The general pressure fault was cleared by tapping on the DEF pump a few times, All codes are gone, but I still have a Tampering fault and Derate of engine RPM. Only will Idle Not sure where to go from here to clear this fault as there is no other codes or faults to reference. Any knowledge out...
Check your ground and hot wires at the battery and then at the starter. If the battery has a full charge, check if the battery drops voltage when you load test it.
You may have blown a hose inside under the cab. Check your hydraulic fluid level. If it's lower then it was, lift the cab and look inside where the hoses go to the pump. The hoses usually leak outside where they connect to the drive hub, but may have broken inside the frame.
Our 2016 T870 bobcat Ser# ASTW12057 has a SCR fault warning of U005435-12 (general pressure check fault) which also has triggered a tampering fault. I cannot find any reference as to where a pressure sensor is or check would take place. We recently had to replace the pretreatment temperature...