Lost Communication With Active Suspension Damper Module
The U0258 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Active Suspension Damper Module. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $500 - $2,500 (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
- Suspension ride quality degraded
- Vehicle riding too stiff or too soft
- Active suspension warning light on
- No difference between comfort and sport modes
- Vehicle bouncing excessively
Probable Causes (Ranked by Likelihood)
- Failed electronic damper Very High
- Damper control module failure High
- CAN bus wiring fault to damper Moderate
- Ride height sensor feeding bad data Low
Step-by-Step Diagnostic Procedure
-
Scan active suspension module for codes
-
Test individual damper response
-
Check ride height sensors
-
Verify CAN bus communication at each damper
Frequently Asked Questions
Can I drive with U0258?
Short distances at reduced speed. Handling may be unpredictable without active damping.
What causes U0258?
Usually a failed electronic damper or control module.
Is U0258 expensive?
Yes, electronic dampers are costly at $500 to $2,500 per corner.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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