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Powertrain code references — Page 71.

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

9,891 code references in powertrain

Generic OBD-II
P22F7

Cylinder 8 Alternative Fuel Injector Control Circuit High

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Generic OBD-II
P22F8

Cylinder 8 Alternative Fuel Injector Control Circuit Range/Performance

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Generic OBD-II
P22F9

NOx Sensor Performance - Slow Response Low to High Bank 1 Sensor 1

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Generic OBD-II
P22FA

NOx Sensor Performance - Slow Response High to Low Bank 1 Sensor 1

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Generic OBD-II
P22FB

NOx Sensor Performance - Sensing Element Bank 1 Sensor 1

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Generic OBD-II
P22FC

NOx Sensor Performance - Slow Response Low to High Bank 1 Sensor 2

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Generic OBD-II
P22FD

NOx Sensor Performance - Slow Response High to Low Bank 1 Sensor 2

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Generic OBD-II
P22FE

NOx Sensor Performance - Sensing Element Bank 1 Sensor 2

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Generic OBD-II
P22FF

SCR NOx Catalyst Inlet Temperature Too Low

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Generic OBD-II
P2300

Ignition Coil A Primary Control Circuit Low

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Generic OBD-II
P2301

Ignition Coil A Primary Control Circuit High

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Generic OBD-II
P2302

Ignition Coil A Secondary Circuit

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Generic OBD-II
P2303

Ignition Coil B Primary Control Circuit Low

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Generic OBD-II
P2304

Ignition Coil B Primary Control Circuit High

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Generic OBD-II
P2305

Ignition Coil B Secondary Circuit

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Generic OBD-II
P2306

Ignition Coil C Primary Control Circuit Low

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Generic OBD-II
P2307

Ignition Coil C Primary Control Circuit High

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Generic OBD-II
P2308

Ignition Coil C Secondary Circuit

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Generic OBD-II
P2309

Ignition Coil D Primary Control Circuit Low

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Generic OBD-II
P230A

Cylinder 1 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230B

Cylinder 2 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230C

Cylinder 3 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230D

Cylinder 4 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230E

Cylinder 5 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P230F

Cylinder 6 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P2310

Ignition Coil D Primary Control Circuit High

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Generic OBD-II
P2311

Ignition Coil D Secondary Circuit

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Generic OBD-II
P2312

Ignition Coil E Primary Control Circuit Low

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Generic OBD-II
P2313

Ignition Coil E Primary Control Circuit High

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Generic OBD-II
P2314

Ignition Coil E Secondary Circuit

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Generic OBD-II
P2315

Ignition Coil F Primary Control Circuit Low

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Generic OBD-II
P2316

Ignition Coil F Primary Control Circuit High

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Generic OBD-II
P2317

Ignition Coil F Secondary Circuit

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Generic OBD-II
P2318

Ignition Coil G Primary Control Circuit Low

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Generic OBD-II
P2319

Ignition Coil G Primary Control Circuit High

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Generic OBD-II
P231A

Cylinder 7 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P231B

Cylinder 8 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P231C

Cylinder 9 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P231D

Cylinder 10 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P231E

Cylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P231F

Cylinder 12 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

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Generic OBD-II
P2320

Ignition Coil G Secondary Circuit

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Generic OBD-II
P2321

Ignition Coil H Primary Control Circuit Low

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Generic OBD-II
P2322

Ignition Coil H Primary Control Circuit High

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Generic OBD-II
P2323

Ignition Coil H Secondary Circuit

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Generic OBD-II
P2324

Ignition Coil I Primary Control Circuit Low

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Generic OBD-II
P2325

Ignition Coil I Primary Control Circuit High

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Generic OBD-II
P2326

Ignition Coil I Secondary Circuit

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Generic OBD-II
P2327

Ignition Coil J Primary Control Circuit Low

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Generic OBD-II
P2328

Ignition Coil J Primary Control Circuit High

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Generic OBD-II
P2329

Ignition Coil J Secondary Circuit

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Generic OBD-II
P232A

TCM Request - Forced Engine Shutdown

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Generic OBD-II
P232B

Cylinder 11 Fuel Injector A Offset Learning At Min Limit

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Generic OBD-II
P232C

Cylinder 11 Fuel Injector A Offset Learning At Max Limit

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Generic OBD-II
P232D

Cylinder 12 Fuel Injector A Offset Learning At Min Limit

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Generic OBD-II
P232E

Cylinder 12 Fuel Injector A Offset Learning At Max Limit

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Generic OBD-II
P232F

O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2

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Generic OBD-II
P2330

Ignition Coil K Primary Control Circuit Low

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Generic OBD-II
P2331

Ignition Coil K Primary Control Circuit High

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Generic OBD-II
P2332

Ignition Coil K Secondary Circuit

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Generic OBD-II
P2333

Ignition Coil L Primary Control Circuit Low

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Generic OBD-II
P2334

Ignition Coil L Primary Control Circuit High

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Generic OBD-II
P2335

Ignition Coil L Secondary Circuit

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Generic OBD-II
P2336

Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2337

Cylinder 2 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2338

Cylinder 3 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2339

Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P233A

Fuel Pressure Regulator C Control Circuit/Open

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Generic OBD-II
P233B

Fuel Pressure Regulator C Control Circuit Low

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Generic OBD-II
P233C

Fuel Pressure Regulator C Control Circuit High

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Generic OBD-II
P233D

Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit/Open

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Generic OBD-II
P233E

Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit Low

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Generic OBD-II
P233F

Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit High

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Generic OBD-II
P2340

Cylinder 5 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2341

Cylinder 6 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2342

Cylinder 7 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2343

Cylinder 8 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2344

Cylinder 9 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2345

Cylinder 10 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2346

Cylinder 11 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2347

Cylinder 12 Above Knock/Combustion Vibration Sensor Threshold

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Generic OBD-II
P2348

Cylinder 9 Pressure Sensor Circuit

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Generic OBD-II
P2349

Cylinder 9 Pressure Sensor Circuit Range/Performance

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Generic OBD-II
P234A

Cylinder 9 Pressure Sensor Circuit Low

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Generic OBD-II
P234B

Cylinder 9 Pressure Sensor Circuit High

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Generic OBD-II
P234C

Cylinder 9 Pressure Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P234D

Cylinder 9 Pressure Too Low

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Generic OBD-II
P234E

Cylinder 9 Pressure Too High

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Generic OBD-II
P234F

Cylinder 9 Pressure Variation Low

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Generic OBD-II
P2350

Cylinder 9 Pressure Variation High

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Generic OBD-II
P2351

Cylinder 9 Combustion Performance

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Generic OBD-II
P2352

Cylinder 10 Pressure Sensor Circuit

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Generic OBD-II
P2353

Cylinder 10 Pressure Sensor Circuit Range/Performance

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Generic OBD-II
P2354

Cylinder 10 Pressure Sensor Circuit Low

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Generic OBD-II
P2355

Cylinder 10 Pressure Sensor Circuit High

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Generic OBD-II
P2356

Cylinder 10 Pressure Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P2357

Cylinder 10 Pressure Too Low

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Generic OBD-II
P2358

Cylinder 10 Pressure Too High

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Generic OBD-II
P2359

Cylinder 10 Pressure Variation Low

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Generic OBD-II
P235A

Cylinder 10 Pressure Variation High

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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.