P CODE FAMILY
Powertrain code references — Page 20.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
Generic OBD-II
P0770
Shift Solenoid E
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Generic OBD-II
P0771
Shift Solenoid E Performance/Stuck Off
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Generic OBD-II
P0772
Shift Solenoid E Stuck On
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Generic OBD-II
P0773
Shift Solenoid E Electrical
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Generic OBD-II
P0774
Shift Solenoid E Intermittent
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Generic OBD-II
P0775
Pressure Control Solenoid B
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Generic OBD-II
P0776
Pressure Control Solenoid B Performance/Stuck Off
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Generic OBD-II
P0777
Pressure Control Solenoid B Stuck On
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Generic OBD-II
P0778
Pressure Control Solenoid B Electrical
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Generic OBD-II
P0779
Pressure Control Solenoid B Intermittent
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Generic OBD-II
P077A
Output Shaft Speed Sensor Circuit - Loss of Direction Signal
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Generic OBD-II
P077B
Output Shaft Speed Sensor Circuit - Direction Error
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Generic OBD-II
P077C
Output Shaft Speed Sensor Circuit Low
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Generic OBD-II
P077D
Output Shaft Speed Sensor Circuit High
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Generic OBD-II
P077E
Transmission Fluid Temperature Measurement System - Multiple Sensor Correlation
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Generic OBD-II
P077F
Reverse 2 Incorrect Ratio
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Generic OBD-II
P0780
Shift Error
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Generic OBD-II
P0781
1-2 Shift
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Generic OBD-II
P0782
2-3 Shift
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Generic OBD-II
P0783
3-4 Shift
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Generic OBD-II
P0784
4-5 Shift
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Generic OBD-II
P0785
Shift Timing Solenoid A
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Generic OBD-II
P0786
Shift Timing Solenoid A Range/Performance
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Generic OBD-II
P0787
Shift Timing Solenoid A Low
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Generic OBD-II
P0788
Shift Timing Solenoid A High
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Generic OBD-II
P0789
Shift Timing Solenoid A Intermittent
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Generic OBD-II
P078A
Shift Timing Solenoid B
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Generic OBD-II
P078B
Shift Timing Solenoid B Range/Performance
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Generic OBD-II
P078C
Shift Timing Solenoid B Low
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Generic OBD-II
P078D
Shift Timing Solenoid B High
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Generic OBD-II
P078E
Shift Timing Solenoid B Intermittent
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Generic OBD-II
P078F
Transmission Mode Switch C Circuit
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Generic OBD-II
P0790
Normal/Performance Switch Circuit
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Generic OBD-II
P0791
Intermediate Shaft Speed Sensor A Circuit
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Generic OBD-II
P0792
Intermediate Shaft Speed Sensor A Circuit Range/Performance
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Generic OBD-II
P0793
Intermediate Shaft Speed Sensor A Circuit No Signal
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Generic OBD-II
P0794
Intermediate Shaft Speed Sensor A Circuit Intermittent
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Generic OBD-II
P0795
Pressure Control Solenoid C
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Generic OBD-II
P0796
Pressure Control Solenoid C Performance/Stuck Off
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Generic OBD-II
P0797
Pressure Control Solenoid C Stuck On
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Generic OBD-II
P0798
Pressure Control Solenoid C Electrical
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Generic OBD-II
P0799
Pressure Control Solenoid C Intermittent
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Generic OBD-II
P079A
Transmission Friction Element A Slip Detected
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Generic OBD-II
P079B
Transmission Friction Element B Slip Detected
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Generic OBD-II
P079C
Transmission Friction Element C Slip Detected
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Generic OBD-II
P079D
Transmission Friction Element D Slip Detected
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Generic OBD-II
P079E
Transmission Friction Element E Slip Detected
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Generic OBD-II
P079F
Transmission Friction Element F Slip Detected
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Generic OBD-II
P07A0
Transmission Friction Element G Slip Detected
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Generic OBD-II
P07A1
Transmission Friction Element H Slip Detected
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Generic OBD-II
P07A2
Transmission Friction Element A Performance/Stuck Off
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Generic OBD-II
P07A3
Transmission Friction Element A Stuck On
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Generic OBD-II
P07A4
Transmission Friction Element B Performance/Stuck Off
