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DTC B2948 Circuit Description The Passlock(tm) system is provided in order to prevent vehicle theft if the ignition lock cylinder is forced to When the correct key is used to start the vehicle, a magnet on the lock cylinder passes close to the Passlock(tm) 4 Test the Passlock(tm) battery voltage circuit for a short to Go to Step 10 Go to Step 5 5 Inspect for poor connections at the body control module Go to Step 10 Go to Step 7 6 Inspect for poor connections at the Passlock(tm) sensor. Go to Step 10 Go to Step 8 7 Replace the BCM. Refer to Body Control Module IMPORTANT: When replacing the BCM refer to Body Control Module Go to Step 10 - 8 Replace the Passlock(tm) sensor. Refer to Ignition Lock Go to Step 9 - 9 Perform the Passlock(tm) learn procedure. Refer to Go to Step 10 - 10 1. Use the scan tool in order to clear the DTCs. 2. Operate the vehicle within the conditions for running the DTC as specified in the supporting text. Does the DTC reset? Go to Step 3 System OK
2004 Hummer H2 2004 ACCESSORIES & EQUIPMENT Theft Deterrent - Hummer H2
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