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U1000 Diagnostic Trouble Code Discussion for August 2024

Class 2 Communication Malfunction


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Trouble Ticket Help Requests for DTC U1000
Help Request Posted
2015 Ram 2500 Tradesman 6.7L No Start VIN: 3C6UR5HL3F
U1000: Lost communication with ECM/PCM. This diesel truck does not crank and does not communicate with scanner on CAN C bus. Most other functions are ok and scanner communicates with other systems in non-CAN 'C' protocol. After checking all fuses and main power and ground feeds, I disconnecte...
August 02, 2024
2015 Ram 2500 Tradesman 6.7L No Start VIN: 3C6UR5HL3F
U1000: Lost communication with ECM/PCM. This diesel truck does not crank and does not communicate with scanner on CAN C bus. Most other functions are ok and scanner communicates with other systems in non-CAN 'C' protocol. After checking all fuses and main power and ground feeds, I disconnecte...
August 06, 2024