B135C Code - Heater Element Circuit Short
Quick Answer
The B135C diagnostic trouble code (DTC) indicates a problem with the heater element circuit in the vehicle. Common causes include Damaged wiring in the heater element circuit, Faulty control module regulating the heating element, Short circuit in the heating element itself. 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
- B135C indicates Heater Element Circuit Short.
- Common causes
- Common causes include Damaged wiring in the heater element circuit, Faulty control module regulating the heating element, Short circuit in the heating element itself.
- 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 B135C Description
The B135C diagnostic trouble code (DTC) indicates a problem with the heater element circuit in the vehicle. The heater element circuit is responsible for regulating the temperature within the vehicle, particularly in systems such as heated seats, heated steering wheels, or even the vehicle's HVAC system. When this circuit experiences a short, it means that there is an unintended connection between two points in the circuit where there should not be one. This can lead to issues with temperature regulation and overall comfort within the vehicle.
Common Causes of B135C
- Damaged wiring in the heater element circuit
- Faulty control module regulating the heating element
- Short circuit in the heating element itself
- Corrosion or poor connections in the circuit
- Electrical overload or power surge causing the short circuit
Symptoms of B135C
- Inoperative heated seats or other heating elements in the vehicle
- Erratic behavior of heated seats, such as turning on and off unexpectedly
- Burning smell coming from the affected systems
- Dashboard warning light indicating a heating system malfunction
How to Fix B135C
- Begin by conducting a thorough inspection of the heater element circuit to identify the exact location of the short circuit.
- Repair or replace any damaged wiring or connections in the circuit.
- Check and test the control module for proper functionality; replace if necessary.
- Inspect the heating element for any signs of damage or short circuit; replace if needed.
- Test the repaired circuit to ensure that the heater element functions correctly and that the short circuit is resolved.
Cost to Fix B135C
The cost of repairing a heater element circuit short can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the parts required for this repair, such as wiring, control modules, and heating elements, can range from $100 to $500 or more. Labor costs for this type of repair typically fall between $150 and $300, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost for addressing a B135C DTC can range from $250 to $800 or more, with additional charges for diagnosis and any other necessary repairs. It's recommended to obtain quotes from multiple auto repair shops to get a more accurate estimate based on your vehicle's make and model, as well as your location.
Tech Notes for B135C
B135C:15 Heater Element Circuit Short to Battery or Open
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Code B135C Information for Specific Makes
- B135C Ford — Heater Element Circuit Short
- B135C Lincoln — Heater Element Circuit Short
- B135C Mercury — Heater Element Circuit Short
Frequently Asked Questions about B135C Code
1. What does the OBDII code B135C mean?
Code B135C indicates a short circuit in the heater element circuit, which is typically responsible for providing heat to components such as heated seats or HVAC systems.
2. What are the common symptoms of code B135C?
Symptoms may include non-functional heated seats, inconsistent cabin heating, a blown fuse, or an illuminated check engine or system-specific warning light.
3. What causes the B135C code to appear?
Common causes include damaged or shorted wiring, a faulty heater element, a blown fuse, or a malfunctioning control module.
4. How can I diagnose the B135C code?
Start by inspecting the heater element wiring for damage or shorts, check related fuses, and test the heater element and circuit continuity using a multimeter.
5. Can I drive my vehicle with the B135C code?
Yes, you can typically drive with this code, but any associated systems (e.g., heated seats or HVAC heating) may not function properly.
6. How do I fix the B135C code?
Repairs might include replacing damaged wiring, repairing or replacing the heater element, or replacing a blown fuse or faulty control module.
7. How much does it cost to fix the B135C code?
Repair costs vary but may range from $50 to $300 depending on whether you need to replace wiring, fuses, or the heater element.
8. Can a blown fuse cause the B135C code?
Yes, a blown fuse in the heater element circuit can trigger this code, often due to an underlying issue like a short circuit.
9. Do I need a professional to fix the B135C code?
While some repairs like replacing a fuse or inspecting wiring can be done at home, diagnosing and fixing complex electrical issues may require professional assistance.
10. Will clearing the code fix the B135C issue?
Clearing the code will temporarily turn off the warning light, but the root cause must be addressed to prevent the code from returning.
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