What does no bus mean on a Jeep Cherokee?
A no bus appears on the dash and the engine does NOT run. This is your problem. A good majority of times, it is a failed (shorted) crankshaft position sensor causing this. Theoretically, any 5 volt engine management sensor can short and cause this problem, but the crank sensor is the most suspect. Try this simple test.
What would cause a Jeep Cherokee to not start?
The most common causes that hinders normal starting operation of your Grand Cherokee are dead key fob battery, dead 12v battery, corrosion on battery terminals, bad alternator, clogged fuel filter, broken starter, blown fuse, empty gas tank, immobilizer error or any fault in the electrical system.
What is no bus Dodge?
If You see a no bus error message on the instrument cluster in Your Dodge Dakota that means that Your gauge cluster has lost communication with the ECU. The ECU communicates with instrument cluster via a system that is called CAN BUS. If it is loose at all then that would lead to a loss of communication.
What do I do if my Jeep Cherokee won’t start?
How is a no-start diagnosis fixed? Correcting most no-start problems usually involves replacing the alternator, starter or battery, cleaning connections, ignition system repairs, or fuel system repairs.
How do I reset my Jeep Cherokee?
How to Reset the Jeep Grand Cherokee Service Required Message
- Turn the ignition switch to the “ON” position without starting the vehicle.
- Press the gas pedal to the floor slowly three times within 10 seconds.
- Turn the ignition off. Wait 10 seconds and start the engine.
Why does my odometer say 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 PT Cruiser?
“NO BUS” means that your insturment cluster is not communicating with the onboard computer. Your cars have a “data bus” the same as a personal computer. It is basically just part of the Chrysler computers wiring system.
