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Home >> Toyota >> 2004 >> Sienna XLE, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Laser Cruise Control System - Diagnosis >> DTC U0122/64: Lost Communication With Vehicle Dynamics Control Module >> Inspection Procedure

Inspection Procedure

  1. 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.
    1. NG : REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 
    2. OK : Go to next step. 
  2. REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU), see  REPLACEMENT  or  REPLACEMENT  . 

    HINT:

    • If the problem still occurs after the replacement, replace the ECM.
    • When a malfunction is found in the skid control ECU, replace the brake actuator assembly.
    1. Go To Next Step. 
    2. REPLACE ECM, see  ECM  .