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
PowertrainRead the code
Generic OBD-II
P0919
Gear Shift Position Control Error
PowertrainRead the code
Generic OBD-II
P091A
Gear Shift Position Circuit B
PowertrainRead the code
Generic OBD-II
P091B
Gear Shift Position Circuit B Range/Performance
PowertrainRead the code
Generic OBD-II
P091C
Gear Shift Position Circuit B Low
PowertrainRead the code
Generic OBD-II
P091D
Gear Shift Position Circuit B High
PowertrainRead the code
Generic OBD-II
P0920
Gear Shift Forward Actuator Circuit/Open
PowertrainRead the code
Generic OBD-II
P0921
Gear Shift Forward Actuator Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0922
Gear Shift Forward Actuator Circuit Low
PowertrainRead the code
Generic OBD-II
P0923
Gear Shift Forward Actuator Circuit High
PowertrainRead the code
Generic OBD-II
P0924
Gear Shift Reverse Actuator Circuit/Open
PowertrainRead the code
Generic OBD-II
P0925
Gear Shift Reverse Actuator Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0926
Gear Shift Reverse Actuator Circuit Low
PowertrainRead the code
Generic OBD-II
P0927
Gear Shift Reverse Actuator Circuit High
PowertrainRead the code
Generic OBD-II
P0928
Chrysler 300 rotary-shifter lock and module identification
PowertrainRead article
Generic OBD-II
P0929
F-150 console shifter faults need wiring inspection and module setup
PowertrainRead article
Generic OBD-II
P092A
Gear Shift Lock Solenoid/Actuator Control Circuit B/Open
PowertrainRead the code
Generic OBD-II
P092B
Gear Shift Lock Solenoid/Actuator Control Circuit B Range/Performance
PowertrainRead the code
Generic OBD-II
P092C
Gear Shift Lock Solenoid/Actuator Control Circuit B Low
PowertrainRead the code
Generic OBD-II
P092D
Gear Shift Lock Solenoid/Actuator Control Circuit B High
PowertrainRead the code
Generic OBD-II
P0930
Gear Shift Lock Solenoid/Actuator Control Circuit A Low
PowertrainRead the code
Generic OBD-II
P0931
Gear Shift Lock Solenoid/Actuator Control Circuit A High
PowertrainRead the code
Generic OBD-II
P0932
an electrical limit in Jeep line-pressure feedback
PowertrainRead article
Generic OBD-II
P0933
Hydraulic Pressure Sensor Range/Performance
PowertrainRead the code
Generic OBD-II
P0934
SMG hydraulic-pressure sensor voltage falls below its limit
PowertrainRead article
Generic OBD-II
P0935
SMG pressure-sensor input exceeds 4.7 volts
PowertrainRead article
Generic OBD-II
P0936
Hydraulic Pressure Sensor Circuit Intermittent
PowertrainRead the code
Generic OBD-II
P0937
Hydraulic Oil Temperature Sensor Circuit
PowertrainRead the code
Generic OBD-II
P0938
Hydraulic Oil Temperature Sensor Range/Performance
PowertrainRead the code
Generic OBD-II
P0939
Hydraulic Oil Temperature Sensor Circuit Low
PowertrainRead the code
Generic OBD-II
P093A
Hydraulic Accumulator Solenoid Circuit/Open
PowertrainRead the code
Generic OBD-II
P093B
Hydraulic Accumulator Solenoid Circuit Low
PowertrainRead the code
Generic OBD-II
P093C
Hydraulic Accumulator Solenoid Circuit High
PowertrainRead the code
Generic OBD-II
P093D
Hydraulic Accumulator Solenoid Performance
PowertrainRead the code
Generic OBD-II
P0940
Hydraulic Oil Temperature Sensor Circuit High
PowertrainRead the code
Generic OBD-II
P0941
Hydraulic Oil Temperature Sensor Circuit Intermittent
PowertrainRead the code
Generic OBD-II
P0942
Hydraulic Pressure Unit
PowertrainRead the code
Generic OBD-II
P0943
Hydraulic Pressure Unit Cycling Period Too Short
PowertrainRead the code
Generic OBD-II
P0944
Mercedes auxiliary transmission-pump fault and the converter-housing check valve
PowertrainRead article
Generic OBD-II
P0945
Hydraulic Pump Relay/Control Circuit/Open
PowertrainRead the code
Generic OBD-II
P0946
Hydraulic Pump Relay/Control Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0947
Hydraulic Pump Relay/Control Circuit Low
PowertrainRead the code
Generic OBD-II
P0948
Hydraulic Pump Relay/Control Circuit High
PowertrainRead the code
Generic OBD-II
P0949
Auto Shift Manual Adaptive Learning Not Complete
PowertrainRead the code
Generic OBD-II
P094A
Hydraulic Pump Driver Performance
PowertrainRead the code
Generic OBD-II
P094B
Hydraulic Pump Stuck On
PowertrainRead the code
Generic OBD-II
P094C
Hydraulic Pump Performance/Stuck Off
PowertrainRead the code
Generic OBD-II
P094D
Hydraulic Pump Over Temperature
PowertrainRead the code
Generic OBD-II
P094E
Hydraulic Pump Supply Voltage Circuit/Open
PowertrainRead the code
Generic OBD-II
P0950
Auto Shift Manual Control Circuit
PowertrainRead the code
Generic OBD-II
P0951
Auto Shift Manual Control Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0952
Auto Shift Manual Control Circuit Low
PowertrainRead the code
Generic OBD-II
P0953
Auto Shift Manual Control Circuit High
PowertrainRead the code
Generic OBD-II
P0954
Auto Shift Manual Control Circuit Intermittent
PowertrainRead the code
Generic OBD-II
P0955
