Other information:
The AWD system consists of the following:
Power transfer unit (PTU)
Front and rear halfshafts
Rear axle and driveshaft
AWD relay module
Rear axle with coupling device
Torque
from the engine is transferred through the transmission to the Power
Transfer Unit (PTU). This torque is transferred from the driveshaft to
the rear axle, which drives the rear halfshafts. Th..
DTC Charts
BCM
DTC Chart
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).
DTC
Description
Action
B108A:01
Start Button: General Electrical Failure
GO to Pinpoint Test..