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Home >> GMC >> 2020 >> Acadia SL >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Starting System And Charging System >> Diagnostic Information and Procedures >> DTC B1330 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connectors of the K84 keyless entry control module.
  2. Ignition OFF and scan tool disconnected, open and close the driver door, and wait 1 minute. Test for less than 10 Ω between the ground circuit terminals listed below and ground:
    • Terminal 2 X2
    • Terminal 6 X2
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Test for greater than 9 V between the B+ circuit terminals listed below and ground:
    • Terminal 1 X2
    • Terminal 5 X2
    • If less than the specified range, test the B+ circuit for a short to ground or an open/high resistance.
  4. If the circuits test normal, replace the K84 keyless entry control module.