P CODE FAMILY
Powertrain code references — Page 24.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
Generic OBD-II
P0918
Gear Shift Position Circuit A Intermittent
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Generic OBD-II
P0919
Gear Shift Position Control Error
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Generic OBD-II
P091A
Gear Shift Position Circuit B
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Generic OBD-II
P091B
Gear Shift Position Circuit B Range/Performance
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Generic OBD-II
P091C
Gear Shift Position Circuit B Low
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Generic OBD-II
P091D
Gear Shift Position Circuit B High
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Generic OBD-II
P0920
Gear Shift Forward Actuator Circuit/Open
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Generic OBD-II
P0921
Gear Shift Forward Actuator Circuit Range/Performance
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Generic OBD-II
P0922
Gear Shift Forward Actuator Circuit Low
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Generic OBD-II
P0923
Gear Shift Forward Actuator Circuit High
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Generic OBD-II
P0924
Gear Shift Reverse Actuator Circuit/Open
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Generic OBD-II
P0925
Gear Shift Reverse Actuator Circuit Range/Performance
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Generic OBD-II
P0926
Gear Shift Reverse Actuator Circuit Low
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Generic OBD-II
P0927
Gear Shift Reverse Actuator Circuit High
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Generic OBD-II
P0928
Gear Shift Lock Solenoid/Actuator Control Circuit A/Open
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Generic OBD-II
P0929
Gear Shift Lock Solenoid/Actuator Control Circuit A Range/Performance
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Generic OBD-II
P092A
Gear Shift Lock Solenoid/Actuator Control Circuit B/Open
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Generic OBD-II
P092B
Gear Shift Lock Solenoid/Actuator Control Circuit B Range/Performance
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Generic OBD-II
P092C
Gear Shift Lock Solenoid/Actuator Control Circuit B Low
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Generic OBD-II
P092D
Gear Shift Lock Solenoid/Actuator Control Circuit B High
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Generic OBD-II
P0930
Gear Shift Lock Solenoid/Actuator Control Circuit A Low
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Generic OBD-II
P0931
Gear Shift Lock Solenoid/Actuator Control Circuit A High
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Generic OBD-II
P0932
Hydraulic Pressure Sensor Circuit
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Generic OBD-II
P0933
Hydraulic Pressure Sensor Range/Performance
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Generic OBD-II
P0934
Hydraulic Pressure Sensor Circuit Low
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Generic OBD-II
P0935
Hydraulic Pressure Sensor Circuit High
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Generic OBD-II
P0936
Hydraulic Pressure Sensor Circuit Intermittent
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Generic OBD-II
P0937
Hydraulic Oil Temperature Sensor Circuit
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Generic OBD-II
P0938
Hydraulic Oil Temperature Sensor Range/Performance
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Generic OBD-II
P0939
Hydraulic Oil Temperature Sensor Circuit Low
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Generic OBD-II
P093A
Hydraulic Accumulator Solenoid Circuit/Open
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Generic OBD-II
P093B
Hydraulic Accumulator Solenoid Circuit Low
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Generic OBD-II
P093C
Hydraulic Accumulator Solenoid Circuit High
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Generic OBD-II
P093D
Hydraulic Accumulator Solenoid Performance
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Generic OBD-II
P0940
Hydraulic Oil Temperature Sensor Circuit High
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Generic OBD-II
P0941
Hydraulic Oil Temperature Sensor Circuit Intermittent
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Generic OBD-II
P0942
Hydraulic Pressure Unit
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Generic OBD-II
P0943
Hydraulic Pressure Unit Cycling Period Too Short
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Generic OBD-II
P0944
Hydraulic Pressure Unit Loss of Pressure
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Generic OBD-II
P0945
Hydraulic Pump Relay/Control Circuit/Open
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Generic OBD-II
P0946
Hydraulic Pump Relay/Control Circuit Range/Performance
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Generic OBD-II
P0947
Hydraulic Pump Relay/Control Circuit Low
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Generic OBD-II
P0948
Hydraulic Pump Relay/Control Circuit High
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Generic OBD-II
P0949
Auto Shift Manual Adaptive Learning Not Complete
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Generic OBD-II
P094A
Hydraulic Pump Driver Performance
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Generic OBD-II
P094B
Hydraulic Pump Stuck On
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Generic OBD-II
P094C
Hydraulic Pump Performance/Stuck Off
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Generic OBD-II
P094D
Hydraulic Pump Over Temperature
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Generic OBD-II
P094E
Hydraulic Pump Supply Voltage Circuit/Open
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Generic OBD-II
P0950
Auto Shift Manual Control Circuit
