B1935 Chevrolet 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 Chevrolet 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 Chevrolet Description
What are the Possible Causes of the DTC B1935 Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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 Chevrolet Code
1. What does the OBDII code B1935 mean on a Chevrolet?
The code B1935 indicates an issue with the Left Seat Back Heater Circuit, typically related to the heated seat feature on the driver’s side.
2. What are the common symptoms of code B1935 in a Chevrolet?
Common symptoms include the driver’s seat back heater not working, an illuminated warning light, or the heated seat system being completely inoperative.
3. What causes the B1935 code to appear on a Chevrolet?
The code can be triggered by a faulty seat heater element, damaged wiring or connectors, a blown fuse, or a malfunctioning seat heater control module.
4. How can I diagnose the B1935 code on my Chevrolet?
Start by inspecting the wiring and connectors for damage or corrosion, check the seat heater fuse, and test the seat heater element for continuity with a multimeter.
5. Can I still use my vehicle with the B1935 code active?
Yes, the vehicle can still be driven, but the heated seat feature for the left seat back may not function until the issue is repaired.
6. How do I fix the B1935 code on a Chevrolet?
Repairs may include replacing the seat heater element, repairing or replacing damaged wiring, or replacing a faulty seat heater control module.
7. How much does it cost to repair the B1935 code on a Chevrolet?
The cost can vary depending on the issue, but replacing a seat heater element typically ranges from $150 to $400, including parts and labor.
8. Can a blown fuse cause the B1935 code on a Chevrolet?
Yes, a blown fuse in the heated seat circuit can cause this code and should be checked during the diagnostic process.
9. Can I clear the B1935 code without fixing the problem?
Clearing the code without addressing the root cause will only temporarily remove it, and the code will likely reappear.
10. Is the B1935 code a common issue in Chevrolet vehicles?
It’s not extremely common, but it can occur in vehicles equipped with heated seats, especially in older models or those with frequent use of the seat heaters.
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