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Home >> Chevrolet >> 1999 >> Blazer 4D Utility, 4WD, Automatic >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - Diagnosis - New Venture 233 (SELECTABLE 4WD) >> Diagnostic Tests >> DTC 3: TCCM Motor Circuit >> Conditions For Clearing DTC

Conditions For Clearing DTC

In the event that one of the motor control circuits is energized (battery voltage is applied) the transfer case shift control module will energize the other motor control circuit to keep the motor from running. All switch indicator lamps will flash continuously to prompt the driver that service is required. The transfer case system will be disabled and the transfer case shift control module will remain energized even with the ignition in the OFF position.



The condition for setting the DTC is no longer present and a momentary loss of battery power at the battery positive voltage circuit (CKT 40).