Why does my Dodge Ram 1500 say no bus?

In the last month the truck suddenly shuts off while driving 3 times. when I try and restart the motor turns but it will not start and I get a “no bus” code on the odometer. After multiple attempts (5-10 min) it turns on.The dealer said they can’t find anything wrong and It could be the pcm (they need to check the truck when it’s dead).

What kind of car has no bus code?

I have a 2001 dodge ram 1500 5.9 auto 4×4 quad cab. In the last month the truck suddenly shuts off while driving 3 times. when I try and restart the motor turns but it will not start and I get a “no bus” code on the odometer.

Is there a way to fix no bus no gauges?

No Way Not three times with it working fine for months in between. Cut to the chase. The Connector to the PCM wiring harness at the PDC was loose! Its the one that has a bolt in the middle of a square white connector. As I started to unscrewed it I noticed that the bolt was not tight. Ah ha!

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 are the problems with a 2002 Dodge Ram 1500?

Lighting issues are common in Dodge Ram trucks and are one of the most frequently-cited 2002 Dodge Ram 1500 electrical problems specifically. Owners find that their headlights, taillights or turn signals suddenly stop working, causing irritation at best and a safety hazard at worst.

Why is my Dodge Ram 1500 not shifting?

The transmission may also slip or refuse to shift at all, which is one of the main 2006 Dodge Ram 1500 transmission shifting problems. Sometimes switching out the solenoids can fix the problem for around $50 to $100 plus labor if you have it done by a shop.

When did my 1998 Dodge Ram 1500 shut off?

IT is happengin every week or two. 14 people found this helpful. I have a 1998 Dodge Ram 1500 with a 5.2 and I bought it after it had been sitting 8 years and it ran strong for a day or two then on my way home it stared losing power and cutting out and then died.

Is there no bus, no gauges possible solution?

I’d like to offer my solution to the frustrating “no bus and no gauges” problem that I see is pretty common. 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.

Why does my Dodge Ram 1500 not turn on?

After multiple attempts (5-10 min) it turns on.The dealer said they can’t find anything wrong and It could be the pcm (they need to check the truck when it’s dead). I’v looked into replacing the pcm, I’v been told it has to be flashed with the car & I’v been told by pcm rebuilders that if you give them the vin # they will send you a flashed unit.

How to fix no bus odometer on Dodge Ram?

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. This generally corrects the problem as long as you have verified continuity across all the buss lines.

When did my Dodge Ram 1500 shut off?

I bought this truck in November 2014 with 138000 miles on it. Drove fine up until march 30th or so is when it first shut off while driving. It didn’t happen again until June when it got really hot here in Texas. Sometimes it would turn right back on other times I’d have to wait upwards of 2 hours for it to turn over again!

What causes no bus on Dodge Ram 1500?

The problem returned. The “no bus” is a result of the loss of the VSS voltage from the computer. I ordered a computer that came programed, ready to go. I installed it and have had no other problems. While the ignition switch had overheated contacts, replacing it was not the cure.

What does it mean when your computer says no bus?

This is a very common problem with that generation of Ram. NO BUS means the dashboard has lost communication with the computer. Search on “no bus” here in the forums and you’ll get the info you need. thanks for getting back to me.

Why does my Ram truck won’t start?

You ruled out the starter sure but all of your symptoms point to a battery with a bad cell. Also disconnecting the battery for a while might give the electronics a chance to reset. Sandy Welch and indept like this.

Why does my Dodge truck have no gauges?

Fortunately when I finally broke down out of utter frustration and took it to the dealer to have it repaired the first time it didn’t cost me an arm. $108 later the service guy said it was a loose wire connection in the PDC.

Why is my Dodge Ram 1500 no start?

Please try again later. This 2004 4.7l Dodge Ram 1500 had an intermittant no crank/no start. Instrument cluster self test revealed no communication with the PCM. Wiggling the wires at the Integrated power module and PCM seemed to help but eventually it refused to crank at all. Problem was traced back to a worn through PCM B+ wire.

