Question about 2001 BMW 325i

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Instrument cluster control unit

With everything I have researched I need to replace my instrument cluster control unit located in the passenger side of my dash. my speedometer doesn't function... but my cruise control does. Is there a good way to find a replacement unit shy of taking it out to find out the model number?

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  • BMW Master
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You need to perform a static discharge on the vehicle. Remove both cables from the battery and touch the two cable ends together(you may need a jumper wire) for a few minutes. Reconnect the cables to the battery and check it out.

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Can someone who has had the problem , provide the solution? I want to thank you in advance if you have the answer.
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3 Answers

My speedometer works but my digital odometer does not work on my 2003 old alero


This is one guy's advice: Replace the speedo head, that should take care of the problem."

This site is also interesting because the guy said
General Motors cars had instrument cluster problems from 2003 through 2006. When I researched instrument cluster problems on the Internet what I found raised concerns in me. Many of those vehicles had problems that began with the instrument cluster, but eventually led to the engine refusing to start.
(an electronic instrument cluster, digital instrument panel or digital dash for short, is a set of instrumentation, including the speedometer, that is displayed with a digital readout rather than with the traditional analog gauges. Many refer to it simply as a digital speedometer.)

http://www.instructables.com/id/Erratic-Instrument-Panel-on-GM-Cars/

Feb 12, 2017 | 2003 Oldsmobile Alero

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'95 Lincoln town car. Husband was driving uphill and the digital dash suddenly went dark. Radio is working and a/c is not. Exterior light still working and so are interior lights besides the dash


Could be a bad wire possibly chaffing or grounding out to to another wire or frame. Check your fuses. You may want to pull the dash out and check that wiring as well

Jul 07, 2015 | Lincoln Cars & Trucks

1 Answer

My speedo is not working on my ford transit minibus Can any one help pls


Well Cliff your really going to have to take this to a professional shop or Ford dealer ! You don't want to just replace parts on this , could get very expensive ! I don't know how familiar you are with newer vehicles , given the all the electronic modules on vehicles today. There is a serial data communication network called CAN .controller area network that the modules share info on. Your instrument cluster is a module of a kind too , has microprocessor it side ! You really need a dealership type scan tool to check this one out. You could possibly need a new instrument cluster or a PCM ! Then there would need to be programmed ! this is nothing for a do it yourselfer to do !
Speedometer
The instrument cluster receives the vehicle speed sensor (VSS) signal from the powertrain control module (PCM) over the high speed controller area network (HS-CAN). The instrument cluster monitors the VSS input from the PCM and commands the speedometer with a corresponding movement of the pointer.
  • The speedometer/odometer is inoperative
  • PCM
  • Instrument cluster
  • Go To Pinpoint Test E .
Pinpoint Test E: The Speedometer/Odometer Is Inoperative
Normal Operation The instrument cluster receives the vehicle speed sensor (VSS) signal from the powertrain control module (PCM) over the high speed controller area network (HS-CAN). The instrument cluster monitors the VSS input from the PCM and commands the speedometer with a corresponding movement of the pointer.
    Possible Causes
  • PCM
  • Instrument cluster
PINPOINT TEST E: THE SPEEDOMETER/ODOMETER IS INOPERATIVE Test Step Result / Action to Take E1 RETRIEVE THE RECORDED DTCs FROM BOTH THE CONTINUOUS AND ON-DEMAND PCM SELF-TESTS
  • Check for recorded PCM DTCs from the continuous and on-demand self-tests.
  • Are any PCM DTCs recorded?
Yes
REFER to the Powertrain Control/Emissions Diagnosis (PC/ED) manual.

No
GO to E2 . E2 CARRY OUT THE INSTRUMENT CLUSTER SPEEDOMETER OUTPUT STATE CONTROL USING THE SCAN TOOL
  • Key in ON position.
  • Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Output State Control.
  • Enter the instrument cluster output state control and select SPDOMETER. Command the speedometer on and off. Observe the speedometer.
  • Does the speedometer start at 0 and move to 193 km/h (120 mph) when commanded on, and return to 0 when commanded off?
Yes
GO to E3 .

No
GO to E4 . E3 MONITOR THE DISPLAY SEGMENT CONTROL DISPLAY
  • Observe the odometer in the message center (message center cluster) or integrated circuit (base cluster) display area.
  • Does the odometer display all dashes (-----)?
Yes
GO to E5 .

