Honda B10CF: Left Daytime Running Lights Circuit Malfunction

Is your scanner showing Honda B10CF?
No worries. We'll show you what it means and how to deal with it.

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Randy Worner

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Honda B10CF: Left Daytime Running Lights Circuit Malfunction

OVERVIEW

Severity

Medium

DIY Difficulty Level

Intermediate

Repair Cost

$100-$300

Can I Still Drive?

Yes (Short-term only)

What Does The Honda B10CF Code Mean?

This code indicates inoperative or intermittent operation of the left daytime running lights.

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. Make sure the fuse in the driver’s under-dash fuse/relay box is OK.

What Are The Potential Causes Of The Honda B10CF Code?

Loose or poor connections driver’s under-dash fuse/relay box and left daytime running light
“Open” or “Short” ” circuit between driver’s under-dash fuse/relay box and left daytime running light
“Open” or high resistance between left daytime running light and body ground
Faulty driver’s MICU