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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0430 To DTC P2080) >> Diagnostic Information and Procedures >> DTC P163C: Glow Plug Control Module Primary Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine running.
  2. All accessories OFF, measure and record the battery voltage at the battery terminals. The voltage should be between 12.6 and 15 V.
    • If between 12.6 and 15 V 
  3. Verify the scan tool ECM Voltage parameter reading is between 12.6 and 15 V.
    • If not between 12.6 and 15 V 

      Refer to Circuit/System Testing.

    • If between 12.6 and 15 V 
  4. Verify the scan tool GPCM Ignition 1 Signal parameter is between 12.6 and 15 V.
    • If not between 12.6 and 15 V 

      Refer to Circuit/System Testing.

    • If between 12.6 and 15 V 
  5. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not set. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
    • If a DTC sets 

      Refer to Circuit/System Testing.

    • If a DTC does not set 
  6. All OK.
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