Circuit/System Verification

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, observe the scan tool Ext. Driver Door Handle Switch, Ext. Psgr. Door Handle Switch, and Trunk Release Switch parameters while operating their respective release handle/touch pad. The parameter should change between Active and Inactive as commanded.
- If the parameter does not cycle between the specified values, refer to Power Door Latch System Malfunction .
With the vehicle locked, attempt to passively unlock and access the vehicle at the left door, right door, and rear compartment by approaching the vehicle with a valid transmitter and operating their respective release handle/touch pad. Each door and the rear compartment should unlock/unlatch and open.
- If both doors and the rear compartment do not unlock/unlatch and open, refer to Passive Transmitter Malfunction .

If only one door or the rear compartment does not unlock/unlatch and open, refer to Antenna Circuit Malfunction .