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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B291A >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify DTC B291A is not set.
    • If the DTC is set 

      Test or replace the P25 Power Sounder.

    • Go to next step: If the DTC is not set 
  3. All OK.
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