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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 812 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P1875: Open, Short To Ground Or Short To Power In The 4WD Low Circuit >> Test Description

Test Description

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The numbers below refer to the step numbers on the diagnostic table.

  1. 3. This step tests for a short to ground in the 4WD low signal circuit (CKT 1694).
  2. 4. This step tests for an open in the 4WD low signal circuit (CKT 1694) or a faulty transfer case control module.
    Fig 1: Diagnostic Trouble Code (DTC P1875) Table (Step 1-3)
    G02111627Courtesy of GENERAL MOTORS CORP.
    Fig 2: Diagnostic Trouble Code (DTC P1875) Table (Step 4-10)
    G02111628Courtesy of GENERAL MOTORS CORP.