The running board module sees an open in the left running board motor circuit
What it means
B116D. The running board module sees an open in the left running board motor circuit. That running board may stop part way or not move..
Findings, check these first
- Open in the left running board motor circuit
- Faulty power running board motor assembly
- Running board motor harness damaged or disconnected
- Poor motor connector
- Faulty power running board module
Standard procedure
- Confirm the code and test the running board motor circuit
- Inspect the motor assembly and its connector
- Check the harness for an open or broken wire
- Verify the module power and ground
- Replace the failed motor or module after tests
Code lookup
Type a code above, or start from a symptom or a common code.
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Sources and review
Review: qualified. Read the source limits below.
- B116D FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes - OBD2 Codes
live reference page (obd2-codes.co)
Supports: FORD and Ford-family meaning and likely causes for B116D
Fetched directly. B116D reads "Left Power Running Board Motor Line Open". obdii.pro carries no definition for this code, so there is no Ford-family corroboration.
Last updated 2026-10-02.
Report a correction for B116D. Include your vehicle, the issue and a source if you have one.