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Powertrain code references — Page 72.

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

9,891 code references in powertrain

Generic OBD-II
P235B

Cylinder 10 Combustion Performance

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Generic OBD-II
P235C

Cylinder 11 Pressure Sensor Circuit

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Generic OBD-II
P235D

Cylinder 11 Pressure Sensor Circuit Range/Performance

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Generic OBD-II
P235E

Cylinder 11 Pressure Sensor Circuit Low

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Generic OBD-II
P235F

Cylinder 11 Pressure Sensor Circuit High

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Generic OBD-II
P2360

Cylinder 11 Pressure Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P2361

Cylinder 11 Pressure Too Low

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Generic OBD-II
P2362

Cylinder 11 Pressure Too High

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Generic OBD-II
P2363

Cylinder 11 Pressure Variation Low

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Generic OBD-II
P2364

Cylinder 11 Pressure Variation High

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Generic OBD-II
P2365

Cylinder 11 Combustion Performance

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Generic OBD-II
P2366

Cylinder 12 Pressure Sensor Circuit

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Generic OBD-II
P2367

Cylinder 12 Pressure Sensor Circuit Range/Performance

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Generic OBD-II
P2368

Cylinder 12 Pressure Sensor Circuit Low

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Generic OBD-II
P2369

Cylinder 12 Pressure Sensor Circuit High

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Generic OBD-II
P236A

Cylinder 12 Pressure Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P236B

Cylinder 12 Pressure Too Low

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Generic OBD-II
P236C

Cylinder 12 Pressure Too High

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Generic OBD-II
P236D

Cylinder 12 Pressure Variation Low

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Generic OBD-II
P236E

Cylinder 12 Pressure Variation High

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Generic OBD-II
P236F

Cylinder 12 Combustion Performance

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Generic OBD-II
P2370

Fuel Volume Regulator B Control Circuit/Open

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Generic OBD-II
P2371

Fuel Volume Regulator B Control Circuit Performance

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Generic OBD-II
P2372

Fuel Volume Regulator B Control Circuit Low

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Generic OBD-II
P2373

Fuel Volume Regulator B Control Circuit High

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Generic OBD-II
P2374

Turbocharger/Supercharger Inlet Pressure Sensor B Circuit

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Generic OBD-II
P2375

Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Range/Performance

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Generic OBD-II
P2376

Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Low

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Generic OBD-II
P2377

Turbocharger/Supercharger Inlet Pressure Sensor B Circuit High

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Generic OBD-II
P2378

Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Intermittent/Erratic

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Generic OBD-II
P2379

O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2

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Generic OBD-II
P237A

O2 Sensor Exhaust Sample Error Bank 1 Sensor 2

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Generic OBD-II
P237B

O2 Sensor Exhaust Sample Error Bank 2 Sensor 2

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Generic OBD-II
P237C

Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circuit/Open

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Generic OBD-II
P237D

Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circuit Low

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Generic OBD-II
P237E

Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circuit High

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Generic OBD-II
P237F

Exhaust Heat Exchanger Exhaust Bypass Valve A Control Performance

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Generic OBD-II
P2380

EGR Sensor D Circuit

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Generic OBD-II
P2381

EGR Sensor D Circuit High

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Generic OBD-II
P2382

EGR Sensor D Circuit Low

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Generic OBD-II
P2383

EGR Sensor D Circuit Range/Performance

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Generic OBD-II
P2384

EGR Sensor D Circuit Intermittent

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Generic OBD-II
P2385

EGR Sensor E Circuit

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Generic OBD-II
P2386

EGR Sensor E Circuit High

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Generic OBD-II
P2387

EGR Sensor E Circuit Low

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Generic OBD-II
P2388

EGR Sensor E Circuit Range/Performance

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Generic OBD-II
P2389

EGR Sensor E Circuit Intermittent

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Generic OBD-II
P238A

Water in Fuel Sensor B Circuit

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Generic OBD-II
P238B

Water in Fuel Sensor B Circuit Range/Performance

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Generic OBD-II
P238C

Water in Fuel Sensor B Circuit Low

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Generic OBD-II
P238D

Water in Fuel Sensor B Circuit High

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Generic OBD-II
P238E

Water in Fuel Sensor B Circuit Intermittent

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Generic OBD-II
