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2010 - 2018 CAN-BUS Operation - Dodge Cummins Diesel Forum While the CAN bus is operating (active), one of the bus wires will carry a higher voltage and is referred to as the CAN High or CAN bus (+) wire, while the other bus wire will carry a lower voltage and is referred to as the CAN Low or CAN bus (–) wire
CAN Bus Network - Electrical - Mopar1973Man. Com LLC There are actually three separate CAN bus systems used in the vehicle They are designated: the CAN-B, the CAN-C and the Diagnostic CAN-C The CAN-B and CAN-C systems provide on-board communication between all nodes in the vehicle
CAN BUS Troubleshooting Guide (with Video) - Enovation Controls Help Center A low voltage of 1 4VDC or less on either of these indicates a potential failure on the CAN port of the device If voltages are exactly 2 50 VDC, and do not change after several seconds, this indicates the device connected is powered but not broadcasting data
High speed or low speed can bus system question. - DODGE RAM FORUM Everything I've read says make sure you know if your radio uses the low speed or high speed can bus system They are not interchangeable All the units I'm looking to buy are identified as either high or low speed so that's not a problem What I can't confirm is if my truck is high or low speed
U0164? - Dodge Dart Forum While the CAN bus is operating (active), one of the bus wires will carry a higher voltage and is referred to as the CAN High or CAN bus (+) wire, while the other bus wire will carry a lower voltage and is referred to as the CAN Low or CAN bus (-) wire
electrical issues- CAN bus - Dodge Cummins Diesel Forum At least one electronic control module on the data bus must provide a voltage source for the CCD data bus network known as bus bias, and there must be at least one bus termination point for the data bus circuit to be complete
Help Code U0164 Lost Comm w HVAC Control Module - Dodge Cummins Diesel . . . On control module check for 12V power at connector C1-3 and C1-1 when key RUN Also check for ground at C1-2 Continuity is good but should try to test resistance in circuit wiring, since can bus communication sends high low voltage signals which could be effected by high low resistance
U0101 - Lost Communication with TCM - DODGE RAM FORUM Lost communication DTCs are common and should self-clear or become aged after a few minutes If the DTC doesn't clear then, on the simpler side of troubleshooting, make sure the module has power You could also pull all the electrical connectors and reseat them