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Home >> Chevrolet >> 2006 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 802 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P0703 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Repair any brake system related DTCs before performing this diagnostic.
  2. Verify that DTC P0572 or P0573 is not set as current.
  3. Verify that DTC P0703 is not set.
    • If DTC P0703 is set as current, replace the BCM. Clear the DTC and road test the vehicle. If DTC P0703 resets, replace the ECM/PCM.
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