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P1258 Diagnostic Trouble Code Discussion for December 2010

Engine Coolant Over-Temperature - Fuel Disabled

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Trouble Ticket Help Requests for DTC P1258
Help Request Posted
2004 GMC Yukon XL 1500 SLT 5.3L Cuts out, MIL Lamp on, Engine Overheat Msg VIN: 1GKEC16T54
P1258: Engine Coolant Over-Temperature - Fuel Disabled. ... "Stability System Disable" then "Engine Overheated". Vehicle goes into limp home mode and runs with a lack of power. Coolant temp gauge on cluster will go full hot. Sometimes the gauge will drop right back down and vehicle cancels limp home...
December 29, 2010