Engine-Codes - Generic - B0981

B0981 - Transmission Winter Mode Switch Short to Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B0981 Possible Causes

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

How is the B0981 code repair?

Start by checking 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 connector's pins.

What is the cost to diagnose the B0981 code

Labor: 1.0

The cost to diagnose the B0981 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.
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Possible Symptoms

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

B0981 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.

More Information

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Information for specific makes

  • B0981 BUICK Transmission Winter Mode Switch Short to Ground
  • B0981 CADILLAC Transmission Winter Mode Switch Short to Ground
  • B0981 CHEVROLET Transmission Winter Mode Switch Short to Ground
  • B0981 GMC Transmission Winter Mode Switch Short to Ground

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