DTC U0073: Control Module Communication Bus "A" Off; DTC U0100: Lost Communication With ECM / Pcm "A"; DTC U0101: Lost Communication With TCM; DTC U0126: Lost Communication With Steering Angle Sensor Module [05/2014 - ]: Procedure

1. Clear the DTCs. Refer to DTC CHECK / CLEAR [05/2014 - ] .
2. Turn the ignition switch off.
3. Start the engine.
4. Drive the vehicle at a speed of 15 km/h (9 mph) or more and turn the steering wheel to the right and left.
5. Check that no CAN communication system DTC is output. Refer to DIAGNOSIS SYSTEM [05/2014 - ] .
6. If VSC system DTCs are output, record them. Refer to DTC CHECK / CLEAR [05/2014 - ] .

   Result

   Result	Proceed to
   DTC is not output.	A
   DTC is output.	B
   CAN communication system DTC is output.	C

   HINT: 

   The CAN communication system must be normal when performing troubleshooting for sensor DTCs (for VSC system).

B → See step   3 

C → See step   2 

A → See step   4