Escape 4WD V6-3.0L (2008)
G3-G4
Test H: The Transmission Control Module (TCM) Does Not Respond To The Scan Tool
PINPOINT TEST H: THE TRANSMISSION CONTROL MODULE (TCM) DOES NOT RESPOND TO THE SCAN TOOL
Normal Operation
The transmission control module (TCM) is present on Hybrid vehicles only. The TCM communicates with the scan tool through the high speed
controller area network (HS-CAN). Circuits VDB04 (WH/BU) (HS-CAN +) and VDB05 (WH) (HS-CAN -) provide the network connection to the
TCM. The TCM shares the HS-CAN network with the PCM, the traction battery control module (TBCM), the ABS module, the power steering
control module, restraints control module (RCM), occupant classification sensor module and the instrument cluster. Voltage for the TCM is provided
by circuits CBB27 (GN/BN) and SBB08 (VT/RD). Ground is provided by circuit GD121 (BK/YE).
This pinpoint test is intended to diagnose the following:
-
Fuse
-
Wiring, terminals or connectors
-
TCM
