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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Vehicle Access System) >> Diagnostic Information and Procedures >> Door Ajar Indicator Malfunction >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Left Front Door Ajar Switch Signal 1 2 2 -
Right Front Door Ajar Switch Signal 1 3 3 -
Right Rear Door Open Switch Signal 1 4 4 -
Ground - A23D Door Latch Assembly - Driver - 2 - -
Ground - A23P Door Latch Assembly - Passenger - 3 - -
Ground - B28F Door Ajar Switch - Right Sliding - 4 - -
  1. Door Ajar Indicator = Always On
  2. Door Ajar Indicator - Driver Door = Always Off
  3. Door Ajar Indicator - Passenger Door = Always Off
  4. Door Ajar Indicator - Right Rear Door = Always Off