Invalid Data Received From Seat Control Module B
The U0454 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Seat Control Module B. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $200 - $800 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Passenger seat adjustments incorrect
- Passenger occupant sensor reading wrong
- Passenger seat heater not matching setting
- Airbag warning due to seat sensor
Probable Causes (Ranked by Likelihood)
- Passenger seat module B failure Very High
- Occupant classification sensor fault High
- CAN bus data corruption Moderate
- Seat wiring harness damage Low
Step-by-Step Diagnostic Procedure
-
Scan seat module B for codes
-
Test occupant classification sensor
-
Check passenger seat wiring
-
Recalibrate occupant sensor
Frequently Asked Questions
Can I drive with U0454?
Yes, but the passenger airbag may not deploy correctly. Check the airbag light.
What causes U0454?
Usually the occupant classification sensor in the passenger seat.
How much to fix?
Typically $200 to $800.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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