B1318 FORD, LINCOLN, MERCURY: BATTERY VOLTAGE LOW
POST UPDATED IN February, 2023
B1318 FORD, LINCOLN, MERCURY: BATTERY VOLTAGE LOW
When the engine is started, voltage is supplied from the charging system to the battery and the vehicle’s electrical system via the battery’s B+ cable. The voltage supplied to the electrical system is used for the correct operation of the various systems, modules, and devices that require it.
Certain control modules have monitoring of the voltage that is sent. If it is detected that the voltage is below or above the calibrated set points after these checks, the fault code B1318 OBDII will be set.
The Diagnostic code B1318 OBD2 is set for the following reasons:
To troubleshoot DTC B1318 OBDII, follow these steps: