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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1703 (Engine Controls And Fuel - 2.4L - DTC P0324 To DTC P1400) >> DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 >> Circuit/System Testing for the DTC

Circuit/System Testing for the DTC

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Observe the DTCs with the scan tool.
    • If DTC P0602 is set, attempt to program the ECM before replacing the ECM. Refer to Control Module References for ECM replacement, setup, and programming.
    • If DTC P0602 resets, replace the ECM.
  2. Test the voltage and ground inputs to the ECM for the following:
    • A short
    • An open
    • High resistance
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