Invalid Data Received From Wiper Control Module
The U0449 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Wiper Control Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $100 - $400 (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
- Wipers operating at wrong speed
- Intermittent wipers not working
- Wipers not parking correctly
- Wiper delay setting not responding
- Rear wiper not working
Probable Causes (Ranked by Likelihood)
- Failed wiper control module Very High
- Wiper motor starting to fail High
- CAN bus data error Moderate
- Wiper switch intermittent Low
Step-by-Step Diagnostic Procedure
-
Check wiper fuse
-
Test wiper switch positions
-
Scan wiper module for codes
-
Inspect wiper motor linkage
Frequently Asked Questions
Can I drive with U0449?
Yes in dry weather. In rain, wipers may not work at the expected speed.
What causes U0449?
Usually a failing wiper motor or switch.
How much does U0449 cost to fix?
Typically $100 to $400.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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