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Home >> Toyota >> 2014 >> RAV4 EV >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Diagnostic Codes (Chg_F076 - U0424-537) & Circuit Tests)) (Electric) >> Hybrid Control System >> DTC U0129-527: Lost Communication with Brake System Control Module; DTC U0129-528: Lost Communication with Brake System Control Module; DTC U0140-146: Lost Communication with Body Control Module; DTC U0151-763: Lost Communication with Restraints Control Module; DTC U0164-827: Lost Communication with HVAC Control Module; DTC U1146-480: Lost Communication with Electric Propulsion Control System Gateway [09/2013 - ] >> Procedure
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DTC U0129-527: Lost Communication with Brake System Control Module; DTC U0129-528: Lost Communication with Brake System Control Module; DTC U0140-146: Lost Communication with Body Control Module; DTC U0151-763: Lost Communication with Restraints Control Module; DTC U0164-827: Lost Communication with HVAC Control Module; DTC U1146-480: Lost Communication with Electric Propulsion Control System Gateway [09/2013 - ]: Procedure

  1. CHECK DTC OUTPUT 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: System Select / Health Check.
    4. Check if DTCs are output.

      Result

      Result Proceed to
      Power management control ECU outputs P2532-772 A
      Power management control ECU does not output P2532-772 B
    5. Turn the power switch off.

    B → See step   2 

    A → See step   3 

  2. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ] 
  3. GO TO DTC CHART (P2532-772). Refer to  DTC P2532-772: Ignition Switch Run Position Circuit High [09/2013 - ]