Seat Memory Module Signal Performance
The U0653 code means the vehicle's onboard diagnostic system has detected: Seat Memory Module Signal Performance. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $100 - $500
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
- Seat memory positions not saving
- Seat adjustments not working
- Memory buttons unresponsive
- Seat moving to wrong position
Probable Causes (Ranked by Likelihood)
- Seat memory module failure Very High
- Seat position sensor fault High
- Wiring harness under seat damaged Moderate
- CAN bus communication loss to seat module Low
Step-by-Step Diagnostic Procedure
-
Check seat module for stored codes
-
Inspect wiring under seats for damage
-
Test seat position sensors
-
Verify CAN bus communication at seat module connector
Frequently Asked Questions
Can I drive with U0653?
Check the severity. If it affects safety systems like stability control or braking, limit driving to short distances. Comfort features like heaters or parking assist are safe to drive with.
What causes U0653?
Most commonly a faulty seat memory module or damaged wiring in the communication circuit to that module.
How much does it cost to fix U0653?
Typical repair costs range from $100 - $500 depending on whether the module or just wiring needs repair.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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