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Home >> Saturn >> 2006 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 475 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P1574 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, observe the Stop Lamp Pedal Switch parameter in the ECM while applying and releasing the brake pedal. The reading should change between Applied/Released, and all brake lights should turn on and off accordingly.

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