B0981
Transmission Winter Mode Switch Short to Ground
B0981 is an OBD-II diagnostic trouble code meaning: Transmission Winter Mode Switch Short to Ground. Common causes: damaged or worn wiring, winter mode switch shorted to ground. Estimated repair cost: $22–167.
Symptoms
- No response to turning on winter mode
- Fault indication on the instrument panel
- Incorrect gear shifting in cold weather
Causes
- Damaged or worn wiring
- Winter mode switch shorted to ground
- Connector damage or contact corrosion
- Transmission ECU malfunction
How to Fix
- Check the integrity of the wiring and connectors in the winter mode switch circuit
- Check the resistance of the winter mode switch
- Clean or replace damaged connectors
- If necessary, replace the winter mode switch or transmission ECU
Related codes
Error B0981 by Vehicle Brand
FAQ
What does the B0981 code mean?
B0981 is an OBD-II diagnostic trouble code that indicates: Transmission Winter Mode Switch Short to Ground
What causes a B0981 error code?
The most common causes of B0981 include: Damaged or worn wiring; Winter mode switch shorted to ground; Connector damage or contact corrosion; Transmission ECU malfunction.
How do I fix a B0981 diagnostic trouble code?
To fix B0981: Check the integrity of the wiring and connectors in the winter mode switch circuit. Check the resistance of the winter mode switch. Clean or replace damaged connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0981?
Limited driving only, diagnose soon
How much does it cost to fix B0981?
The estimated repair cost for B0981 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
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