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1998 Chevrolet C3500 Silverado, ECM/Inputs/Outputs Waveform
Posted to the Waveform Library on 10/21/2016

Trans will shift rapidly and erratically between all gears under moderate to heavy load. The PCM appears to be commanding these shifts. There are some dropouts on both the ISS and OSS signals that do not appear to correspond to the shifting but do reflect each...

 

car Vehicle Data

1998 Chevrolet C3500 Silverado 6.5L

Engine6.5 L / 8 cyl / DIESEL
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
ComponentOther,
ConditionUnknown

car Vehicle Data

1998 Chevrolet C3500 Silverado 6.5L

Engine6.5 L / 8 cyl / DIESEL
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
ComponentOther,
ConditionUnknown