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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 357 (Cruise Control System) >> Diagnostic Tests >> DTC P1574: BRAKELIGHT Switch Circuit >> Conditions For Setting The DTC

Conditions For Setting The DTC

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

A 2.5 MPH (4 KM/H) or greater decrease in non-drive wheel speed in 0.4 seconds, and extended travel of brakelight switch or cruise release switch, indicating brakes applied and no transition noticed in the brakelight contacts of the brakelight switch.