Driver Seat Ventilation Motor Circuit Malfunction
The B0290 code means the vehicle's onboard diagnostic system has detected: Driver Seat Ventilation Motor Circuit Malfunction. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $100 - $500 (parts and labor)
Basic scanners skip body codes entirely. BlueDriver reads airbag, HVAC, lighting, and BCM codes through your phone.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Common Symptoms
- Driver seat ventilation not functioning
- Seat Ventilation Motor makes unusual noise
- Seat comfort feature inoperative
- No response from seat adjustment switch
Probable Causes (Ranked by Likelihood)
- Faulty seat ventilation motor Very High
- Damaged wiring to seat motor High
- Seat control module failure Moderate
- Switch or control input fault Low
Step-by-Step Diagnostic Procedure
-
Test seat ventilation motor voltage supply
-
Check seat ventilation motor connector
-
Inspect wiring for damage or corrosion
-
Scan seat module for related faults
Frequently Asked Questions
Why did my seat ventilation stop working?
Most commonly the motor has worn out or the wiring connector has come loose or corroded.
Is this covered by warranty?
Seat comfort features may be covered under powertrain or bumper-to-bumper warranty if still within the coverage period.
Can I replace the motor myself?
Some seat motors are accessible from underneath the seat, but accessing others requires significant seat disassembly.
Sources
This page is built from documented references. Verify against your own service info before repair work.
Explore More
Was this helpful?
Share carcodefinder.com with a friend who needs to decode their check engine light.