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Powertrain code references — Page 79.

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

9,891 code references in powertrain

Generic OBD-II
P2617

Ford 6.0L FICM crankshaft-position input or synchronization fault

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Generic OBD-II
P2618

Replicated crank output low is different from a crank-sensor input fault

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Generic OBD-II
P2619

Why a crankshaft output-high fault does not prove lost timing

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Generic OBD-II
P261A

Pump B open-circuit monitoring has a specific cooling-loop role

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Generic OBD-II
P261B

Separate pump B performance from a definite stalled rotor

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Generic OBD-II
P261C

A low pump B control circuit is not a measured flow shortage

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Generic OBD-II
P261D

Interpret pump B high-control evidence before choosing a repair

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Generic OBD-II
P261E

Coolant Pump B Control Circuit Stuck On

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Generic OBD-II
P261F

Coolant pump reports substantial speed when it should be off

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Generic OBD-II
P2620

Throttle Position Output Circuit/Open

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Generic OBD-II
P2621

Throttle Position Output Circuit Low

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Generic OBD-II
P2622

Throttle Position Output Circuit High

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Generic OBD-II
P2623

Ford 6.0L injection-pressure regulator driver circuit fault

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Generic OBD-II
P2624

Injector Control Pressure Regulator Circuit Low

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Generic OBD-II
P2625

Injector Control Pressure Regulator Circuit High

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Generic OBD-II
P2626

Front oxygen-sensor pump-current trim circuit fails its interface test

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Generic OBD-II
P2627

NOx sensor 1 oxygen signal below its accepted floor

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Generic OBD-II
P2628

NOx sensor 1 oxygen signal above its accepted ceiling

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Generic OBD-II
P2629

The upstream bank-two oxygen sensor’s compensation path is open

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Generic OBD-II
P262A

Fuel Injector - Pilot Injection Not Learned

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Generic OBD-II
P262B

The control module’s power-off timer fails increment or agreement checks

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Generic OBD-II
P262C

Sensor Reference Voltage G Circuit/Open

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Generic OBD-II
P262D

Sensor Reference Voltage G Circuit Low

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Generic OBD-II
P262E

Sensor Reference Voltage G Circuit High

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Generic OBD-II
P262F

Sensor Reference Voltage G Circuit Range/Perfomance

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Generic OBD-II
P2630

O2 Sensor Pumping Current Trim Circuit Low Bank 2 Sensor 1

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Generic OBD-II
P2631

O2 Sensor Pumping Current Trim Circuit High Bank 2 Sensor 1

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Generic OBD-II
P2632

Tank-transfer pump open-load reporting depends on command state

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Generic OBD-II
P2633

Tank-transfer pump circuit-low evidence comes from the tank module

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Generic OBD-II
P2634

A transfer-pump circuit-high code is not a pressure-high code

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Generic OBD-II
P2635

Fuel-pump performance is judged by filtered pressure error

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Generic OBD-II
P2636

Transfer-pump performance is inferred from two fuel levels

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Generic OBD-II
P2637

the transmission received an invalid engine-torque message

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Generic OBD-II
P2638

Torque Management Feedback Signal A Range/Performance

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Generic OBD-II
P2639

Torque Management Feedback Signal A Low

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Generic OBD-II
P263A

MIL circuit low is assessed while the lamp driver is off

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Generic OBD-II
P263B

The MIL output remains high during an on command

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Generic OBD-II
P263C

Glow Plug Control Driver Performance

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Generic OBD-II
P263D

Reductant heater driver performance can be an electronics temperature fault

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Generic OBD-II
P263E

Glow Plug Control Module 1 Over Temperature

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Generic OBD-II
P263F

Glow Plug Control Module 2 Over Temperature

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Generic OBD-II
P2640

Torque Management Feedback Signal A High

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Generic OBD-II
P2641

Torque Management Feedback Signal B

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Generic OBD-II
P2642

Torque Management Feedback Signal B Range/Performance

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Generic OBD-II
P2643

Torque Management Feedback Signal B Low

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Generic OBD-II
P2644

Torque Management Feedback Signal B High

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Generic OBD-II
P2645

A Rocker Arm Actuator Control Circuit/Open Bank 1

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Generic OBD-II
P2646

A Rocker Arm Actuator System Performance/Stuck Off Bank 1

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Generic OBD-II
P2647

A Rocker Arm Actuator System Stuck On Bank 1

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Generic OBD-II
