DTC U0100: Lost Communication with ECM / PCM; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter: Procedure

1. Check for DTCs and note any codes that are output. Refer to DTC CHECK / CLEAR .
2. Clear the DTCs. Refer to DTC CHECK / CLEAR .
3. Recheck for DTCs. Refer to DTC CHECK / CLEAR .
   RESULT
   
   

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

B → See step   3 

A → See step   2