DTC U0122 Lost Communication with Vehicle Dynamics Control Module: Wiring Diagram

Fig 1: Skid Control ECU - Wiring Diagram

CHECK WIRE HARNESS AND CONNECTOR (ECM - SKID CONTROL ECU)
1. Check for an open or short circuit in harness and connector between the ECM and the skid control ECU (See HOW TO PROCEED WITH TROUBLESHOOTING ).
NG : REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR

OK : Go to next step
REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY (SKID CONTROL ECU)
HINT:

If the problem still occurs after the replacement, replace the ECM.

When a malfunction is detected in the skid control ECU, replace the ABS & traction actuator assembly.

REPLACE ECM