U0464 moderate

Invalid Data Received From Fuel Injection Module

The U0464 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Fuel Injection Module. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$300 - $1,200 (parts and labor)
Diagnose CAN Bus Issues
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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

  • Engine running rough
  • Poor fuel economy
  • Hesitation on acceleration
  • Check engine light with misfire codes
  • Black exhaust smoke

Probable Causes (Ranked by Likelihood)

  • Fuel injection module corrupted data Very High
  • Fuel injector electrical fault High
  • CAN bus noise affecting injection timing Moderate
  • Fuel pressure sensor sending bad data Low

Step-by-Step Diagnostic Procedure

  1. Scan fuel injection module for codes

  2. Check fuel pressure

  3. Test injector operation

  4. Verify CAN bus signal quality

Frequently Asked Questions

Can I drive with U0464?

Short distances only. Engine may misfire and catalytic converter could be damaged.

What causes U0464?

Usually corrupted data from the fuel injection module or injector electrical faults.

How much to fix?

Between $300 and $1,200.

Sources

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

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