Possible Causes

• Ignition ON, engine OFF.

  Carry out the ABS self-test.

• Is DTC U2107:68 the only ABS module DTC present? 

  Yes	No
  Go to  AQ3.	DIAGNOSE all other ABS module DTCs first. REFER to the ABS Module DTC Chart.

Carry out the IPMA self-test.

• Are any DTCs present in the IPMA? 

  Yes	No
  DIAGNOSE the IPMA DTC. REFER to the Rear View Mirrors article.	Go to  AQ3.

Carry out the C-CM self-test.

• Are any DTCs present in the CCM? 

  Yes	No
  DIAGNOSE the CCM DTC. REFER to the appropriate Cruise Control article.	INSPECT the vehicle braking system for a dragging condition or another condition causing rapid vehicle deceleration.