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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 169 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> DTC B101E (K124 Active Safety Control Module) >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2021 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle In Service Mode.
  2. Verify DTC B101E is not set.
    • If DTC B101E is set 
    1. Program the K124 Active Safety Control Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K124 Active Safety Control Module.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If DTC B101E is not set 
  3. All OK
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