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2003 Chevrolet Silverado 3500 LS 6.6L Transmission No Shift
Posted to GM Transmission on 8/14/2012 5 Replies

This truck came in with P0748 in TCM, and no shift, stuck in first (I think it's first). I cleared the code and it comes back instantly. Activated trim solenoid "A" with Tech 2 per Mitchell, shows 79% duty cycle, but no amps. For comparison, solenoid "B" shows...

5 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Silverado 3500 LS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 3500 LS

VIN 1GBJK39123
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTransmission No Shift
ConditionsP0748, No Shift
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 3500 LS

VIN 1GBJK39123
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTransmission No Shift
ConditionsP0748, No Shift