What does it mean when a vehicle says no Bus?
What does it mean when a vehicle says no Bus?
check all grounds and sensor plugs. “No Bus” means the CCD communication bus is down. This “bus” is the 2 wire communication network that all the computers share information on. Your instrument cluster isn’t gettin any info over the bus that’s why you get the ‘no bus’ message and none of your gauges work.
Why does my Dodge Ram have no bus?
These 5v sensors can short out the CCD bus because they share the same power source. You will have to cycle the key off and on to reset the PCM and CCD bus once you find the problem. “I’ve usually found that the no-buss on the pickups generally comes from the ABS unit.
How do you get the bus odometer on a Dodge Ram?
Then turn the key on, and from left to right,plug them in one at a time. After their all plugged in,turn the key off. Turn the key back on, and now slowly apply the throttle pedal to wide open and hold it for 3 seconds and then cycle the pedal 2 to 3 times. Your giving the computer the range of the TPS. Now turn off the key again, and now restart.
How many miles does no bus on dash mean?
“NO BUS” on dash, would not change gears, no speedo/tach, all lights flashing, ect. Limped it the rest of the way to work and now trying to figure out my next step. It’s a 3.6L, 40,xxx miles.
What kind of truck has no bus gauges?
I have a 2000 ram 1500 2X with the 5.9 automatic, however I believe that this is applies to all gen2 trucks regardless of drivetrain or engine type. My Story… See the end to get straight to my find. I’ve had my gauges go out with the “no bus’ message in the odometer window three times now!
What to do if your Dodge Ram says no bus?
Using a Digital Volt Ohm Meter (DVOM) or labscope, measure the voltage on the 5v reference wire at the Throttle Position Sensor (TPS) or Manifold Absolute Pressure (MAP) sensor. If 5v is not present, unplug the Camshaft Position (CMP) sensor. Turn the key off for 10 seconds. Turn the key on and measure the voltage on the 5v power supply circuit.
What causes the No Bus message on the odometer?
Symptom: Engine will not start. Gauges are inoperative. “No BUS” message displayed on odometer. Problem 1 of 2: The 5v power supply from the Powertrain Control Module (PCM) is shorted due to a shorted Crankshaft Position (CKP) Sensor.
I have a 2000 ram 1500 2X with the 5.9 automatic, however I believe that this is applies to all gen2 trucks regardless of drivetrain or engine type. My Story… See the end to get straight to my find. I’ve had my gauges go out with the “no bus’ message in the odometer window three times now!
What to do if your Dodge Ram runs out of power?
Turn the key off for 10 seconds. Turn the key on and measure the voltage on the 5v power supply circuit. If the voltage is now 5v, replace the CMP sensor. After replacing the crank senso the vehicle runs for 5- 10 minutes and stalls.
