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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Power Seat System) >> Diagnostic Information and Procedures >> Lumbar Support Malfunction (Driver Seat Sedan with AQ9 without A45) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. 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
B+ 1 1 - -
Driver Power Seat Lumbar Motor Forward Control 1 2 - -
Driver Power Seat Lumbar Motor Rearward Control 1 2 - -
Ground - 1 - -
1. The power seat and the lumbar support functions are inoperative
2. The lumbar support is inoperative
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