April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U1139: Lost Communication with 4WD Control Module (Reception Error): Wiring Diagram

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara and 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC U1101: LOST COMMUNICATION WITH TCM (RECEPTION ERROR) .