B1935 Buick Code - Left Seat Back Heater Circuit
Quick Answer
When the heated seat function is active, the Memory Seat Module (MSM) supplies battery voltage through the element supply voltage circuit to the seat heater elements. Common causes include Faulty Left Seat Back Heater Element, Left Seat Back Heater Element harness is open or shorted, Left Seat Back Heater Element circuit poor electrical connection. 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 Buick indicates Left Seat Back Heater Circuit.
- Common causes
- Common causes include Faulty Left Seat Back Heater Element, Left Seat Back Heater Element harness is open or shorted, Left Seat Back Heater Element circuit poor electrical connection.
- 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.
Code B1935 Buick Description
What are the Possible Causes of the DTC B1935 Buick?
- Faulty Left Seat Back Heater Element
- Left Seat Back Heater Element harness is open or shorted
- Left Seat Back Heater Element circuit poor electrical connection
- Faulty Memory Seat Module (MSM)
How to Fix the DTC B1935 Buick?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1935 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1935 Buick Code
1. What are common symptoms of OBDII code B1935 in a Buick related to the left seat back heater circuit?
The common symptoms include inoperative left seat back heater, illuminated airbag warning light, and possible loss of communication with the seat module.
2. What are the possible causes of OBDII code B1935 in a Buick indicating an issue with the left seat back heater circuit?
Possible causes include a faulty seat back heater element, damaged wiring or connectors, a failed seat module, or a malfunctioning body control module.
3. How can I diagnose the OBDII code B1935 in my Buick related to the left seat back heater circuit?
Diagnosis involves inspecting the seat back heater wiring and connections for damage, testing the seat back heater element for continuity, checking the seat module for proper operation, and scanning the system for fault codes.
4. Can I still drive my Buick with OBDII code B1935 indicating a left seat back heater circuit issue?
It is generally safe to drive the vehicle with this code, but it is recommended to have the issue diagnosed and repaired to ensure proper operation of the seat heater and airbag system.
5. How can I repair OBDII code B1935 in my Buick if it is related to the left seat back heater circuit?
Repair involves replacing the faulty seat back heater element, repairing any damaged wiring or connectors, replacing the seat module if necessary, and clearing the fault codes with a diagnostic tool.
6. Will resetting the fault codes fix OBDII code B1935 in my Buick associated with the left seat back heater circuit?
Resetting the fault codes may temporarily clear the warning light, but it will not fix the underlying issue causing the fault. Proper diagnosis and repair are needed to resolve the problem.
7. Are there any specific maintenance tips to prevent OBDII code B1935 in a Buick related to the left seat back heater circuit?
Regularly inspecting the seat back heater wiring, keeping the seat area clean and free of debris, and avoiding putting excessive pressure on the seat back can help prevent issues with the left seat back heater circuit.
8. Can a DIY enthusiast repair OBDII code B1935 in a Buick indicating a left seat back heater circuit problem?
Depending on the DIY enthusiast's skill level and access to tools, it may be possible to repair the issue by following a repair manual or online guides. However, complex electrical issues may require professional diagnosis and repair.
9. What is the typical cost to repair OBDII code B1935 in a Buick related to the left seat back heater circuit?
The cost of repair can vary depending on the specific cause of the issue, the parts needed for replacement, and labor costs. It is recommended to obtain quotes from different repair shops for an accurate estimate.
10. How long does it take to repair OBDII code B1935 in a Buick if it is related to the left seat back heater circuit?
The repair time can vary based on the complexity of the issue and the availability of parts. Generally, it may take a few hours to a day to diagnose and repair the left seat back heater circuit problem.
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