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Home >> GMC >> 2000 >> Safari Van Passenger, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1595 (Keyless Entry System And Remote Functions) >> Diagnostic Information and Procedures >> DTC B3109 >> Circuit/System Testing
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Replace the batteries in the transmitter and with the scan tool clear the DTC.
  2. Operate the transmitter three consecutive times.
    • If the DTC sets again, test the battery.
  3. If all circuits test normal, test or replace the transmitter.
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