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GMC Truck
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1991
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C 2500 Truck 2WD V8-305 5.0L
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Repair and Diagnosis
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Powertrain Management
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PROM - Programmable Read Only Memory
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Technical Service Bulletins
PROM - Programmable Read Only Memory: Technical Service Bulletins
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Customer Interest
A/T - 4L80/4L80-EHD Delayed Shifts In Low Gear
All Technical Service Bulletins
Engine - THIS BULLETIN HAS BEEN CANCELED
PROM - Powertrain Control Module Reprogramming
A/T - 4L80/4L80-EHD Delayed Shifts In Low Gear
ECM/PCM - Installation Procedures/Mem-Cal Concerns