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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1370 (Engine Controls And Fuel - 4.3L - DTC P0016 To DTC P0336) >> DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 >> Circuit/System Testing >> P0325, P0327, P0328, P0330, P0332, or P0333

P0325, P0327, P0328, P0330, P0332, or P0333

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, engine OFF.
  2. Disconnect the appropriate KS harness connector.
  3. Measure for 2-3 volts between each of the following circuits and ground on the ECM side of the harness connector.
    • The KS signal circuit terminal A
    • The KS low reference circuit terminal B
    • If less than the specified range, test the circuits for a short to ground or an open/high resistance. If the circuits test normal, replace the ECM.
    • If greater than the specified range, test the circuits for a short to voltage. If the circuits test normal, replace the ECM.
  4. If all circuits test normal, replace the KS.
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