B1935 GMC Code - Left Seat Back Heater Circuit
Quick Answer
The B1935 diagnostic trouble code (DTC) for GMC vehicles specifically refers to an issue with the left seat back heater circuit. Common causes include Damaged or frayed wiring in the seat back heater circuit, Faulty heating elements in the left seat back, Defective seat heater control module. 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
- B1935 GMC indicates Left Seat Back Heater Circuit.
- Common causes
- Common causes include Damaged or frayed wiring in the seat back heater circuit, Faulty heating elements in the left seat back, Defective seat heater control module.
- 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.
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Code B1935 GMC Description
The B1935 diagnostic trouble code (DTC) for GMC vehicles specifically refers to an issue with the left seat back heater circuit. This code indicates that there is a malfunction in the electrical circuit responsible for heating the left seat back in the vehicle. The seat back heater circuit is designed to provide warmth and comfort to the occupants of the vehicle, especially during colder weather conditions. When this circuit fails to function properly, it can lead to discomfort for the driver or passengers, particularly in chilly environments.
Common Causes of B1935 GMC
- Damaged or frayed wiring in the seat back heater circuit
- Faulty heating elements in the left seat back
- Defective seat heater control module
- Blown fuse related to the seat heater circuit
- Corrosion or poor connections in the electrical components of the seat heater system
Symptoms of B1935 GMC
- Lack of heat in the left seat back
- Inconsistent or intermittent heating in the left seat back
- Illumination of the seat heater warning light on the dashboard
- Unusual burning smell when the seat heater is activated
How to Fix B1935 GMC
- Begin by conducting a thorough inspection of the seat back heater circuit, checking for any visible damage or loose connections.
- Test the heating elements in the left seat back to determine if they are functioning properly.
- Use a multimeter to test the continuity of the wiring in the seat heater circuit and identify any potential issues.
- Replace any damaged wiring, faulty heating elements, or defective control modules as needed.
- Clear the DTC from the vehicle's computer system using a diagnostic tool to reset the seat heater circuit.
Cost to Fix B1935 GMC
The typical repair costs for addressing the B1935 code related to the left seat back heater circuit can vary depending on the specific components that need to be replaced or repaired. In general, the parts required for this repair, such as wiring, heating elements, or control modules, can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair time for this issue may vary depending on the extent of the damage and the complexity of the repair process. Therefore, the total cost of addressing the B1935 code for the left seat back heater circuit could range from $200 to $600 or more, including parts and labor. It is advisable to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the specific make and model of the vehicle.
Tech Notes for B1935 GMC
B1935 0A: Left Seat Back Heater Circuit Rate of Change Below Threshold
B1935 0B: Left Seat Back Heater Circuit Current Above Threshold
B1935 0C: Left Seat Back Heater Circuit Current Below Threshold
B1935 0D: Left Seat Back Heater Circuit Resistance Above Threshold
B1935 0E: Left Seat Back Heater Circuit Resistance Below Threshold
B1935 1F: Left Seat Back Heater Circuit Intermittent
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Frequently Asked Questions about B1935 GMC Code
1. What are the common symptoms of OBDII code B1935 GMC (Left Seat Back Heater Circuit)?
- The common symptoms include a non-functioning left seat back heater, illuminated airbag warning light, and potential issues with the seat's heating system.
2. What are the possible causes of OBDII code B1935 GMC?
- The code B1935 GMC may be caused by a faulty seat back heater element, damaged wiring or connectors, a blown fuse, or a malfunctioning seat control module.
3. How can I diagnose the issue related to OBDII code B1935 GMC?
- You can diagnose the issue by checking the seat back heater element for continuity, inspecting the wiring and connectors for any damage, testing the fuse related to the seat heater circuit, and scanning the seat control module for error codes.
4. Can I repair OBDII code B1935 GMC on my own?
- If you have experience working with automotive electrical systems, you may be able to repair the issue on your own by replacing the faulty seat back heater element, repairing any damaged wiring, or resetting the seat control module.
5. Is it safe to drive with OBDII code B1935 GMC present?
- While the code B1935 GMC itself does not pose a direct safety risk, it is recommended to address the issue promptly to ensure the proper functioning of the seat back heater system and to avoid potential complications.
6. How much does it typically cost to repair OBDII code B1935 GMC?
- The cost of repairing OBDII code B1935 GMC can vary depending on the specific cause of the issue, but it may range from a few hundred dollars for DIY repairs to over a thousand dollars if professional assistance is required.
7. Can OBDII code B1935 GMC affect other systems in the vehicle?
- While the code B1935 GMC specifically relates to the left seat back heater circuit, it is always recommended to address any OBDII codes promptly to prevent potential issues from affecting other vehicle systems.
8. How long does it take to fix OBDII code B1935 GMC?
- The time needed to fix OBDII code B1935 GMC can vary based on the complexity of the issue and your experience level. Simple repairs may take a few hours, while more involved repairs could take longer.
9. Are there any preventive measures to avoid OBDII code B1935 GMC in the future?
- To prevent OBDII code B1935 GMC from occurring in the future, you can perform regular maintenance checks on the seat heating system, avoid overloading the electrical circuits, and ensure all wiring and connectors are in good condition.
10. Can weather conditions impact the occurrence of OBDII code B1935 GMC?
- Extreme weather conditions, such as extreme cold or heat, can sometimes exacerbate issues related to OBDII code B1935 GMC due to the strain they put on the seat heating system components.
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