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Generic OBD-II
P0951
Auto Shift Manual Control Circuit Range/Performance
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Generic OBD-II
P0952
Auto Shift Manual Control Circuit Low
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Generic OBD-II
P0953
Auto Shift Manual Control Circuit High
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Generic OBD-II
P0954
Auto Shift Manual Control Circuit Intermittent
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Generic OBD-II
P0955
Auto Shift Manual Mode Circuit
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Generic OBD-II
P0956
Auto Shift Manual Mode Circuit Range/Performance
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Generic OBD-II
P0957
Auto Shift Manual Mode Circuit Low
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Generic OBD-II
P0958
Auto Shift Manual Mode Circuit High
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Generic OBD-II
P0959
Auto Shift Manual Mode Circuit Intermittent
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Generic OBD-II
P095A
Gear Shift Position Circuit C
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Generic OBD-II
P095B
Gear Shift Position Circuit C Range/Performance
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Generic OBD-II
P095C
Gear Shift Position Circuit C Low
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Generic OBD-II
P095D
Gear Shift Position Circuit C High
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Generic OBD-II
P0960
Pressure Control Solenoid A Control Circuit/Open
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Generic OBD-II
P0961
Pressure Control Solenoid A Control Circuit Range/Performance
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Generic OBD-II
P0962
Pressure Control Solenoid A Control Circuit Low
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Generic OBD-II
P0963
Pressure Control Solenoid A Control Circuit High
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Generic OBD-II
P0964
Pressure Control Solenoid B Control Circuit/Open
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Generic OBD-II
P0965
Pressure Control Solenoid B Control Circuit Range/Performance
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Generic OBD-II
P0966
Pressure Control Solenoid B Control Circuit Low
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Generic OBD-II
P0967
Pressure Control Solenoid B Control Circuit High
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Generic OBD-II
P0968
Pressure Control Solenoid C Control Circuit/Open
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Generic OBD-II
P0969
Pressure Control Solenoid C Control Circuit Range/Performance
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Generic OBD-II
P0970
Pressure Control Solenoid C Control Circuit Low
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Generic OBD-II
P0971
Pressure Control Solenoid C Control Circuit High
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Generic OBD-II
P0972
Shift Solenoid A Control Circuit Range/Performance
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Generic OBD-II
P0973
Shift Solenoid A Control Circuit Low
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Generic OBD-II
P0974
Shift Solenoid A Control Circuit High
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Generic OBD-II
P0975
Shift Solenoid B Control Circuit Range/Performance
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Generic OBD-II
P0976
Shift Solenoid B Control Circuit Low
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Generic OBD-II
P0977
Shift Solenoid B Control Circuit High
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Generic OBD-II
P0978
Shift Solenoid C Control Circuit Range/Performance
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Generic OBD-II
P0979
Shift Solenoid C Control Circuit Low
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Generic OBD-II
P097A
Shift Solenoid A Control Circuit/Open
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Generic OBD-II
P097B
Shift Solenoid B Control Circuit/Open
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Generic OBD-II
P097C
Shift Solenoid C Control Circuit/Open
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Generic OBD-II
P097D
Shift Solenoid D Control Circuit/Open
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Generic OBD-II
P097E
Shift Solenoid E Control Circuit/Open
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Generic OBD-II
P097F
Shift Solenoid F Control Circuit/Open
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Generic OBD-II
P0980
Shift Solenoid C Control Circuit High
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Generic OBD-II
P0981
Shift Solenoid D Control Circuit Range/Performance
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Generic OBD-II
P0982
Shift Solenoid D Control Circuit Low
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Generic OBD-II
P0983
Shift Solenoid D Control Circuit High
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Generic OBD-II
P0984
Shift Solenoid E Control Circuit Range/Performance
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Generic OBD-II
P0985
Shift Solenoid E Control Circuit Low
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Generic OBD-II
P0986
Shift Solenoid E Control Circuit High
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Generic OBD-II
P0987
Transmission Fluid Pressure Sensor/Switch E Circuit
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Generic OBD-II
P0988
Transmission Fluid Pressure Sensor/Switch E Circuit Range/Performance
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Generic OBD-II
P0989
Transmission Fluid Pressure Sensor/Switch E Circuit Low
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Generic OBD-II
P0990
Transmission Fluid Pressure Sensor/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.