Why does my Dodge Ram truck not start?

Have P0685 and P0688. Both lead to ASD issue. Tested control circuit from relay to ecm and got .3 ohms. Relay powers up when key first turned on. Have 12 vdc at coils and injectors when jumping relay still won’t start. Have replaced both cam and crank sensors and no change. Fuel pressure good just installed new pump. Tested grounds at ecm.

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.

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.

Why does my Dodge Ram not have an odometer?

If all that checks out unplug the following sensors: Cranks sensor, Cam/SYNC sensor, TPS, MAP and Trans connector. 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.

Why is my no bus odometer not working?

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. This can be caused by any shorted module or broken bus wire. A few PCM sensors can cause this problem too.

What was the problem with my Dodge Ram 1500?

Had transmission rebuilt a week ago now died on me 3 days ago. Hasn’t died since but now throwing code for solenoid sensor in tranny. Was driving it yesterday when it started shifting all crazy and jerking. Replacing main computer AGAIN to fix dying problem but also going to have solenoid sensor checked as well.

How often does Dodge Durango have no bus?

Hi there, looking for some input to fix this issue, happened 5-6 times last winter, but it has started happening more frequently with the cold, about 5 times in the last two weeks.

What causes a 2004 Dodge Ram 1500 to stall?

Some 2004 Dodge Ram 1500s stall when braking and at idle, as well. The most common report is that on a cold start, the truck won’t move when put in gear. The transmission may also slip or refuse to shift at all, which is one of the main 2006 Dodge Ram 1500 transmission shifting problems.

Why is my Dodge Ram 1500 running hot?

Everyone has a theory, and most of them are correct in some situations. That’s whey we get so many questions! This one came in from the owner of a Dodge Ram 1500 in North Carolina and typifies the running hot or overheating problem and how hard to mail down it can be. Some things to consider below. A little background first: Automatic transmission.

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.

Are there any problems with the Dodge Ram 6.7 Cummins Engine?

Many also associate the Cummins name with some of the best light truck diesel engines ever. However, no engine is perfect and the 6.7 Cummins diesel is no exception. In this article, we discuss the most common problems on the Dodge Ram 6.7 Cummins engine as well as overall reliability.

What are the symptoms of a 6.7 Cummins Engine?

Symptoms that indicate the Dodge, Ram 6.7 diesel particulate filter is clogged include: One of the main symptoms you may notice is power loss on the 6.7 Cummins with a clogged DPF. If exhaust gases can’t escape efficiently you’ll have a build up in pressure.

Why is there no bus code on my Ram 3500?

2004 Ram 3500… 6.4 Cummins with some stuff. Those years are common to have failed ECM’s. Had a “no bus” on both my ’99 ram, and ’01 Durango. Both were bad ECM’s. That bolt just holds the plug into it’s socket. It doesn’t actually have anything to do with the connection. Pull the plug and clean it with electrical cleaner.

Why are the fuel gages on my Dodge truck not working?

Next I pulled up the 1/16 inch on the connector and while I didn’t loose all the gages this time the oil temp and fuel gages dropped to zero! I found that the PCM wire bundle is putting pressure on this connecton against a poorly designed draw down bolt that caused the contacts to become disconnected.

What does a problem with the ASD relay mean?

Another symptom of a possible problem with the (ASD) relay is an illuminated Check Engine Light. So, If the computer detects that a problem with the (ASD) relay or circuit has occurred; it will illuminate the Check Engine Light to alert the driver of a problem.

Why is my automatic shutdown relay making a clicking noise?

Automatic Shutdown (ASD) Relay Making A Clicking Noise (Common On Jeep) Most likely the clicking noise is because there wasn’t enough voltage going to the relays to engage them. As a result, The (ECU) was detecting a low battery condition even though it had a good battery.

Why does my Dodge Ram 1500 say no bus?