Question about 2001 Dodge Ram 1500 Truck 2WD

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2001 ram 15oo, speed,tach,oil press,batt,fuel gauges all stopped working at once. message on odometer says--no buS . no noticeable difference in engine performance.

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I am having the some problem with my 2001 dodge ram 1500 all of my gauges stop working after the engine light came on now on myodometer says no bus, Can you help me with it

Posted on Jul 19, 2009

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Fuse blown check your fuse box.

Posted on Jul 17, 2009

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Doesnanyone have a diagram showing where the wires on a speedometer connect to? I need to see if i pulled it on accident. And fuel gauge. Im learning so pictures are easier. Thx 2001 chevy tahoe


The speedometer gauge is controlled by information sent over the class 2 data bus from the PCM/ECM - engine computer . There is a VSS - vehicle speed sensor mounted on the transmission , this VSS is a input to the engine computer .
Speedometer
The IPC displays the vehicle speed based on the vehicle speed signal from the PCM. The IPC- instrument panel cluster receives the vehicle speed signal via a discreet wire. The IPC uses the vehicle speed signal circuit (4000 pulses/mile) from the PCM in order to calculate the vehicle speed. The speedometer defaults to 0 km/h (0 mph) if a malfunction in the vehicle speed signal circuit (4000 pulses/mile) exists.
Is the whole instrument cluster dead ?
Fuel Gauge
The IPC displays the fuel level as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the fuel level percent. The fuel gauge defaults to empty if:
• The PCM detects a malfunction in the fuel level sensor circuit.
• The IPC detects a loss of class 2 communications with the PCM.
When the fuel level is less than a pre-determined value, the low fuel indicator illuminates.
Reviewing the fuel system description will further explain how the system functions. Refer to:
• Fuel System Description in Engine Controls - 4.3 L
• Fuel System Description in Engine Controls - 4.8 L, 5.3 L and 6.0 L
• Fuel System Description in Engine Controls - 6.6 L
• Fuel System Description in Engine Controls - 8.1 L
Hourmeter
The IPC can display the accumulated engine run time hours using the VF display when the cluster is in the LOCK or ACC position. The IPC stores the accumulated engine run time hours in a non-volatile format. The accumulated hours will not change if the battery was disconnected or removed. When the ignition is OFF and the trip reset switch is pushed in and held for more than 4 seconds, the IPC will display the accumulated hours for 30 seconds. The hourmeter will reset to 0.0 when 10,000 hours are accumulated.
Odometer
The IPC contains a season odometer and a trip odometer. Momentarily press the trip/reset switch on the IPC in order to toggle between the season odometer and the trip odometer. Press the trip/reset switch for greater than 2 seconds, while the trip odometer is displayed, in order to reset the trip odometer. The IPC displays the vehicle mileage and trip mileage as determined by the IPC. The IPC calculates the mileage based on the vehicle speed signal circuit from the PCM. The odometer will display 'error' if an internal IPC memory failure is detected. The odometer can be configured to display either miles or kilometers.
PRNDL Display
The IPC displays the selected gear position as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the gear position. The PRNDL display blanks if:
• The PCM detects a malfunction in the transmission range switch circuit.
• The IPC receives a class 2 message indicating the park position and the column park switch indicates a position other than park (open input).
• The IPC detects a loss of class 2 communications with the PCM.
GM had problems with stepper motors that control the needle position .
Your best bet buy a used instrument cluster from the auto slavage yard .

Apr 30, 2017 | Cars & Trucks

1 Answer

My instrument panel lights up but nothing on it works. Speedometer, tach, gas gauge, nothing. All the message lights are on. In the odometer/tripmeter window in says: no bus. Truck runs just fine.


There may be a problem with the connection or the wiring harness between the instrument cluster and the body computer.
No Bus means no signal or power on the line between the two computers.

Jan 03, 2016 | 2011 Dodge Ram Pickup 1500

1 Answer

My 03 dodge 3500 5.9. is showing a no bus error code on odometer the truck starts fine but gauges aernt working


The BUS is not part of the PCM/ECM it is on the body control module (BCM). It effects radio and dash most noticeably. Has no effect on powertrain.

Jan 16, 2014 | 2001 Dodge Ram 3500 Truck

1 Answer

All gauges stop working


CHECK GAUGE FUSE . CLUSTER ASSEMBLE FAILED

Feb 21, 2013 | 2003 Chevrolet Tahoe

1 Answer

Odometer reads no bus


check bulkhead connecter for corrosion, cluster is your body controll module, losing signal to fuel pump module , and pcm, thios is a communication issue, volt meter wil help, back probe diagnostic connecter, pin 7, white wire, to see if signal is there, GOOD LUCK RDJRP

Jul 16, 2009 | 1999 Dodge Ram

1 Answer

Fuel pump stops running


HI. this could be a ecm issue. i would take this vehicle in for a look at the fuel pump wires and to check out the ecm as well. these are unusual issues that you are experiencing.

Possible electrical short.

May 22, 2009 | 2004 Dodge Ram 1500

1 Answer

All dash panel instruments fail


Speed control sensor,located on the rear axle.If it goes out,it takes instrument panel with it.

Jan 03, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

92 Jeep Cherokee Laredo odometer broke


I have the same problem on my 1992 cherokee...it's the vehicle speed sensor...it's located at the transmission/transfer case.....

Oct 30, 2008 | 1992 Jeep Cherokee Sport

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