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greater than 60 seconds. The BCM no longer detects the short to battery on the door unlock control circuit for 100 consecutive ignition cycles have been recorded without the DTC being detected. Diagnostic Aids If DTC B3142 or B3143 are history DTCs, the fault may be intermittent. Refer to Testing for Test Description The numbers below refer to the step numbers on the diagnostic table. 2: This step determines whether the key cylinder switch is shorted. 3: This step determines whether the driver switch assembly is shorted. DTC B3142 or B3143 Step Action Yes No Schematic Reference: Door Lock/Indicator Schematics 1 Did you perform the Diagnostic System Go to Step 2 Go to 2 1. Turn OFF the ignition. 2. Disconnect the driver switch assembly. 3. Turn ON the ignition, with the engine OFF. 4. Use the scan tool in order to clear the DTCs. 5. Operate the vehicle within normal operating conditions. Does the DTC reset? Go to Step 3 Go to Step 4 Test the door unlock control circuit for a
2007 Hummer H3 2007 ACCESSORIES & EQUIPMENT Vehicle Access - H3
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