Rear Right Door Panel Light Circuit Malfunction
The B0180 code means the vehicle's onboard diagnostic system has detected: Rear Right Door Panel Light Circuit Malfunction. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $15 - $200 (parts and labor)
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Common Symptoms
- Door panel light not illuminating
- No accent lighting on door
- Door panel LED strip failed
- Door light does not activate at entry
Probable Causes (Ranked by Likelihood)
- Failed door panel LED strip Very High
- Corroded door panel light connector High
- Broken wiring at door hinge Moderate
- Door module light output failure Low
Step-by-Step Diagnostic Procedure
-
Inspect door panel LED strip
-
Check connector at door panel
-
Test wiring through door hinge
-
Scan door module for DTCs
Frequently Asked Questions
What are door panel lights?
Accent LEDs in the door trim that provide ambient illumination, often configurable on luxury vehicles.
Can I replace the LED strip?
On some vehicles the strip is replaceable; on others the entire door trim must be replaced.
Does it drain the battery?
Door panel lights are low-power LEDs that draw minimal current.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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