THE CODE DIRECTORY
Diagnostic code references — Page 89.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
P2766
Input/Turbine Shaft Speed Sensor B Circuit Range/Performance
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Generic OBD-II
P2767
Input/Turbine Shaft Speed Sensor B Circuit No Signal
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Generic OBD-II
P2768
Input/Turbine Shaft Speed Sensor B Circuit Intermittent
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Generic OBD-II
P2769
Torque Converter Clutch Circuit Low
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Generic OBD-II
P276A
Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit/Open
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Generic OBD-II
P276B
Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit Low
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Generic OBD-II
P276C
Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit High
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Generic OBD-II
P276D
Electric/Auxiliary Transmission Fluid Pump B Motor Current
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Generic OBD-II
P276E
Electric/Auxiliary Transmission Fluid Pump B Motor Current Low
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Generic OBD-II
P276F
Electric/Auxiliary Transmission Fluid Pump B Motor Current High
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Generic OBD-II
P2770
Torque Converter Clutch Circuit High
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Generic OBD-II
P2771
Four Wheel Drive (4WD) Low Switch Circuit
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Generic OBD-II
P2772
Four Wheel Drive (4WD) Low Switch Circuit Range/Performance
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Generic OBD-II
P2773
Four Wheel Drive (4WD) Low Switch Circuit Low
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Generic OBD-II
P2774
Four Wheel Drive (4WD) Low Switch Circuit High
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Generic OBD-II
P2775
Upshift Switch Circuit Range/Performance
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Generic OBD-II
P2776
Upshift Switch Circuit Low
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Generic OBD-II
P2777
Upshift Switch Circuit High
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Generic OBD-II
P2778
Upshift Switch Circuit Intermittent/Erratic
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Generic OBD-II
P2779
Downshift Switch Circuit Range/Performance
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Generic OBD-II
P277A
Electric/Auxiliary Transmission Fluid Pump B Hydraulic Leakage
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Generic OBD-II
P277B
Electric/Auxiliary Transmission Fluid Pump B Driver Circuit Performance
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Generic OBD-II
P277C
Electric/Auxiliary Transmission Fluid Pump B Motor Stalled
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Generic OBD-II
P277D
Electric/Auxiliary Transmission Fluid Pump B Motor Over Temperature
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Generic OBD-II
P277E
Clutch A Unexpected Mechanical Gear Disengagement
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Generic OBD-II
P277F
Clutch B Unexpected Mechanical Gear Disengagement
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Generic OBD-II
P2780
Downshift Switch Circuit Low
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Generic OBD-II
P2781
Downshift Switch Circuit High
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Generic OBD-II
P2782
Downshift Switch Circuit Intermittent/Erratic
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Generic OBD-II
P2783
Torque Converter Temperature Too High
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Generic OBD-II
P2784
Input/Turbine Speed Sensor A/B Correlation
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Generic OBD-II
P2785
Clutch Actuator Temperature Too High
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Generic OBD-II
P2786
Gear Shift Actuator Temperature Too High
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Generic OBD-II
P2787
Clutch A Temperature Too High
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Generic OBD-II
P2788
Auto Shift Manual Adaptive Learning at Limit
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Generic OBD-II
P2789
Clutch A Adaptive Learning at Limit
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Generic OBD-II
P278A
Kick Down Switch Circuit
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Generic OBD-II
P278B
Kick Down Switch Circuit Range/Performance
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Generic OBD-II
P278C
Kick Down Switch Circuit Low
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Generic OBD-II
P278D
Kick Down Switch Circuit High
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Generic OBD-II
P278E
Kick Down Switch Circuit Intermittent/Erratic
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Generic OBD-II
P278F
Clutch B Adaptive Learning at Limit
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Generic OBD-II
P2790
Gate Select Direction Circuit
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Generic OBD-II
P2791
Gate Select Direction Circuit Low
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Generic OBD-II
P2792
Gate Select Direction Circuit High
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Generic OBD-II
P2793
Gear Shift Direction Circuit
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Generic OBD-II
P2794
Gear Shift Direction Circuit Low
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Generic OBD-II
P2795
Gear Shift Direction Circuit High
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Generic OBD-II
P2796
Electric/Auxiliary Transmission Fluid Pump A Control Circuit/Open
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Generic OBD-II
P2797
Electric/Auxiliary Transmission Fluid Pump A Performance/Stuck Off
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Generic OBD-II
P2798
Electric/Auxiliary Transmission Fluid Pump A Control Circuit Low
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Generic OBD-II
