Invalid Data Received From Rear Axle Steering Module
The U0450 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Rear Axle Steering Module. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $800 - $3,500 (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
- Rear wheels steering at wrong angle
- Vehicle handling feels unstable
- Crab walking sensation
- Rear steering warning light on
- Unusual tire wear on rear axle
Probable Causes (Ranked by Likelihood)
- Failed rear steering actuator sending bad data Very High
- Rear steering position sensor fault High
- CAN bus data corruption Moderate
- Rear steering calibration lost Low
Step-by-Step Diagnostic Procedure
-
Scan rear steering module for codes
-
Check rear steering actuator position
-
Verify rear steering calibration
-
Test CAN bus data integrity at module
Frequently Asked Questions
Can I drive with U0450?
Short distances at low speed only. Rear steering may behave unpredictably.
What causes U0450?
Usually a failed rear steering actuator or position sensor.
How much does U0450 cost to fix?
Between $800 and $3,500. This is specialized premium vehicle equipment.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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