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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0280: Stability System Active Too Long Malfunction >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Since most occurrences of this DTC are caused by excessive ABS, traction control or stability control usage, review with the customer the conditions under which the DTC set.
  1. Ignition ON.
  2. Verify that DTC C0186, C0196, C0287 or C0710 is not set.
    • If none of the DTCs are set 
  3. Ignition OFF, allow the hydraulic brake modulator valve to cool down to ambient temperature, ignition ON.
  4. Verify the DTC does not set while driving the vehicle under normal braking conditions.
    • If the DTC sets 
    1. Replace the Q5 Brake Pressure Modulator.
    2. Verify DTC C0280 does not set while driving the vehicle under normal braking conditions.
      • If the DTC does set, replace the K17 Electronic Brake Control Module.
      • If the DTC does not set.
    3. All OK.
    • If the DTC does not set 
  5. All OK.
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