LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2008 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 548 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P0703 >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that DTC P0571, P0572 or P0573 is not set.
  2. Verify that DTC P0703 is not set.
    • If DTC is set, replace the IPM. Clear the DTC and road test the vehicle. If DTC resets, replace the ECM.
scientia non olet · About LEMON Manuals