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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 326 (Computer/Integrating Systems) >> Diagnostic Information and Procedures >> DTC B0005 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect a test lamp between the park enable signal circuit and battery positive voltage.
  2. Ignition ON, place the transmission in the PARK position. The test lamp should not illuminate.
    • If the test lamp does illuminate, test for a short to ground on the park enable signal circuit. If the circuit tests normal and the DTC is current, replace the BCM.
  3. If the circuit tests normal and the DTC is current, test or replace the SEO device.
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