P2648

A Rocker Arm Actuator Control Circuit Low Bank 1

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Generic OBD-II
P2649

A Rocker Arm Actuator Control Circuit High Bank 1

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Generic OBD-II
P264A

A Rocker Arm Actuator Position Sensor Circuit Bank 1

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Generic OBD-II
P264B

A Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1

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Generic OBD-II
P264C

A Rocker Arm Actuator Position Sensor Circuit Low Bank 1

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Generic OBD-II
P264D

A Rocker Arm Actuator Position Sensor Circuit High Bank 1

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Generic OBD-II
P264E

A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1

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Generic OBD-II
P264F

An engine serial-number field left unprogrammed

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Generic OBD-II
P2650

B Rocker Arm Actuator Control Circuit/Open Bank 1

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Generic OBD-II
P2651

B Rocker Arm Actuator System Performance/Stuck Off Bank 1

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Generic OBD-II
P2652

B Rocker Arm Actuator System Stuck On Bank 1

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Generic OBD-II
P2653

B Rocker Arm Actuator Control Circuit Low Bank 1

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Generic OBD-II
P2654

B Rocker Arm Actuator Control Circuit High Bank 1

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Generic OBD-II
P2655

A Rocker Arm Actuator Control Circuit/Open Bank 2

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Generic OBD-II
P2656

A Rocker Arm Actuator System Performance/Stuck Off Bank 2

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Generic OBD-II
P2657

A Rocker Arm Actuator System Stuck On Bank 2

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Generic OBD-II
P2658

A Rocker Arm Actuator Control Circuit Low Bank 2

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Generic OBD-II
P2659

A Rocker Arm Actuator Control Circuit High Bank 2

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Generic OBD-II
P265A

B Rocker Arm Actuator Position Sensor Circuit Bank 1

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Generic OBD-II
P265B

B Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1

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Generic OBD-II
P265C

B Rocker Arm Actuator Position Sensor Circuit Low Bank 1

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Generic OBD-II
P265D

B Rocker Arm Actuator Position Sensor Circuit High Bank 1

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Generic OBD-II
P265E

B Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1

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Generic OBD-II
P265F

Variable A/C Compressor Control Circuit Range/Performance

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Generic OBD-II
P2660

B Rocker Arm Actuator Control Circuit/Open Bank 2

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Generic OBD-II
P2661

B Rocker Arm Actuator System Performance/Stuck Off Bank 2

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Generic OBD-II
P2662

B Rocker Arm Actuator System Stuck On Bank 2

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Generic OBD-II
P2663

B Rocker Arm Actuator Control Circuit Low Bank 2

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Generic OBD-II
P2664

B Rocker Arm Actuator Control Circuit High Bank 2

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Generic OBD-II
P2665

Fuel Shutoff Valve B Control Circuit/Open

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Generic OBD-II
P2666

Fuel Shutoff Valve B Control Circuit Low

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Generic OBD-II
P2667

Fuel Shutoff Valve B Control Circuit High

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Generic OBD-II
P2668

Fuel Mode Indicator Lamp Control Circuit

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Generic OBD-II
P2669

Actuator supply B open-load can be detected at shutdown

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Generic OBD-II
P266A

A Rocker Arm Actuator Position Sensor Circuit Bank 2

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Generic OBD-II
P266B

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

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Generic OBD-II
P266C

A Rocker Arm Actuator Position Sensor Circuit Low Bank 2

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Generic OBD-II
P266D

A Rocker Arm Actuator Position Sensor Circuit High Bank 2

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Generic OBD-II
P266E

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

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Generic OBD-II
P266F

A/C Refrigerant Distribution Valve A Control Circuit Driver Current/Temperature Too High

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Generic OBD-II
P2670

Transmission actuator supply B is low or electrically open

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Generic OBD-II
P2671

Supply B high is a shutdown switch test in this controller

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Generic OBD-II
P2672

Injection Pump Timing Offset

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Generic OBD-II
P2673

Injection Pump Timing Calibration Not Learned

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Generic OBD-II
P2674

Injection Pump Fuel Calibration Not Learned

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Generic OBD-II
P2675

Air Cleaner Inlet Control Circuit/Open

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Generic OBD-II
P2676

Air Cleaner Inlet Control Circuit Low

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Generic OBD-II
P2677

Air Cleaner Inlet Control Circuit High

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Generic OBD-II
P2678

Coolant Degassing Valve Control Circuit/Open

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Generic OBD-II
P2679

Coolant Degassing Valve Control Circuit Low

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Generic OBD-II
P267A

B Rocker Arm Actuator Position Sensor Circuit Bank 2

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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.