Invalid Data Received From Electric Fan Module
The U0480 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Electric Fan Module. This is a moderate severity code.
- Keep driving?
- Short distances only
- 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
- Cooling fan not running when needed
- Fan running at wrong speed
- Engine overheating intermittently
- Fan staying on after engine off
- AC performance reduced
Probable Causes (Ranked by Likelihood)
- Failed fan control module Very High
- Fan motor sending bad RPM data High
- CAN bus communication error Moderate
- Coolant temperature sensor giving wrong data Low
Step-by-Step Diagnostic Procedure
-
Check coolant temp sensor
-
Test fan motor operation
-
Scan fan module for codes
-
Verify CAN bus at fan module
Frequently Asked Questions
Can I drive with U0480?
Short distances. Monitor engine temperature and stop if overheating.
What causes U0480?
Usually a failed fan control module or fan motor.
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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