B0432
Low Voltage Level On The Control Circuit Of The RR Defog Relay
B0432 is an OBD-II diagnostic trouble code meaning: Low Voltage Level On The Control Circuit Of The RR Defog Relay. Common causes: open or short circuit in wiring harness, malfunction of the rear window heating relay. Estimated repair cost: $22–56.
Symptoms
- Heated rear window does not work
- The heated rear window indicator does not light up
- Fuse blown
Causes
- Open or short circuit in wiring harness
- Malfunction of the rear window heating relay
- Poor contact in connectors
- Control unit malfunction
How to Fix
- Check the rear window defogger circuit fuse.
- Check the integrity of the wiring harness and connectors
- Check the functionality of the rear window heating relay
- Check the voltage at the relay contacts
- If necessary, replace the relay or restore contacts
Related codes
Error B0432 by Vehicle Brand
FAQ
What does the B0432 code mean?
B0432 is an OBD-II diagnostic trouble code that indicates: Low Voltage Level On The Control Circuit Of The RR Defog Relay
What causes a B0432 error code?
The most common causes of B0432 include: Open or short circuit in wiring harness; Malfunction of the rear window heating relay; Poor contact in connectors; Control unit malfunction.
How do I fix a B0432 diagnostic trouble code?
To fix B0432: Check the rear window defogger circuit fuse.. Check the integrity of the wiring harness and connectors. Check the functionality of the rear window heating relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0432?
Limited driving only, diagnose soon
How much does it cost to fix B0432?
The estimated repair cost for B0432 is $22–56. Actual cost depends on your vehicle, location, and labor rates.
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