DTC U0293: Lost Communication with HV ECU: Procedure

WARNING: This page is about a different variant/trim than selected.

CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU)

OK: Go to next step
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND)

OK: Go to next step
CHECK FOR DTC
1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Check for DTC again.
  OK
  
  DTC U0293 is not output
NG → See step 4

OK → See step 5
REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL
USE SIMULATION METHOD TO CHECK. Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE