× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1996 GMC K2500 Sierra SL 5.7L Tcc
Posted to GM Transmission on 2/7/2011 15 Replies

At 50-55 mph only in 3rd or 4th gear tcc solenoids are cycling on and off. This is cuasing a rpm "surge". Unhooked the egr and evap sol with no change. New tps installed. All input and output speeds steady on graphing scanner. It appears that the ecm is turnin...

15 Replies Received (View Replies)

  Related Documents & Media  1996 GMC K2500 Sierra SL

 
Message Closed w/Summary

car Vehicle Data

1996 GMC K2500 Sierra SL

VIN 1GTGK29R9T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTCC
ConditionsCycles On/Off
Misc.4L80e
Message Closed w/Summary

car Vehicle Data

1996 GMC K2500 Sierra SL

VIN 1GTGK29R9T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTCC
ConditionsCycles On/Off
Misc.4L80e