P2799
Electric/Auxiliary Transmission Fluid Pump A Control Circuit High
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Generic OBD-II
P279A
Transfer Case Gear High Incorrect Ratio
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Generic OBD-II
P279B
Transfer Case Gear Low Incorrect Ratio
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Generic OBD-II
P279C
Transfer Case Gear Neutral Incorrect Ratio
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Generic OBD-II
P279D
Four Wheel Drive (4WD) Range Signal Circuit
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Generic OBD-II
P279E
Four Wheel Drive (4WD) Range Signal Circuit Range/Performance
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Generic OBD-II
P279F
Four Wheel Drive (4WD) Range Signal Circuit Low
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Generic OBD-II
P27A0
Four Wheel Drive (4WD) Range Signal Circuit High
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Generic OBD-II
P27A1
Electric/Auxiliary Transmission Fluid Pump A Stuck On
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Generic OBD-II
P27A2
Electric/Auxiliary Transmission Fluid Pump B Control Circuit/Open
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Generic OBD-II
P27A3
Electric/Auxiliary Transmission Fluid Pump B Performance/Stuck Off
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Generic OBD-II
P27A4
Electric/Auxiliary Transmission Fluid Pump B Control Circuit Low
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Generic OBD-II
P27A5
Electric/Auxiliary Transmission Fluid Pump B Control Circuit High
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Generic OBD-II
P27A6
Electric/Auxiliary Transmission Fluid Pump B Stuck On
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Generic OBD-II
P27A7
Pressure Control Solenoid A Data Incompatible
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Generic OBD-II
P27A8
Pressure Control Solenoid B Data Incompatible
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Generic OBD-II
P27A9
Pressure Control Solenoid C Data Incompatible
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Generic OBD-II
P27AA
Pressure Control Solenoid D Data Incompatible
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Generic OBD-II
P27AB
Pressure Control Solenoid E Data Incompatible
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Generic OBD-II
P27AC
Pressure Control Solenoid F Data Incompatible
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Generic OBD-II
P27AD
Pressure Control Solenoid G Data Incompatible
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Generic OBD-II
P27AE
Pressure Control Solenoid H Data Incompatible
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Generic OBD-II
P27AF
Pressure Control Solenoid J Data Incompatible
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Generic OBD-II
P27B0
Pressure Control Solenoid K Data Incompatible
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Generic OBD-II
P27B1
Internal Control Module Transmission Range Select Performance
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Generic OBD-II
P27B2
Internal Control Module Transmission Range Control Performance
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Generic OBD-II
P27B3
Internal Control Module Transmission Gear Select Performance
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Generic OBD-II
P27B4
Internal Control Module Transmission Gear Direction Control Performance
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Generic OBD-II
P27B5
Internal Control Module Transmission Gear Ratio Control Performance
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Generic OBD-II
P27B6
Internal Control Module Transmission Speed Sensor Performance
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Generic OBD-II
P27B9
Pressure Control Solenoid N Performance/Stuck Off
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Generic OBD-II
P27BA
Pressure Control Solenoid N Stuck On
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Generic OBD-II
P27BB
Pressure Control Solenoid N Electrical
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Generic OBD-II
P27BC
Pressure Control Solenoid N Intermittent
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Generic OBD-II
P27BD
Pressure Control Solenoid N Control Circuit/Open
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Generic OBD-II
P27BE
Pressure Control Solenoid N Control Circuit Range/Performance
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Generic OBD-II
P27BF
Pressure Control Solenoid N Control Circuit Low
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Generic OBD-II
P27C0
Pressure Control Solenoid N Control Circuit High
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Generic OBD-II
P27C1
Pressure Control Solenoid P Performance/Stuck Off
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Generic OBD-II
P27C2
Pressure Control Solenoid P Stuck On
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Generic OBD-II
P27C3
Pressure Control Solenoid P Electrical
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Generic OBD-II
P27C4
Pressure Control Solenoid P Intermittent
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Generic OBD-II
P27C5
Pressure Control Solenoid P Control Circuit/Open
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Generic OBD-II
P27C6
Pressure Control Solenoid P Control Circuit Range/Performance
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Generic OBD-II
P27C7
Pressure Control Solenoid P Control Circuit Low
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Generic OBD-II
P27C8
Pressure Control Solenoid P Control Circuit High
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Generic OBD-II
P27C9
Pressure Control Solenoid R Performance/Stuck Off
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Generic OBD-II
P27CA
Pressure Control Solenoid R Stuck On
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Generic OBD-II
P27CB
Pressure Control Solenoid R Electrical
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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.