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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> Liftgate Ajar Indicator Malfunction (With TB5) >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Signal - Liftgate Latch Ratchet Switch 1 2 - -
Signal - Liftgate Latch Pawl Switch 1 2 - -
Signal - Rear Closure Ajar Switch 1 B153A 08 - -
Low Reference - A23C Liftgate Latch Assembly - B24A0 05 - -
  1. Driver Information Display - Rear Access Open = Always On
  2. Power Liftgate (TB5) = Disabled
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