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Home >> Cadillac >> 2007 >> STS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B1023 >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2007 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, install a scan tool and display the inputs data list of the affected door module. All integrated switch inputs should display INACTIVE while not in use.
    • If any of the integrated switch inputs are displayed as ACTIVE while not in use, replace the door control module associated with the malfunctioning switch.
  2. Clear all DTCs and operate the integrated switches at each door control module within the Conditions for Running the DTC.
    • If the DTC resets, replace the appropriate door control module.
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