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Generic OBD-II
P07A5
Transmission Friction Element B Stuck On
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Generic OBD-II
P07A6
Transmission Friction Element C Performance/Stuck Off
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Generic OBD-II
P07A7
Transmission Friction Element C Stuck On
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Generic OBD-II
P07A8
Transmission Friction Element D Performance/Stuck Off
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Generic OBD-II
P07A9
Transmission Friction Element D Stuck On
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Generic OBD-II
P07AA
Transmission Friction Element E Performance/Stuck Off
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Generic OBD-II
P07AB
Transmission Friction Element E Stuck On
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Generic OBD-II
P07AC
Transmission Friction Element F Performance/Stuck Off
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Generic OBD-II
P07AD
Transmission Friction Element F Stuck On
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Generic OBD-II
P07AE
Transmission Friction Element G Performance/Stuck Off
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Generic OBD-II
P07AF
Transmission Friction Element G Stuck On
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Generic OBD-II
P07B0
Transmission Friction Element H Performance/Stuck Off
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Generic OBD-II
P07B1
Transmission Friction Element H Stuck On
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Generic OBD-II
P07B2
Transmission Park Position Sensor/Switch A Circuit/Open
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Generic OBD-II
P07B3
Transmission Park Position Sensor/Switch A Circuit Low
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Generic OBD-II
P07B4
Transmission Park Position Sensor/Switch A Circuit High
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Generic OBD-II
P07B5
Transmission Park Position Sensor/Switch A Circuit Performance/Low
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Generic OBD-II
P07B6
Transmission Park Position Sensor/Switch A Circuit Performance High
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Generic OBD-II
P07B7
Transmission Park Position Sensor/Switch A Circuit Intermittent/Erratic
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Generic OBD-II
P07B8
Transmission Park Position Sensor/Switch B Circuit/Open
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Generic OBD-II
P07B9
Transmission Park Position Sensor/Switch B Circuit Low
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Generic OBD-II
P07BA
Transmission Park Position Sensor/Switch B Circuit High
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Generic OBD-II
P07BB
Transmission Park Position Sensor/Switch B Circuit Performance/Low
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Generic OBD-II
P07BC
Transmission Park Position Sensor/Switch B Circuit Performance High
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Generic OBD-II
P07BD
Transmission Park Position Sensor/Switch B Circuit Intermittent/Erratic
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Generic OBD-II
P07BE
Transmission Park Position Sensor/Switch A/B Correlation
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Generic OBD-II
P07BF
Input/Turbine Shaft Speed Sensor A Circuit Low
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Generic OBD-II
P07C0
Input/Turbine Shaft Speed Sensor A Circuit High
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Generic OBD-II
P07C1
Input/Turbine Shaft Speed Sensor B Circuit Low
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Generic OBD-II
P07C2
Input/Turbine Shaft Speed Sensor B Circuit High
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Generic OBD-II
P07C3
Input/Turbine Shaft Speed Sensor C Circuit Low
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Generic OBD-II
P07C4
Input/Turbine Shaft Speed Sensor C Circuit High
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Generic OBD-II
P07C5
Intermediate Shaft Speed Sensor A Circuit Low
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Generic OBD-II
P07C6
Intermediate Shaft Speed Sensor A Circuit High
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Generic OBD-II
P07C7
Intermediate Shaft Speed Sensor B Circuit Low
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Generic OBD-II
P07C8
Intermediate Shaft Speed Sensor B Circuit High
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Generic OBD-II
P07C9
Intermediate Shaft Speed Sensor C Circuit Low
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Generic OBD-II
P07CA
Intermediate Shaft Speed Sensor C Circuit High
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Generic OBD-II
P07CB
Transmission Fluid Thermostat Performance
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Generic OBD-II
P07CC
Transmission Mode Switch C Circuit Low
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Generic OBD-II
P07CD
Transmission Mode Switch C Circuit High
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Generic OBD-II
P07CE
Transmission Mode Switch D Circuit
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Generic OBD-II
P07CF
Transmission Mode Switch D Circuit Low
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Generic OBD-II
P07D0
Transmission Mode Switch D Circuit High
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Generic OBD-II
P07D1
Transmission Mode Switch E Circuit
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Generic OBD-II
P07D2
Transmission Mode Switch E Circuit Low
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Generic OBD-II
P07D3
Transmission Mode Switch E Circuit High
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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.