B3622
Steering Wheel Controls Signal Circuit
B3622 is an OBD-II diagnostic trouble code meaning: Steering Wheel Controls Signal Circuit. Common causes: open or short circuit in wiring harness, malfunction of control buttons. Estimated repair cost: $56–167.
Symptoms
- Steering wheel buttons don't work
- Spontaneous operation of buttons
- Check Engine Light or Other Warning Lights Come On
Causes
- Open or short circuit in wiring harness
- Malfunction of control buttons
- Poor contact in connectors
- SCCM module damage
- Control unit software failure
How to Fix
- Check the integrity of the wiring harness from the steering wheel to the SCCM
- Inspect connectors for oxidation or damage
- Test the multimeter control buttons
- Check the power and ground of the signal circuit
- Scan the SCCM for errors
- Replace damaged components if necessary
Related codes
Error B3622 by Vehicle Brand
FAQ
What does the B3622 code mean?
B3622 is an OBD-II diagnostic trouble code that indicates: Steering Wheel Controls Signal Circuit
What causes a B3622 error code?
The most common causes of B3622 include: Open or short circuit in wiring harness; Malfunction of control buttons; Poor contact in connectors; SCCM module damage.
How do I fix a B3622 diagnostic trouble code?
To fix B3622: Check the integrity of the wiring harness from the steering wheel to the SCCM. Inspect connectors for oxidation or damage. Test the multimeter control buttons. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3622?
Limited driving only, diagnose soon
How much does it cost to fix B3622?
The estimated repair cost for B3622 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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