P238F

Water in Fuel Condition - Sensor B

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Generic OBD-II
P2390

Diesel Intake Air Flow B Control Circuit/Open

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Generic OBD-II
P2391

Diesel Intake Air Flow B Control Performance

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Generic OBD-II
P2392

Diesel Intake Air Flow B Control Circuit Low

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Generic OBD-II
P2393

Diesel Intake Air Flow B Control Circuit High

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Generic OBD-II
P2394

Diesel Intake Air Flow B Control Stuck Open

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Generic OBD-II
P2395

Diesel Intake Air Flow B Control Stuck Closed

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Generic OBD-II
P2396

Diesel Intake Air Flow B Position Sensor Circuit

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Generic OBD-II
P2397

Diesel Intake Air Flow B Position Sensor Range/Performance

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Generic OBD-II
P2398

Diesel Intake Air Flow B Position Sensor Circuit Low

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Generic OBD-II
P2399

Diesel Intake Air Flow B Position Sensor Circuit High

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Generic OBD-II
P239A

Diesel Intake Air Flow B Position Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P239B

Diesel Intake Air Flow B Control Motor Current Range/Performance

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Generic OBD-II
P239C

Diesel Intake Air Flow B Control System - High Air Flow Detected

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Generic OBD-II
P239D

Diesel Intake Air Flow B Control System - Low Air Flow Detected

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Generic OBD-II
P239E

O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2

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Generic OBD-II
P239F

O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2

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Generic OBD-II
P23A0

O2 Sensor Exhaust Sample Error Bank 1 Sensor 2

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Generic OBD-II
P23A1

O2 Sensor Exhaust Sample Error Bank 2 Sensor 2

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Generic OBD-II
P23A2

Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circuit/Open

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Generic OBD-II
P23A3

Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circuit Low

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Generic OBD-II
P23A4

Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circuit High

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Generic OBD-II
P23A5

Exhaust Heat Exchanger Exhaust Bypass Valve B Control Performance

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Generic OBD-II
P23A6

Exhaust Heat Exchanger Exhaust Bypass Valve B Stuck Open

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Generic OBD-II
P23A7

Exhaust Heat Exchanger Exhaust Bypass Valve B Stuck Closed

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Generic OBD-II
P23A8

Exhaust Heat Exchanger Exhaust Bypass Valve B Position Sensor Stop Performance

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Generic OBD-II
P23A9

Communication Fault – Forced Engine Shutdown

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Generic OBD-II
P23AA

Turbocharger/Supercharger Bypass Valve A Stuck

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Generic OBD-II
P23AB

NOx Sensor Processor Performance Bank 1 Sensor 3

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Generic OBD-II
P23AC

NOx Sensor Circuit Bank 1 Sensor 3

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Generic OBD-II
P23AD

NOx Sensor Circuit Range/Performance Bank 1 Sensor 3

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Generic OBD-II
P23AE

NOx Sensor Circuit Low Bank 1 Sensor 3

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Generic OBD-II
P23AF

NOx Sensor Circuit High Bank 1 Sensor 3

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Generic OBD-II
P23B0

NOx Sensor Circuit Intermittent Bank 1 Sensor 3

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Generic OBD-II
P23B1

NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 3

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Generic OBD-II
P23B2

NOx Sensor Heater Control Circuit Low Bank 1 Sensor 3

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Generic OBD-II
P23B3

NOx Sensor Heater Control Circuit High Bank 1 Sensor 3

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Generic OBD-II
P23B4

NOx Sensor Heater Sense Circuit Bank 1 Sensor 3

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Generic OBD-II
P23B5

NOx Sensor Heater Sense Circuit Range/Performance Bank 1 Sensor 3

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Generic OBD-II
P23B6

NOx Sensor Supply Voltage Circuit Bank 1 Sensor 3

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Generic OBD-II
P23B7

NOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 3

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Generic OBD-II
P23B8

NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 3

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Generic OBD-II
P23B9

NOx Sensor Heater Sense Circuit High Bank 1 Sensor 3

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Generic OBD-II
P23BA

NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 3

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Generic OBD-II
P23BB

NOx Sensor Heater Resistance Bank 1 Sensor 3

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Generic OBD-II
P23BC

NOx Sensor Calibration Memory Bank 1 Sensor 3

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Generic OBD-II
P23BD

NOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sensor 3

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Generic OBD-II
P23BE

NOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sensor 3

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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.