LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2020 >> XT6 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Battery, Starting System And Charging System) >> Diagnostic Information and Procedures >> Proactive Alert Identifier SAC004 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 GMC Yukon XL, 2020 GMC Yukon, 2020 Chevrolet Tahoe, 2020 Chevrolet Suburban, and 2020 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE:

    The Appropriate SAC004 Proactive Alert Labor Code Must be used to accurately process the claim. See Labor Time Guide: "Engine/Propulsion Proactive Alerts".

  1. Verify the customer has the Proactive Alert SAC004 from OnStar or by using the Scan Tool "Vehicle Diagnostics" - "Vehicle Proactive Alerts".
    • If Proactive Alert SAC004 is present. 
    1. Verify the battery cable connections are clean and tight and verify Voltage is between 12.0 - 15.0 V
      • Go to next step: If within the specified range 
    2. Test for less than 0.5 V between the C1 Battery positive battery terminal and positive terminal at the X50D Fuse Block - Battery with the ignition in the CRANK/START position.
      • If 0.5 V or greater 

        Replace the positive battery cable between the C1 Battery and X50D Fuse Block - Battery.

      • Go to next step: If less than 0.5 V 
    3. Test for less than 0.5 V between the positive battery cable at the X50D Fuse Block - Battery and terminal 1 X2 or A X2 at the M64 Starter Motor with the ignition in the CRANK/START position.
      • If 0.5 V or greater 

        Replace the battery starter cable between the X50D Fuse Block - Battery and M64 Starter.

      • Go to next step: If less than 0.5 V 
    4. Test for less than 0.5 V between the negative battery cable and the M64 Starter Motor case with the ignition in the CRANK/START position.
      • If 0.5 V or greater 

        Replace the negative battery cable.

      • Go to next step: If less than 0.5 V 
    5. Test for less than 100 mV between the C1 Battery positive battery terminal and positive terminal at the X50D Fuse Block - Battery with the ignition in the CRANK/START position.
      • If 100 mV or greater 

        Replace the M64 Starter Motor and the positive battery cable between the C1 Battery and X50D Fuse Block - Battery.

      • Go to next step: If less than 100 mV 
    6. Replace the M64 Starter Motor.
    • Go to next step: If Proactive Alert SAC004 is not present. 
  2. All Ok.
scientia non olet · About LEMON Manuals