Error code
OBD2 P0975
OBD2P0975
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Shift Solenoid 'B' Control Circuit Range/Performance.
Severity
moderateCan drive but may experience shifting issues and reduced performance.
Summary
P0975 indicates an issue with Shift Solenoid B in your vehicle's transmission control system, affecting gear shifts and potentially causing performance issues.
Symptoms
- Check Engine light is on
- Sluggish acceleration or high revving
- Harsh shifting
Common Causes
- Shift solenoid failure
- Wiring problems (poor connection, corrosion, moisture)
- Transmission control module (TCM) or engine control module (ECM) malfunction
Diagnosis
- Inspect wiring harness for breaks, corrosion, or poor connections.
- Check continuity at the TCM harness using a digital volt-ohm meter (DVOM).
- Test Shift Solenoid B's resistance with specifications from your vehicle manual.
- Exchange control module if necessary and perform relearn procedure.
Fixes
- Replace faulty shift solenoid or wiring harness as needed.
FAQ
What should I do if the Check Engine light comes on with P0975?
Inspect and repair any wiring issues, test Shift Solenoid B's resistance, or replace faulty components. If unsure, consult a professional mechanic.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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