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Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis (Single Page) >> Brakes >> Parking Brake System >> Electric Parking Brake System >> DTC U0073/51, U0100/53, U0124/55, U0129/52: Control Module Communication Bus OFF; Lost Communication with ECM/PCM; Lost Communication with Lateral Acceleration Sensor Module; Lost Communication with Brake System Control Module >> Inspection Procedure

Inspection Procedure

  1. CHECK DTC 
    1. Turn the engine switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the engine switch on (IG) and the Techstream on.
    4. Clear the DTC (See DTC CHECK/CLEAR  ).
    5. Turn the engine switch off.
    6. Turn the engine switch on (IG) and check for DTC.

Result 

RESULT REFERENCE TABLE

Result Proceed to
DTC is output A
DTC is not output B

B: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: GO TO CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )

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