Ford Codes List

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655 Ford-enhanced codes on file

Code
B11D6

The side obstacle detection module sees an open or short on the exterior mirror blind spot LED circuit

Category
Body
Severity
Body Warning Light
Applies to
Ford, Lincoln and Mercury models that use this code
Related
No single generic twin. See OBD Codes List

What it means

B11D6. The side obstacle detection module sees an open or short on the exterior mirror blind spot LED circuit. The blind spot and cross traffic alert may stop working..

Findings, check these first

  • Faulty driver display alert LED
  • Driver display alert LED harness open or shorted
  • Poor electrical connection in the LED supply circuit
  • Faulty side obstacle detection module

Standard procedure

  1. Confirm the code and test the mirror LED circuit
  2. Inspect the exterior mirror LED and its connector
  3. Check the supply circuit for an open or short
  4. Verify the detection module power and ground
  5. Replace the failed LED or module after tests

Code lookup

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Sources and review

Review: qualified. Read the source limits below.

Last updated 2026-10-02.

Report a correction for B11D6. Include your vehicle, the issue and a source if you have one.

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