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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 510 (Engine Controls And Fuel - 3.6L (LLT) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P163A: Control Module Fuel Pressure Regulator 1 Control System Circuitry Performance >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition OFF, disconnect the harness connector at the G18 High Pressure Fuel Pump.
    2. NOTE:

    The DMM and test leads must be calibrated to 0 Ω in order to prevent misdiagnosis.

  2. Test for 0.35-0.6 Ω at 20°C (68°F) of resistance between low control circuit terminal 1 and high control circuit terminal 2.
    • If not within the specified range 

      Replace the G18 High Pressure Fuel Pump.

    • If within the specified range 
  3. Test for infinite resistance between each terminal and the High Pressure Fuel Pump housing/case.
    • If less than infinite 

      Replace the G18 High Pressure Fuel Pump.

    • If infinite 
  4. All OK.
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