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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B1023 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a scan tool and display the inputs data list of the affected door module.
    • If any of the integrated switch inputs are displayed as Active while in an inactive state, replace the door module.
  2. Clear the DTCs.
  3. Activate all of the integrated switch functions.
    • If the DTC resets, replace the affected door module.
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