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Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1193 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B2503 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2013 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, observe the scan tool Rear Closure Ajar Sw. parameter while opening and closing the trunk. The parameter should change between Inactive and Active.

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