P CODE FAMILY

Powertrain code references — Page 80.

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

9,891 code references in powertrain

Generic OBD-II
P267B

B Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 2

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Generic OBD-II
P267C

B Rocker Arm Actuator Position Sensor Circuit Low Bank 2

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Generic OBD-II
P267D

B Rocker Arm Actuator Position Sensor Circuit High Bank 2

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Generic OBD-II
P267E

B Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2

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Generic OBD-II
P267F

Control Module Internal Temperature Sensor A Circuit Intermittent/Erratic

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Generic OBD-II
P2680

Coolant Degassing Valve Control Circuit High

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Generic OBD-II
P2681

Engine Coolant Bypass Valve A Control Circuit/Open

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Generic OBD-II
P2682

Engine Coolant Bypass Valve A Control Circuit Low

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Generic OBD-II
P2683

Engine Coolant Bypass Valve A Control Circuit High

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Generic OBD-II
P2684

Actuator Supply Voltage C Circuit/Open

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Generic OBD-II
P2685

Actuator Supply Voltage C Circuit Low

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Generic OBD-II
P2686

Actuator Supply Voltage C Circuit High

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Generic OBD-II
P2687

Fuel Supply Heater Control Circuit/Open

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Generic OBD-II
P2688

Fuel Supply Heater Control Circuit Low

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Generic OBD-II
P2689

Fuel Supply Heater Control Circuit High

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Generic OBD-II
P268A

Fuel Injector Calibration Not Learned/Programmed

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Generic OBD-II
P268B

High Pressure Fuel Pump Calibration Not Learned/Programmed

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Generic OBD-II
P268C

Cylinder 1 Injector Data Incompatible

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Generic OBD-II
P268D

Cylinder 2 Injector Data Incompatible

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Generic OBD-II
P268E

Cylinder 3 Injector Data Incompatible

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Generic OBD-II
P268F

Cylinder 4 Injector Data Incompatible

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Generic OBD-II
P2690

Cylinder 5 Injector Data Incompatible

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Generic OBD-II
P2691

Cylinder 6 Injector Data Incompatible

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Generic OBD-II
P2692

Cylinder 7 Injector Data Incompatible

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Generic OBD-II
P2693

Cylinder 8 Injector Data Incompatible

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Generic OBD-II
P2694

Cylinder 9 Injector Data Incompatible

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Generic OBD-II
P2695

Cylinder 10 Injector Data Incompatible

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Generic OBD-II
P2696

Injector Data Incompatible

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Generic OBD-II
P2697

Exhaust Aftertreatment Fuel Injector A Circuit/Open

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Generic OBD-II
P2698

Exhaust Aftertreatment Fuel Injector A Performance

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Generic OBD-II
P2699

Exhaust Aftertreatment Fuel Injector A Circuit Low

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Generic OBD-II
P269A

Exhaust Aftertreatment Fuel Injector A Circuit High

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Generic OBD-II
P269B

Exhaust Aftertreatment Glow Plug Control Circuit/Open

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Generic OBD-II
P269C

Exhaust Aftertreatment Glow Plug Control Performance

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Generic OBD-II
P269D

Exhaust Aftertreatment Glow Plug Control Circuit Low

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Generic OBD-II
P269E

Exhaust Aftertreatment Glow Plug Control Circuit High

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Generic OBD-II
P269F

Exhaust Aftertreatment Glow Plug Circuit/Open

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Generic OBD-II
P26A0

Exhaust Aftertreatment Glow Plug Performance

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Generic OBD-II
P26A1

Exhaust Aftertreatment Glow Plug Circuit Low

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Generic OBD-II
P26A2

Exhaust Aftertreatment Glow Plug Circuit High

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Generic OBD-II
P26A3

Engine Coolant Bypass Valve A Range/Performance

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Generic OBD-II
P26A4

Engine Coolant Bypass Valve A Position Sensor Circuit

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Generic OBD-II
P26A5

Engine Coolant Bypass Valve A Position Sensor Circuit Range/Performance

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Generic OBD-II
P26A6

Engine Coolant Bypass Valve A Position Sensor Circuit Low

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Generic OBD-II
P26A7

Engine Coolant Bypass Valve A Position Sensor Circuit High

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Generic OBD-II
P26A8

Engine Coolant Bypass Valve A Position Sensor Circuit Intermittent/Erratic

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Generic OBD-II
P26A9

Engine Coolant Bypass Valve A Position Sensor Stop/Minimum Stop Performance

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Generic OBD-II
P26AA

Engine Coolant Bypass Valve A Position Sensor Maximum Stop Performance

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Generic OBD-II
P26AB

Engine Coolant Bypass Valve A Stuck/Open

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Generic OBD-II
P26AC

