K 3500 Truck 4WD V8-5.7L VIN R (1998)
Diagnostic Chart
IMPORTANT: Whenever the transmission 20-way connector is disconnected and the engine is running, multiple DTCs will set. Clear any DTC codes
after finishing the procedure.
GMC Workshop Service and Repair Manuals
Transmission Speed Sensor, A/T >
< Heavy Duty Transmission|Page 8195
Page 2
