What does no Bus mean on a 2001 Dodge Ram?
What does no Bus mean on a 2001 Dodge Ram?
“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.
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.
How to test a Dodge 3.9L no start condition?
How To Test The Starter Motor (Dodge 3.9L, 5.2L, 5.9L). As you’re already aware, your Dodge 3.9L, 5.2L, 5.9L pick up (van, SUV) needs three very important things to start: air, fuel and spark. When your Dodge vehicle cranks but does not start, it’s because one of these three components is missing from the mix.
What does no crank mean on a Dodge truck?
In a no crank condition, the starter motor does not turn over the engine when you turn the key to start your vehicle. If your Dodge pickup (SUV, van) is suffering a no crank condition and you suspect the starter motor, the following tutorial may be of help: How To Test The Starter Motor (Dodge 3.9L, 5.2L, 5.9L).
Why does my Dodge pick up not start?
As you’re already aware, your Dodge 3.9L, 5.2L, 5.9L pick up (van, SUV) needs three very important things to start: air, fuel and spark. When your Dodge vehicle cranks but does not start, it’s because one of these three components is missing from the mix. Knowing this is the key to successfully diagnosing the problem. Why?
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.
Why does my Dodge Ram Van not start?
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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.
