B0981 GMC - Transmission Winter Mode Switch Short to Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

B0981 GMC Possible Causes

  • Faulty Transmission Winter Mode Switch
  • Transmission Winter Mode Switch harness is open or shorted
  • Transmission Winter Mode Switch circuit poor electrical connection

First diagnose B0981 GMC code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the B0981 GMC code

    Labor: 1.0

    The cost of diagnosing the B0981 GMC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B0981 GMC Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B0981 GMC Meaning

The Powertrain Control Module (PCM) monitors the Transmission Winter Mode Switch. The PCM sets the OBDII code when the Transmission Winter Mode Switch is not to factory specifications.
OBDII Code B0981 GMC - Transmission Winter Mode Switch Short to Ground - Engine-Codes.com

B0981 GMC More Information

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