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P0573 Diagnostic Trouble Code Discussion for March 2013

Brake Switch 1 Circuit High

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Trouble Ticket Help Requests for DTC P0573
Help Request Posted
2007 Chevrolet Suburban 1500 LTZ 5.3L Poor Idle Quality, High Idle VIN: 1GNFK16397
P0573: Brake Switch 1 Circuit High Voltage. I'm stuck on this one. I replaced the Brake switch due to it showing Applied all the time. I also cleaned the Throttle body. After 2 or 3 starts I got a high Idle.2800rpm I tried to relearn the Idle with Snap-on Modis. It would be ok for 2 or 3 key cycles. I...
March 08, 2013