MANUFACTURER REFERENCE
Generic OBD-II code references — Page 62.
Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.
Generic OBD-II
P26C1
Engine Coolant Bypass Valve D Range/Performance
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Generic OBD-II
P26C2
Low-side coolant-valve position must also miss its target
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Generic OBD-II
P26C3
Internal range supervision preserves A, B and correlation distinctions
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Generic OBD-II
P26C4
Clutch-pedal supervision can identify a channel or a disagreement
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Generic OBD-II
P26C5
An exhaust-valve open report is different from a stuck-valve result
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Generic OBD-II
P26C6
A low exhaust-valve circuit report must retain the bank1 identity
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Generic OBD-II
P26C7
A high exhaust-valve circuit is separate from a stuck position
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Generic OBD-II
P26C8
a received warning request points to another controller’s findings
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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
Pump overspeed is a filtered mismatch, not proof of trapped air
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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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Generic OBD-II
P26DF
Sensor Power Supply D Circuit/Open
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Generic OBD-II
P26E0
Sensor Power Supply D Circuit Low
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Generic OBD-II
P26E1
Sensor Power Supply D Circuit High
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Generic OBD-II
P26E2
Fuel Mode Indicator Lamp Control Circuit Low
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Generic OBD-II
P26E3
Fuel Mode Indicator Lamp Control Circuit High
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Generic OBD-II
P26E4
Starter pinion-relay open circuit is checked with power commanded on
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Generic OBD-II
P26E5
Low pinion-relay feedback uses its own starting-voltage boundary
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Generic OBD-II
P26E6
An off-state starter-relay signal remains powered
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Generic OBD-II
P26E7
Supply D open-load may be discovered only when shutting down
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Generic OBD-II
P26E8
Supply D circuit low includes a high-current failure branch
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Generic OBD-II
P26E9
Supply D high describes an HSO8 shutdown-state failure
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Generic OBD-II
P26EA
Pump B internal-error feedback is not lost communication
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Generic OBD-II
P26EB
Alternative Fuel Control Module System Voltage
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Generic OBD-II
P26EC
Engine Sound Control B Circuit/Open
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Generic OBD-II
P26ED
Engine Sound Control B Circuit Low
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Generic OBD-II
P26EE
Engine Sound Control B Circuit High
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Generic OBD-II
P26EF
Engine Sound Control B Circuit Performance
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Generic OBD-II
P26F0
Starter Relay A Stuck On
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Generic OBD-II
P26F1
Starter Relay A Stuck Off
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Generic OBD-II
P26F2
Starter Relay B Stuck On
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Generic OBD-II
P26F3
Starter Relay B Stuck Off
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Generic OBD-II
P26F4
Coolant Pump C Control Circuit/Open
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Generic OBD-II
P26F5
Coolant Pump C Control Circuit Low
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Generic OBD-II
P26F6
Coolant Pump C Control Circuit High
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Generic OBD-II
P26F7
Coolant Pump C Supply Voltage Circuit
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Generic OBD-II
P26F8
Coolant Pump C Stuck/Stalled
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Generic OBD-II
P26F9
Coolant Pump C Control Module Overtemperature
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Generic OBD-II
P26FA
Coolant pump C exceeds an absolute speed limit
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Generic OBD-II
P26FB
EGR bypass stuck closed: restricted vacuum supply versus valve damage
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Generic OBD-II
P26FC
EGR Cooler Bypass Control Stuck Closed Bank 2
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Generic OBD-II
P26FD
A/C Compressor Internal Control Module Performance
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Generic OBD-II
P26FE
Exhaust-valve performance includes position and reported-state evidence
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Generic OBD-II
P26FF
Auto Configuration Throttle Input Not Present Bank 2
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Generic OBD-II
P2700
Ford 5R110W coast clutch fails its functional check
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Generic OBD-II
P2701
Ford 10R80 clutch leakage requires a measured diagnosis
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Generic OBD-II
P2702
Ford 5R110W intermediate clutch functional failure
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Generic OBD-II
P2703
Ford 5R110W direct clutch on/off performance fault
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Generic OBD-II
P2704
Ford 5R110W low/reverse clutch functional fault
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Generic OBD-II
P2705
Transmission Friction Element F Apply Time Range/Performance
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Generic OBD-II
P2706
the Jeep multi-select solenoid continuity check
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Generic OBD-II
P2707
Solenoid F failed-off monitoring evaluates response history
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Generic OBD-II
P2708
A functionally failed-on F result is judged against the requested state
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Generic OBD-II
P2709
The F electrical code has architecture-dependent detail in Ford’s tables
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Generic OBD-II
P270A
Transmission Friction Element A Temperature Too High
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Generic OBD-II
P270B
Transmission Friction Element B Temperature Too High
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Generic OBD-II
P270C
Transmission Friction Element C Temperature Too High
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Generic OBD-II
P270D
Transmission Friction Element D Temperature Too High
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Generic OBD-II
P270E
Transmission Friction Element E Temperature Too High
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Generic OBD-II
P270F
Transmission Friction Element F Temperature Too High
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Generic OBD-II
P2710
The Ford F-channel tables disagree on the displayed failure mapping
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Generic OBD-II
P2711
DSG gear disengagement needs speed and fault-subtype evidence
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Generic OBD-II
P2712
CW6A-EL hydraulic support during i-stop
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Generic OBD-II
P2713
Electronic pressure-control valve 4 in the BMW transmission
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Generic OBD-II
P2714
CVT forward-clutch pressure control fails hydraulically off
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Generic OBD-II
P2715
GR10 clutch C4 retains hydraulic holding pressure when released
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Generic OBD-II
P2716
solenoid D electrical diagnosis accumulates current-tracking error
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Generic OBD-II
P2717
Pressure Control Solenoid D Intermittent
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Generic OBD-II
P2718
Solenoid D control circuit has an open electrical path
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Generic OBD-II
P2719
solenoid D performance is checked during a stable current command
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Generic OBD-II
P271A
Park Pawl Position Sensor A Circuit Low
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Generic OBD-II
P271B
Park Pawl Position Sensor A Circuit High
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Generic OBD-II
P271C
Park Pawl Position Sensor B Circuit Low
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Generic OBD-II
P271D
Park Pawl Position Sensor B Circuit High
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Generic OBD-II
P271E
Transmission Performance
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Generic OBD-II
P271F
Electronic Gear Shift - Position Not Learned
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Generic OBD-II
P2720
Solenoid D control circuit indicates a ground short
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Generic OBD-II
P2721
Solenoid D control circuit detects a short to voltage
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Generic OBD-II
P2722
Pressure Control Solenoid E
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Generic OBD-II
P2723
CVT torque-converter clutch does not achieve its requested coupling
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Generic OBD-II
P2724
CVT torque-converter clutch remains coupled when release is expected
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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.