Invalid Data Received From Exhaust Pressure Module
The U0476 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Exhaust Pressure Module. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $150 - $600 (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
- Turbo boost fluctuating
- DPF regeneration timing wrong
- Exhaust backpressure warning
- Reduced engine performance
Probable Causes (Ranked by Likelihood)
- Exhaust pressure sensor failure Very High
- Sensor tube blockage High
- CAN bus data error Moderate
- Exhaust leak before sensor Low
Step-by-Step Diagnostic Procedure
-
Test exhaust pressure sensor
-
Clean sensor tube connections
-
Scan exhaust module for codes
-
Check for exhaust leaks
Frequently Asked Questions
Can I drive with U0476?
Short distances. DPF regeneration may not occur properly.
What causes U0476?
Usually a failed exhaust pressure sensor or blocked sensor tube.
How much to fix?
Typically $150 to $600.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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