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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Cruise Control System) >> Diagnostic Information And Procedures >> DTC P158A: Cruise Control Calibration Incorrect >> Circuit/System Description
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Circuit/System Description

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

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.