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1996 Chevrolet K3500 Cheyenne 6.5L TCC Lockup
Posted to GM Transmission on 10/26/2004 10 Replies

This 4L80-E comes in and out of lock up whenever it likes - but it has to be driven up above 70MPH before it acts up, any slower speeds it's ok. Trans shop brought it in couple of weeks ago with new trans and EPC was not working after, the PCM was burnt up. Re...

10 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1996 Chevrolet K3500 Cheyenne

VIN 1GCHK39F5T
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTCC Lockup
ConditionsErratic Opperation (In and Out Real Fast)
Misc.4X4 Dual Rear Wheel
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet K3500 Cheyenne

VIN 1GCHK39F5T
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTCC Lockup
ConditionsErratic Opperation (In and Out Real Fast)
Misc.4X4 Dual Rear Wheel