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What does no bus mean on 1999 Dodge Ram 1500?

What does no bus mean on 1999 Dodge Ram 1500?

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“No bus” is your ECM telling that one of the other computers onboard doesn’t wanna talk to the ECM. This is “usually” a wiring/connector problem. Check you wiring/connections, especially under the drivers side kick panel.

Where is the PCM on a Dodge Ram 1500?

The Dodge Ram 1500 series PCM can be found in the engine compartment on the right side of the firewall. This controls all of the functions of Your engine and powertrain for the truck. If Your vehicle is running rough one of the first things You should check is the PCM.

What does it mean when your truck says no bus?

“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.

What does no bus mean on a Chrysler 200?

“No Bus” refers to the data bus by which the computers communicate with each other and with the various components which they read and control. It’s not working. Think of it as a single wire that runs through the car with tap off of it for pretty much everything that the computer communicates with.

What does no bus mean 2002 Dodge Ram 2500?

“no bus” means lost communication with the ECM. Pull your connections to your ECM, spray them down really good with electrical contact cleaner, lube em up with dielectric grease, and see what happens. If there is no change, then im sorry to say, but you will likely need a new ECM.

What does no bus mean on a 2007 Dodge Nitro?

“No bus” indicates that the communication between the computers has failed. The computers communicate via a CAN BUS system. Kind of like a computer network at work or home does. This can be caused by a loose/bad connection at any one of the computer systems in the Nitro.

What does no bus mean on a 2004 Chrysler Sebring?

“No Bus” means that the network that connects the car’s computers to each other and to the things they monitor and control is not working properly. Changing the crankshaft position sensor is like changing a light bulb when there’s a power failure in the neighborhood…it ain’t gonna help.