B0981 Chevrolet Code - Transmission Winter Mode Switch Short to Ground
Quick Answer
The B0981 Chevrolet code indicates that there is a short to ground in the transmission winter mode switch circuit. Common causes include Faulty winter mode switch, Short to ground in the wiring harness, Corrosion or damage to the switch connector. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B0981 Chevrolet indicates Transmission Winter Mode Switch Short to Ground.
- Common causes
- Common causes include Faulty winter mode switch, Short to ground in the wiring harness, Corrosion or damage to the switch connector.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B0981 Chevrolet Description
The B0981 Chevrolet code indicates that there is a short to ground in the transmission winter mode switch circuit. The transmission winter mode switch is responsible for adjusting the transmission's shift points and torque converter lock-up strategy to improve traction in slippery conditions such as snow or ice. When this switch is shorted to ground, it can cause the transmission to operate in winter mode regardless of actual driving conditions. This can lead to poor performance, decreased fuel efficiency, and potential damage to the transmission system over time.
Common Causes of B0981 Chevrolet
- Faulty winter mode switch
- Short to ground in the wiring harness
- Corrosion or damage to the switch connector
- Issues with the TCM
- Electrical issues such as a blown fuse or relay
Symptoms of B0981 Chevrolet
- Harsh shifting
- Delayed engagement when shifting gears
- Transmission slipping
- Decreased fuel efficiency
- Illumination of the Check Engine Light
How to Fix B0981 Chevrolet
- Begin by diagnosing the exact cause of the short to ground in the transmission winter mode switch circuit using a diagnostic scanner.
- Inspect the winter mode switch, wiring harness, and connector for any signs of damage or corrosion. Replace any faulty components.
- Test the TCM to ensure it is functioning properly and communicating with the winter mode switch correctly.
- Clear the diagnostic trouble codes from the TCM and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further electrical diagnostics may be necessary to pinpoint the exact source of the short to ground.
Cost to Fix B0981 Chevrolet
The cost of repairing a B0981 Chevrolet code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the parts required for this repair may range from $50 to $200, while the labor costs can be between $100 and $300. Overall, the total repair cost for addressing this code may fall within the range of $150 to $500. It is recommended to consult with a qualified mechanic or dealership to obtain a more accurate estimate based on the vehicle's make and model, as well as the extent of the repair needed.
Need more information about the B0981 Chevrolet code?
Need more information on how to fix the B0981 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B0981 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B0981 Chevrolet Code
1. What are common symptoms of OBDII code B0981 Chevrolet (Transmission Winter Mode Switch Short to Ground)?
The common symptoms include the inability to engage winter mode in the transmission, an illuminated Check Engine Light (CEL), and possible transmission shifting issues.
2. What causes the OBDII code B0981 Chevrolet to trigger?
The code B0981 is triggered when there is a short circuit to ground in the winter mode switch circuit of the transmission control module.
3. How can I diagnose the cause of OBDII code B0981 Chevrolet?
Diagnosing this code involves inspecting the wiring and connectors related to the winter mode switch, testing the switch itself for proper functionality, and checking for any visible signs of damage or corrosion.
4. Can a faulty transmission winter mode switch cause code B0981 Chevrolet?
Yes, a faulty transmission winter mode switch can cause the code B0981 to be triggered due to a short circuit to ground in the switch circuit.
5. What is the recommended repair for OBDII code B0981 Chevrolet?
The recommended repair involves addressing the root cause of the short circuit to ground, which may involve repairing or replacing damaged wiring, connectors, or the transmission winter mode switch itself.
6. Are there any DIY tips for fixing OBDII code B0981 Chevrolet?
While diagnosing and repairing this code may require some technical knowledge, DIY enthusiasts can start by carefully inspecting the wiring and connectors for any visible issues before seeking professional help if needed.
7. Can OBDII code B0981 Chevrolet be safely ignored?
It is not recommended to ignore this code, as it can indicate an underlying issue with the transmission winter mode switch circuit that may affect the functionality of the transmission system.
8. How serious is OBDII code B0981 Chevrolet?
While the code B0981 itself may not directly impact the drivability of the vehicle, it is important to address the underlying issue promptly to prevent potential transmission problems in the future.
9. How much does it typically cost to repair OBDII code B0981 Chevrolet?
The cost of repairing this code can vary depending on the extent of the damage and whether any parts need to be replaced. It is advisable to consult a professional mechanic for an accurate cost estimate.
10. Can a scan tool reset OBDII code B0981 Chevrolet?
Resetting the code with a scan tool is possible after the underlying issue has been diagnosed and repaired. However, simply clearing the code without addressing the root cause may lead to it reoccurring.
Discuss the causes and fixes for B0981 Chevrolet OBDII Code
Code B0981 Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.