Explorer 4WD V6-4.0L (2009)
-
Is any voltage present?
Yes
GO to AD9.
No
The vehicle is operating correctly. SEND the trailer to an authorized camper/trailer repair facility.
-------------------------------------------------
AD9 CHECK CIRCUIT CAT19 (BU) FOR A SHORT TO VOLTAGE
-
Disconnect: TBC Module C238.
-
Measure the voltage between the trailer tow connector pin 3, circuit CAT19 (BU), component side and ground.
-
Is any voltage present?
Yes
REPAIR the circuit. TEST the system for normal operation.
No
INSTALL a new TBC module. TEST the system for normal operation.
-------------------------------------------------
