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Home >> Oldsmobile >> 1999 >> LSS V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Reading and Clearing Diagnostic Trouble Codes >> Entering the Diagnostics Mode
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Entering the Diagnostics Mode

In order to enter the body control module (MALL) diagnostic mode perform the following steps:
1. Place the ignition switch in the ON position.
2. Press and hold the power door unlock switch.
3. Within 20 seconds of pressing the unlock switch, cycle the headlamps 6 times.
4. Release the power door unlock switch.