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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 129 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 >> Circuit/System Testing

Circuit/System Testing

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  1. Ignition OFF, disconnect the harness connector at the seat adjuster switch.
  2. Test for infinite resistance between each seat direction signal terminal and the switch B+ terminal with the switch in the open position.
    • If not Inactive, test the signal circuit that displays Active for a short to voltage. If the circuit tests normal, replace the MSM.
  3. If all circuits test normal, test or replace the seat adjuster switch.
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