Other information:
Removal
NOTICE:
Do not remove or install the M8 nut (20 Nm) on the cable
eyelet bolt while the battery monitoring sensor is attached to the
battery post as this causes damage to the sensor, connector, and
possibly the battery post and case.
Disconnect the battery...
DTC Chart: BCM
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
BCM
DTC Chart
DTC
Description
Action
B1277:11
Reverse Lamp: Circuit Short To Ground
GO to Pinpoint Test..