Right Rear Side Marker Light Circuit Open
The B0065 code means the vehicle's onboard diagnostic system has detected: Right Rear Side Marker Light Circuit Open. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $5 - $120 (parts and labor)
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Common Symptoms
- Right rear side marker not illuminating
- Bulb check warning on cluster
- Reduced rear side visibility at night
- Failed vehicle safety inspection
Probable Causes (Ranked by Likelihood)
- Burned out rear side marker bulb Very High
- Corroded rear marker socket High
- Water intrusion in rear marker housing Moderate
- Damaged wiring in rear quarter panel Low
Step-by-Step Diagnostic Procedure
-
Inspect right rear side marker bulb
-
Check socket for corrosion and ground
-
Test voltage with parking lights on
-
Inspect wiring through rear quarter panel
Frequently Asked Questions
Can a fender bender damage side marker wiring?
Yes, even minor collisions can damage the housing, socket, or wiring.
Is this serious?
Safe to drive but reduces visibility. Repair promptly for safety.
How much does a rear side marker cost?
Typically 15 to 60 dollars for the part with minimal labor.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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