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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P158A: Cruise Control Calibration Incorrect >> Circuit/System Description

Circuit/System Description

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The type of cruise control system the vehicle has is programmed into the body control module and the engine control module. If this information is not the same in both modules DTC P158A will set.