Invalid Data Received From Interior Lamp Module
The U0497 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Interior Lamp Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $50 - $300 (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
- Interior lights not dimming
- Dome light staying on
- Reading lights not responding
- Ambient lighting acting erratic
Probable Causes (Ranked by Likelihood)
- Interior lamp module fault Very High
- Door ajar switch sticking High
- CAN bus error Moderate
- Light dimmer switch fault Low
Step-by-Step Diagnostic Procedure
-
Check all door ajar switches
-
Test interior lamp module
-
Scan module for codes
-
Inspect dimmer control
Frequently Asked Questions
Can I drive with U0497?
Yes. Interior lighting issues do not affect driving.
What causes U0497?
Often a sticking door ajar switch making the module think a door is open.
How much to fix?
Typically $50 to $300.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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