Invalid Data Received From Ignition Control Module
The U0465 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Ignition Control Module. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- 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
- Engine misfiring
- Rough idle
- Loss of power under acceleration
- Check engine light with ignition codes
- Hard starting
Probable Causes (Ranked by Likelihood)
- Failed ignition module Very High
- Ignition coil sending bad feedback High
- CAN bus data error Moderate
- Worn spark plugs affecting feedback Low
Step-by-Step Diagnostic Procedure
-
Check spark plugs and coils
-
Scan ignition module for codes
-
Test ignition coil outputs
-
Verify CAN bus at ignition module
Frequently Asked Questions
Can I drive with U0465?
Short distances. Continued misfiring can damage the catalytic converter.
What causes U0465?
Usually worn spark plugs or a failing ignition coil.
How much to fix?
Typically $200 to $800. Spark plugs and coils are affordable repairs.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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