MANUFACTURER REFERENCE
Generic OBD-II code references — Page 60.
Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.
Generic OBD-II
P25F9
Turbocharger/Supercharger Bypass Valve C Control Circuit Low
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Generic OBD-II
P25FA
Turbocharger/Supercharger Bypass Valve C Control Circuit High
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Generic OBD-II
P25FB
Turbocharger/Supercharger Bypass Valve C Control Circuit Range/Performance
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Generic OBD-II
P25FC
Turbocharger/Supercharger Bypass Valve C – Mechanical
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Generic OBD-II
P25FD
Turbocharger/Supercharger Bypass Valve C Temperature Too High
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Generic OBD-II
P25FE
Supercharger Disconnect Clutch
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Generic OBD-II
P25FF
Electrical System Voltage Stabilizer Control Module Performance
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Generic OBD-II
P2600
Locate the monitored coolant-pump function before testing an open circuit
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Generic OBD-II
P2601
A pump A performance result is not the same as an open circuit
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Generic OBD-II
P2602
Low pump-control evidence must be separated from low supply voltage
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Generic OBD-II
P2603
Read a high coolant-pump control fault as driver evidence
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Generic OBD-II
P2604
Intake Air Heater A Circuit Range/Performance
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Generic OBD-II
P2605
Intake Air Heater B Circuit/Open
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Generic OBD-II
P2606
Intake Air Heater B Circuit Range/Performance
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Generic OBD-II
P2607
Intake Air Heater B Circuit Low
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Generic OBD-II
P2608
Intake Air Heater B Circuit High
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Generic OBD-II
P2609
Intake Air Heater System Performance
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Generic OBD-II
P260A
PTO Control Circuit/Open
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Generic OBD-II
P260B
PTO Control Circuit Low
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Generic OBD-II
P260C
PTO Control Circuit High
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Generic OBD-II
P260D
PTO Engaged Lamp Control Circuit
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Generic OBD-II
P260E
Particulate Filter Regeneration Lamp Control Circuit
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Generic OBD-II
P260F
EVAP processor performance is separate from a measured tank leak
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Generic OBD-II
P2610
An unreliable off timer can distort a cold-soak diagnosis
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Generic OBD-II
P2611
A/C Refrigerant Distribution Valve A Control Circuit/Open
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Generic OBD-II
P2612
N280 compressor-valve wiring can explain an inactive air conditioner
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Generic OBD-II
P2613
A/C Refrigerant Distribution Valve A Control Circuit High
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Generic OBD-II
P2614
Ford 6.0L FICM loses camshaft-position synchronization
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Generic OBD-II
P2615
Cam-position output circuit remains low when high is commanded
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Generic OBD-II
P2616
Cam-position output driver reports a short toward supply
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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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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.