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Re: Chevrolet 2500HD Allison 1000 P0761 and P0873
Posted to Transmission Forum on 12/7/2012

P0761 is Shift Solenoid C Performance or Stuck off. P0873 Transmission Fluid Pressure Sensor/Switch C Circuit High

Have to tried to Active the shift solenoids via your scan tool with the pan off and see if you hear a click? Is there power and ground to the s... Login to read more.