD-II
P226C

Turbocharger Boost Control A Slow Response

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Generic OBD-II
P226D

Particulate Filter Deteriorated/Missing Substrate Bank 1

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Generic OBD-II
P226E

Particulate Filter Deteriorated/Missing Substrate Bank 2

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Generic OBD-II
P226F

Turbocharger Boost Control B Slow Response

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Generic OBD-II
P2270

O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2

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Generic OBD-II
P2271

O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2

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Generic OBD-II
P2272

O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 2

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Generic OBD-II
P2273

O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 2

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Generic OBD-II
P2274

O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 3

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Generic OBD-II
P2275

O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 3

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Generic OBD-II
P2276

O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 3

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Generic OBD-II
P2277

O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 3

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Generic OBD-II
P2278

O2 Sensor Signals Swapped Bank 1 Sensor 3/Bank 2 Sensor 3

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Generic OBD-II
P2279

Intake Air System Leak Bank 1

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Generic OBD-II
P227A

Barometric Pressure Sensor C Circuit

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Generic OBD-II
P227B

Barometric Pressure Sensor C Circuit Range/Performance

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Generic OBD-II
P227C

Barometric Pressure Sensor C Circuit Low

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Generic OBD-II
P227D

Barometric Pressure Sensor C Circuit High

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Generic OBD-II
P227E

Barometric Pressure Sensor C Circuit Intermittent/Erratic

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Generic OBD-II
P227F

Air Flow Restriction/Air Leak Between Air Filter and MAF Bank 2

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Generic OBD-II
P2280

Air Flow Restriction/Air Leak Between Air Filter and MAF Bank 1

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Generic OBD-II
P2281

Air Leak Between MAF and Throttle Body

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Generic OBD-II
P2282

Air Leak Between Throttle Body and Intake Valves

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Generic OBD-II
P2283

Injector Control Pressure Sensor Circuit

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Generic OBD-II
P2284

Injector Control Pressure Sensor Circuit Range/Performance

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Generic OBD-II
P2285

Injector Control Pressure Sensor Circuit Low

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Generic OBD-II
P2286

Injector Control Pressure Sensor Circuit High

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Generic OBD-II
P2287

Injector Control Pressure Sensor Circuit Intermittent

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Generic OBD-II
P2288

Injector Control Pressure Too High

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Generic OBD-II
P2289

Injector Control Pressure Too High - Engine Off

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Generic OBD-II
P228A

Fuel Pressure Regulator A - Forced Engine Shutdown

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Generic OBD-II
P228B

Fuel Pressure Regulator B - Forced Engine Shutdown

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Generic OBD-II
P228C

Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low

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Generic OBD-II
P228D

Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too High

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Generic OBD-II
P228E

Fuel Pressure Regulator A Exceeded Learning Limits - Too Low

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Generic OBD-II
P228F

Fuel Pressure Regulator A Exceeded Learning Limits - Too High

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Generic OBD-II
P2290

Injector Control Pressure Too Low

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Generic OBD-II
P2291

Injector Control Pressure Too Low - Engine Cranking

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Generic OBD-II
P2292

Injector Control Pressure Erratic

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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.