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Circuit/System Testing

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the K17 Electronic Brake Control Module (EBCM).
  2. Test for less than 5 Ω between the ground circuit terminals listed below:
    • Ground circuit terminal 14 and ground.
    • Ground circuit terminal 46 and ground.
    • If greater than 5 Ω 

      Test/repair the ground circuit for an open/high resistance.

    • Go to next step: If less than 5 Ω 

      Go to next step: Replace the K17 Electronic Brake Control Module