Manual-shift switch range and stuck-state faults are different
PowertrainRead article
Generic OBD-II
P0956
Auto Shift Manual Mode Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0957
Auto Shift Manual Mode Circuit Low
PowertrainRead the code
Generic OBD-II
P0958
Auto Shift Manual Mode Circuit High
PowertrainRead the code
Generic OBD-II
P0959
Auto Shift Manual Mode Circuit Intermittent
PowertrainRead the code
Generic OBD-II
P095A
Gear Shift Position Circuit C
PowertrainRead the code
Generic OBD-II
P095B
Gear Shift Position Circuit C Range/Performance
PowertrainRead the code
Generic OBD-II
P095C
Gear Shift Position Circuit C Low
PowertrainRead the code
Generic OBD-II
P095D
Gear Shift Position Circuit C High
PowertrainRead the code
Generic OBD-II
P0960
solenoid A open circuit requires transmission-specific mapping
PowertrainRead article
Generic OBD-II
P0961
CVT secondary pressure and ratio error confirm a performance fault
PowertrainRead article
Generic OBD-II
P0962
solenoid A control voltage indicates a ground-short signature
PowertrainRead article
Generic OBD-II
P0963
solenoid A high-circuit detection uses a short evaluation window
PowertrainRead article
Generic OBD-II
P0964
solenoid B open circuit is not a universal valve location
PowertrainRead article
Generic OBD-II
P0965
CVT primary-pulley control is checked against ratio response
PowertrainRead article
Generic OBD-II
P0966
solenoid B low-circuit evidence precedes hydraulic conclusions
PowertrainRead article
Generic OBD-II
P0967
solenoid B control has a high-voltage electrical signature
PowertrainRead article
Generic OBD-II
P0968
solenoid C open circuit can refer to CVT line-pressure control
PowertrainRead article
Generic OBD-II
P0969
Solenoid-C performance is an electrical status check in this table
PowertrainRead article
Generic OBD-II
P0970
solenoid C circuit low is not a measured low-pressure verdict
PowertrainRead article
Generic OBD-II
P0971
solenoid C high circuit has architecture-specific consequences
PowertrainRead article
Generic OBD-II
P0972
Allison shift-solenoid 1 open-circuit discrimination
PowertrainRead article
Generic OBD-II
P0973
A low solenoid A circuit result is not a low hydraulic-pressure measurement
PowertrainRead article
Generic OBD-II
P0974
A solenoid A circuit-high report differs from a functionally failed-on result
PowertrainRead article
Generic OBD-II
P0975
Allison solenoid 2 open-circuit test follows a hardware fault
PowertrainRead article
Generic OBD-II
P0976
Solenoid B circuit low identifies an electrical branch, not a pressure target
PowertrainRead article
Generic OBD-II
P0977
A high B-channel circuit code must remain separate from functional sticking
PowertrainRead article
Generic OBD-II
P0978
Shift Solenoid C Control Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0979
Solenoid C circuit low is an electrical classification that needs isolation
PowertrainRead article
Generic OBD-II
P097A
The architecture table maps this to solenoid A’s open-circuit branch
PowertrainRead article
Generic OBD-II
P097B
Solenoid B open-circuit identification depends on the detailed code representation
PowertrainRead article
Generic OBD-II
P097C
The C open-circuit mapping must not be confused with C functional failure
PowertrainRead article
Generic OBD-II
P097D
Solenoid D open-circuit reporting has a specific architecture mapping
PowertrainRead article
Generic OBD-II
P097E
Use the E-channel open-circuit mapping without guessing a valve location
PowertrainRead article
Generic OBD-II
P097F
Solenoid F open-circuit reporting has a stable failure-type identifier
PowertrainRead article
Generic OBD-II
P0980
Solenoid C circuit high is not proof that the C function is stuck on
PowertrainRead article
Generic OBD-II
P0981
The Ford table associates this with an electronic one-way-clutch control
PowertrainRead article
Generic OBD-II
P0982
A low D-channel circuit report belongs to the ground-short branch
PowertrainRead article
Generic OBD-II
P0983
A high D-channel electrical result is separate from D failed-on functionality
PowertrainRead article
Generic OBD-II
P0984
Shift Solenoid E Control Circuit Range/Performance
PowertrainRead the code
Generic OBD-II
P0985
Solenoid E circuit low calls for electrical evidence rather than a pressure assumption
PowertrainRead article
Generic OBD-II
P0986
An E-channel power-short report is not identical to failed-on functionality
PowertrainRead article
Generic OBD-II
P0987
Jeep's fourth-clutch hydraulic test lacks confirmation
PowertrainRead article
Generic OBD-II
P0988
the Jeep fourth-clutch pressure switch reports the wrong state
PowertrainRead article
Generic OBD-II
P0989
Pressure switch E fails to report the exhausted state
PowertrainRead article
Generic OBD-II
P0990
Pressure switch E fails to confirm pressurization
PowertrainRead article
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.