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Possible Causes

Vehicle damage
CCM concern

AQ1

Ignition ON, engine OFF.
Carry out the ABS self-test.

Are any other DTCs present besides U2107:68?

Yes	No
DIAGNOSE all other ABS module DTCs first. REFER to the ABS Module DTC Chart .	Go to AQ2.

AQ2: CHECK FOR CCM DTCS

Carry out the C-CM self-test.

Are any CCM DTCs present?

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 that may cause rapid vehicle deceleration.