Battery Voltage High
Findings, check these first
- Overcharging alternator
- Recent jump-start or battery charging event
- Failed voltage regulator
- Poor battery cable connections confusing regulation
- Module sense fault
Standard procedure
- Measure charging voltage. Sustained readings above 15V confirm overcharge
- Check for recent jump-start or charging history
- Inspect battery cables and grounds
- Test the alternator regulator
- Clear the code after voltage returns to the 13-15V window
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.
- OBDII.pro: B1317 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for B1317: BATTERY VOLTAGE HIGH
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- B1317 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for B1317: Battery Voltage High
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-25.
Report a correction for B1317. Include your vehicle, the issue and a source if you have one.