U0471 moderate

Invalid Data Received From Supercharger Module

The U0471 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Supercharger Module. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$400 - $1,800 (parts and labor)
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Common Symptoms

  • Supercharger not engaging properly
  • Whining noise change
  • Reduced engine power
  • Check engine light
  • Supercharger bypass valve fault

Probable Causes (Ranked by Likelihood)

  • Supercharger control module error Very High
  • Bypass valve actuator failure High
  • CAN bus data error Moderate
  • Supercharger belt slip Low

Step-by-Step Diagnostic Procedure

  1. Check supercharger belt condition

  2. Test bypass valve actuator

  3. Scan supercharger module

  4. Check for intake leaks

Frequently Asked Questions

Can I drive with U0471?

Short distances at reduced power. Avoid high RPM operation.

What causes U0471?

Usually a bypass valve failure or supercharger belt issue.

How much to fix?

Between $400 and $1,800.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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