Passenger Seat Bolster Adjustment Motor Circuit Open
The B0293 code means the vehicle's onboard diagnostic system has detected: Passenger Seat Bolster Adjustment Motor Circuit Open. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $100 - $500 (parts and labor)
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Common Symptoms
- Passenger seat bolster adjustment not functioning
- Seat Bolster Adjustment Motor makes unusual noise
- Seat comfort feature inoperative
- No response from seat adjustment switch
Probable Causes (Ranked by Likelihood)
- Faulty seat bolster adjustment 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 bolster adjustment motor voltage supply
-
Check seat bolster adjustment motor connector
-
Inspect wiring for damage or corrosion
-
Scan seat module for related faults
Frequently Asked Questions
Why did my seat bolster adjustment 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.
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