B3680
Movable Roof Pump Motor Circuit
B3680 is an OBD-II diagnostic trouble code meaning: Movable Roof Pump Motor Circuit. Common causes: open or short circuit in the pump wiring harness, side curtain pump motor malfunction. Estimated repair cost: $111–333.
Symptoms
- The SRS/air bag indicator on the dashboard is on
- The system may issue a service message about a malfunction
- Side curtain airbags may not deploy in a crash
Causes
- Open or short circuit in the pump wiring harness
- Side curtain pump motor malfunction
- Connector problems or contact corrosion
- SRS control unit failure
How to Fix
- Scan the SRS system for other errors
- Check the integrity of the wiring harness and contacts
- Measure resistance and power at the pump connector
- Check the functionality of the pump motor
- Replace pump or wiring harness if necessary
- Reset errors and check the system
Related codes
Error B3680 by Vehicle Brand
FAQ
What does the B3680 code mean?
B3680 is an OBD-II diagnostic trouble code that indicates: Movable Roof Pump Motor Circuit
What causes a B3680 error code?
The most common causes of B3680 include: Open or short circuit in the pump wiring harness; Side curtain pump motor malfunction; Connector problems or contact corrosion; SRS control unit failure.
How do I fix a B3680 diagnostic trouble code?
To fix B3680: Scan the SRS system for other errors. Check the integrity of the wiring harness and contacts. Measure resistance and power at the pump connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3680?
Do not drive — repair immediately
How much does it cost to fix B3680?
The estimated repair cost for B3680 is $111–333. Actual cost depends on your vehicle, location, and labor rates.
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