GM Service Manual Online
For 1990-2009 cars only

DIC Warning Message

Possible Cause

Solution

Important:  This diagnostic table is to be used only in conjunction with other diagnostic procedures in this section. Using this diagnostic table without being directed to its use, may result in the misdiagnoses of the power folding top system.

ATTACH TRUNK PARTITION

    • Luggage barrier not in place
    • Luggage barrier switch circuitry
    • Open luggage barrier switch
    • Install the luggage barrier.
    • Repair open in the switch supply voltage circuit
    • Repair open in the switch signal circuit
    • Replace luggage barrier switch
    • Replace folding top control module

CLOSE TRUNK TO MOVE TOP

    • Trunk ajar switch circuitry
       - Open in the switch supply voltage circuit
       - Open or a short to ground in the switch signal circuit
    • Trunk ajar switch

Refer to Trunk Ajar Indicator Always On

SET PARK BRAKE TO MOVE TOP

    • Park brake switch circuitry
       - Open in the park brake switch ground circuit
       - Open in the park brake switch signal circuit
    • Park brake switch

Refer to Brake Warning Indicator Inoperative

SHIFT TO PARK TO MOVE TOP

    • Gear shift mode switch circuitry
       - Open in the gear shift mode switch ground circuit.
       - Open in the park/neutral signal circuit
    • Gear shift mode switch

Refer to Starter Solenoid Does Not Click

TOP MOTOR OVER TEMPERATURE

    • Internal short in the folding top pump motor
    • Folding top pump motor temperature sensor circuitry
    • Temperature sensor
    • Folding top module

Refer to Diagnostic System Check - Vehicle

TOP NOT SECURE

    • Tonneau latch circuitry
    • Tonneau relay
    • Tonneau latch
    • Top open switch
    • Pin receiver switch
    • 5 Bow lowered switch
    • Repair the short to ground in the folding top cover ajar signal circuit.
    • Short to B+ in the control circuit of the folding top cover latch.
    • Open in the circuitry of the pin receiver switch.
    • Open in the circuitry of the top open switch.

TOO COLD TO MOVE TOP

    • Folding to pump motor temperature sensor
    • Folding top pump motor temperature sensor circuitry
    • Folding top module

Refer to Diagnostic System Check - Vehicle

UNLATCH HEADER TO MOVE TOP

    • Pin receiver switch circuitry
    • Pin receiver switch
    • Unlatch the header.
    • Repair the short to voltage in the folding top connected signal circuit.
    • Replace the pin receiver switch.