U0481 moderate
Invalid Data Received From Fuel Pump Control Module
The U0481 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Fuel Pump Control Module. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $250 - $900 (parts and labor)
Diagnose CAN Bus Issues
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Common Symptoms
- Engine stalling
- Hard starting
- Fuel pressure fluctuating
- Reduced engine power
- Fuel pump noise changes
Probable Causes (Ranked by Likelihood)
- Fuel pump control module error Very High
- Fuel pump driver failing High
- CAN bus interference Moderate
- Fuel filter restriction Low
Step-by-Step Diagnostic Procedure
-
Check fuel pressure
-
Test fuel pump driver module
-
Scan fuel pump module
-
Inspect fuel filter
Frequently Asked Questions
Can I drive with U0481?
Short distances. Engine may stall without warning.
What causes U0481?
Usually a failing fuel pump driver module.
How much to fix?
Between $250 and $900.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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