Engine Coolant Bypass Valve B Control Circuit/Open

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Generic OBD-II
P26AD

Engine Coolant Bypass Valve B Control Circuit Low

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Generic OBD-II
P26AE

Engine Coolant Bypass Valve B Control Circuit High

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Generic OBD-II
P26AF

Engine Coolant Bypass Valve B Stuck/Open

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Generic OBD-II
P26B0

Engine Coolant Bypass Valve B Range/Performance

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Generic OBD-II
P26B1

Engine Coolant Bypass Valve A Stuck Closed

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Generic OBD-II
P26B2

Engine Coolant Bypass Valve B Stuck Closed

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Generic OBD-II
P26B3

Fuel Shutoff Valve A Control Circuit Performance/Stuck Off

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Generic OBD-II
P26B4

Fuel Shutoff Valve A Control Circuit Stuck On

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Generic OBD-II
P26B5

Fuel Shutoff Valve B Control Circuit Performance/Stuck Off

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Generic OBD-II
P26B6

Fuel Shutoff Valve B Control Circuit Stuck On

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Generic OBD-II
P26B7

Engine Coolant Bypass Valve C Control Circuit/Open

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Generic OBD-II
P26B8

Engine Coolant Bypass Valve C Control Circuit Low

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Generic OBD-II
P26B9

Engine Coolant Bypass Valve C Control Circuit High

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Generic OBD-II
P26BA

Engine Coolant Bypass Valve C Stuck/Open

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Generic OBD-II
P26BB

Engine Coolant Bypass Valve C Range/Performance

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Generic OBD-II
P26BC

Engine Coolant Bypass Valve C Stuck Closed

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Generic OBD-II
P26BD

Engine Coolant Bypass Valve D Control Circuit/Open

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Generic OBD-II
P26BE

Engine Coolant Bypass Valve D Control Circuit Low

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Generic OBD-II
P26BF

Engine Coolant Bypass Valve D Control Circuit High

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Generic OBD-II
P26C0

Engine Coolant Bypass Valve D Stuck/Open

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Generic OBD-II
P26C1

Engine Coolant Bypass Valve D Range/Performance

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Generic OBD-II
P26C2

Engine Coolant Bypass Valve D Stuck Closed

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Generic OBD-II
P26C3

Internal Control Module Transmission Range Sensor Performance

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Generic OBD-II
P26C4

Internal Control Module Clutch Pedal Performance

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Generic OBD-II
P26C5

Exhaust Flow Control Valve A Control Circuit/Open

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Generic OBD-II
P26C6

Exhaust Flow Control Valve A Control Circuit Low

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Generic OBD-II
P26C7

Exhaust Flow Control Valve A Control Circuit High

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Generic OBD-II
P26C8

Chassis Control Module 1 Requested MIL Illumination

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Generic OBD-II
P26C9

Chassis Control Module 2 Requested MIL Illumination

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Generic OBD-II
P26CA

Engine Coolant Pump Control Circuit/Open

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Generic OBD-II
P26CB

Engine Coolant Pump Performance/Stuck Off

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Generic OBD-II
P26CC

Engine Coolant Pump Control Circuit Low

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Generic OBD-II
P26CD

Engine Coolant Pump Control Circuit High

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Generic OBD-II
P26CE

Engine Coolant Pump Overspeed/Air In System

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Generic OBD-II
P26CF

Engine Coolant Pump Control Module System Voltage

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Generic OBD-II
P26D0

Engine Coolant Pump Control Module System Voltage Low

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Generic OBD-II
P26D1

Engine Coolant Pump Control Module System Voltage High

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Generic OBD-II
P26D2

Engine Coolant Pump Control Module Over Temperature

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Generic OBD-II
P26D3

Engine Coolant Pump Supply Voltage Circuit

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Generic OBD-II
P26D4

Engine Coolant Pump Supply Voltage Circuit Low

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Generic OBD-II
P26D5

Engine Coolant Pump Supply Voltage Circuit High

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Generic OBD-II
P26D6

Engine Coolant Pump Clutch Control Circuit/Open

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Generic OBD-II
P26D7

Engine Coolant Pump Clutch Performance/Stuck Off

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Generic OBD-II
P26D8

Engine Coolant Pump Clutch Stuck On

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Generic OBD-II
P26D9

Engine Coolant Pump Clutch Control Circuit Low

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Generic OBD-II
P26DA

Engine Coolant Pump Clutch Control Circuit High

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Generic OBD-II
P26DB

Engine Sound Control A Circuit/Open

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Generic OBD-II
P26DC

Engine Sound Control A Circuit Low

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Generic OBD-II
P26DD

Engine Sound Control A Circuit High

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Generic OBD-II
P26DE

Engine Sound Control A Circuit Performance

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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.