No
If the message center (message center cluster) or integrated circuit (base cluster) display is blank, GO to E4 . E4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
  • Disconnect the instrument cluster connector.
  • Check for:
    • corrosion
    • damaged pins
    • pushed-out pins
  • Connect the instrument cluster connector and make sure it seats correctly.
  • Operate the system and verify the concern is still present.
  • Is the concern still present?
Yes
INSTALL a new instrument cluster. REFER to Instrument Cluster in this section. TEST the system for normal operation.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. E5 CHECK FOR CORRECT PCM OPERATION
  • Disconnect all the PCM connectors.
  • Check for:
    • corrosion
    • damaged pins
    • pushed-out pins
  • Connect all the PCM connectors and make sure they seat correctly.
  • Operate the system and verify the concern is still present.
  • Is the concern still present?
Yes
INSTALL a new PCM. REFER to Section 303-14 . TEST the system for normal operation.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. Good luck !

Mar 20, 2015 | Ford Cars & Trucks

1 Answer

Heater selector and speedometer not working. Are they related? Fuse, bus box? Computer?


Two separate problems. If the speedo is inop,, check connections at the transmission and at the back of the instrument cluster. If they are fine, replace instrument cluster.
If the heater is not operating, check power and grounds, the in/output of the control switches. Generally the control unit in the dash is faulty.

Oct 28, 2013 | 1989 Nissan Maxima

1 Answer

Dash lights or navigation light do not come on when the key is on


first check that the dash light dimmer knob is not turned to very dim (far left). It is located in the dash instrument cluster slightly left of center between the tachometer and speedometer near the bottom edge.

If that seems okay, check out the No. 13 fuse in the passenger's side under dash fuse box.

If the fuse is okay, you may have problem with the driver's multiplex control unit. This unit controls lighting for multiple other lights and switch indicating lights.

Mar 10, 2011 | 2003 Honda Odyssey

1 Answer

All my gauges work except my speedometer. What is going on?


Check your speedometer cable at both ends and make sure it is on tight. If the speeometer cable is the original cable it might be time to replace it with a new one. The cable will wear out over time and cause your speedometer to stop working when you drive your car. A replacement cable will cost around $15. If your speedometer cable is good and in working order then you will have to have your instrument cluster repaired. Take a trip to your local junk yard and find your vehicle and then remove that instrument cluster and replace your broken unit. This is cheaper then having your original instrument cluster rebuilt at a shop. If your instrument cluster is digital, check the fuse box located underneath the drivers side steering wheel and locate the "instrument cluster" or "speedometer" fuse. Pull it out and replace it with the same number fuse. To remove your instrument cluster, remove the four phillips screws holding your plastic bezel that surrounds the cluster and then remove the four phillips screws that hold the instrument cluster in place. Now pull it away from the dash and disconnect the electrical plugs. This is very easy to do at home using a phillips screwdriver. If you have any more question, feel free to contact me.

michael34

Mar 09, 2011 | 1987 Nissan 200SX

2 Answers

My Instrument Cluster is not working or illuminating, Fuel, Speedometer and RPM gauges all not functioning


First thing to do is make sure your dimmer switch is turned all the way up to high. Next thing to do is check the instrument cluster fuse located underneath the drivers side steering wheel (bottom left side). Remove the fuse box cover lid and then flip the plastic fuse box cover over and you will find a small diagram showing where this fuse is located. Replace this fuse with a new one of the same number amp. Last thing to do is remove the cluster from your dash and check each light bulb and replace the bulb that is burned out. Sometimes when one bulb burns out, all of the lights won't work on the display. If that does not get it working again then you will need to remove the instrument cluster and just simply replace it for another used one found in your local junkyard. The instrument cluster is removed by prying off the plastic or simulated wood bezel that surrounds the drivers side dash and then removing four to six phillips screws with a phillips screwdriver. After you remove these screws, pull the cluster out and then disconnect the electrical plugs at the rear of your unit by pressing the clips together and then pulling away (at the same time)

Feb 04, 2011 | 2006 Ford Explorer

3 Answers

Speedometer not working chevy ss 2003


GM had gauge cluster problems from 2000-2005. Bad stepper motors. On those units you have to replace the cluster or rebuild it with new stepper motors.

Jan 25, 2011 | 2003 Chevrolet Silverado Ss

2 Answers

2001 dodge grand caravan sport no dash lights speedometer tach gas guage 4 ways


  1. do the park lamps work?
  2. dash lamp fuse burnt?
  3. is the instrument cluster analog or digital?
  4. digital clusters have been known to fail however the cluster lighting is controlled by a body computer.
  5. proper diagnosis with require a scan tool that will access the body module ( computer)

Jul 05, 2010 | 1994 Honda Accord

2 Answers

The oil pressure guage is stuck at 80


oil ressure sending unit needs to be replaced. Most are located near or at the oil filter mount location.

Sep 19, 2009 | 2003 Chevrolet Suburban 1500

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