The body control module sees a short on the wake up control circuit
What it means
B10E5. The body control module sees a short on the wake up control circuit. The powertrain module may not wake for a crank request and the engine may not start.
Findings, check these first
- Short to ground in the wake up circuit
- Short to voltage in the wake up circuit
- Chafed or pinched wiring
- Poor connector at the body or powertrain module
- Faulty body control module
Standard procedure
- Confirm the code and test the wake up control circuit
- Inspect the wiring between the body and powertrain modules
- Check the circuit for a short to ground or voltage
- Verify module power and ground
- Replace the failed module after tests
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- B10E5 FORD Wake up Control Circuit Short: Code Meaning, Causes, Symptoms, & Tech Notes | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: code identity, Ford meaning and possible causes
Fetched directly. Ford title, meaning and causes match the catalog record. Model and year fitment remain curator claims.
- B10e5 Ford - Wake up Control Circuit Short | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Ford meaning and causes
Fetched directly. Same Ford text as the engine-codes page (both sites share one publisher).
Source caveat: The autocodes snapshot carries the matching title but its cause and description blocks render empty. Identity rests on the engine-codes page plus the autocodes title.
Last updated 2026-09-29.
Report a correction for B10E5. Include your vehicle, the issue and a source if you have one.