B305E
Interruptible RAP Relay Circuit
B305E is an OBD-II diagnostic trouble code meaning: Interruptible RAP Relay Circuit. Common causes: rap relay circuit open, faulty rap relay. Estimated repair cost: $11–56.
Symptoms
- No sound signal when seat belts are not fastened
- The seat belt indicator does not work
- False alarm of the reminder system
Causes
- RAP relay circuit open
- Faulty RAP relay
- Wiring harness damage
- Short circuit in the circuit
- BCM problem
How to Fix
- Check the integrity of the wiring harness in the RAP relay circuit
- Test the RAP relay for functionality
- Check contacts and connections in the circuit
- If necessary, replace the relay or repair the harness
- Reset the error and check if it appears again
Related codes
Error B305E by Vehicle Brand
FAQ
What does the B305E code mean?
B305E is an OBD-II diagnostic trouble code that indicates: Interruptible RAP Relay Circuit
What causes a B305E error code?
The most common causes of B305E include: RAP relay circuit open; Faulty RAP relay; Wiring harness damage; Short circuit in the circuit.
How do I fix a B305E diagnostic trouble code?
To fix B305E: Check the integrity of the wiring harness in the RAP relay circuit. Test the RAP relay for functionality. Check contacts and connections in the circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B305E?
Do not drive — repair immediately
How much does it cost to fix B305E?
The estimated repair cost for B305E is $11–56. Actual cost depends on your vehicle, location, and labor rates.
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