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International Automotive Technicians Network
2005 GMC C6500 6.6L Lost High Idle
Posted to GM Driveability on 7/30/2008 1 Reply

ths truck has lost it's pto high idle operations and cruise function. repair cruise by replacing defective stop lamp switch with oem. when the oem dash pto switch is pressed normally the high idle begins in approx 8-10 secs. no codes, checked ecu inputs and al...

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Message Closed w/Summary

car Vehicle Data

2005 GMC C6500

VIN 1GBE5C1265
Engine6.6 L / 8 cyl
DeliveryFI / DIESEL
EmissionsOBD-II Compliant
SymptomsLost High Idle
OccursAlways
Misc.Medium Duty
Message Closed w/Summary

car Vehicle Data

2005 GMC C6500

VIN 1GBE5C1265
Engine6.6 L / 8 cyl
DeliveryFI / DIESEL
EmissionsOBD-II Compliant
SymptomsLost High Idle
OccursAlways
Misc.Medium Duty