Error code
OBD2 P0974
OBD2P0974
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Shift Solenoid 'A' Control Circuit High.
Severity
moderateCan drive but may experience shifting issues.
Summary
P0974 indicates that Shift Solenoid 'A' in your transmission has an electrical issue causing its control circuit to be high.
Symptoms
- Poor acceleration
- High-revving before shifting
- Harsh shifting
Common Causes
- Rodent damage to wiring harness
- Improper repair leading to misrouted or damaged wiring
- Burnt out shift solenoid
Diagnosis
- Check wiring harness for damage or poor connections.
- Perform resistance checks between TCM and shift solenoid A.
- Test the shift solenoid itself if circuit checks indicate an issue.
Fixes
- Repair damaged wiring harness or replace faulty shift solenoid
FAQ
Can I drive with P0974?
You can drive but may experience shifting issues.
What causes P0974?
Common causes include rodent damage, improper repairs leading to damaged wiring, or a burnt out shift solenoid.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0900Clutch Actuator Circuit/Open
- P0901Clutch Actuator Circuit Range/Performance
- P0902Clutch Actuator Circuit Low
- P0903Clutch Actuator Circuit High
- P0904Gate Select Position Circuit
- P0905Gate Select Position Circuit Range/Performance
- P0906Gate Select Position Circuit Low
- P0907Gate Select Position Circuit High
- P0908Gate Select Position Circuit Intermittent
- P0909Gate Select Control Error
- P0910Gate Select Actuator Circuit/Open
- P0911Gate Select Actuator Circuit Range/Performance