DTC U0073/51: Control Module Communication Bus OFF; DTC U0100/53: Lost Communication with ECM/PCM; DTC U0124/55: Lost Communication with Lateral Acceleration Sensor Module; DTC U0129/52: Lost Communication with Brake System Control Module: Procedure

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. Refer to DTC CHECK / CLEAR .
5. Turn the engine switch off.
6. Turn the engine switch on (IG) and check for DTC.

   Result

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

B → See step   2 

A → See step   3