Question about 2004 Infiniti QX56

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Have been told I need a body control module truck qx56 2004 infiniti wont start and headlight went out

My truck wont start have be told that I need a body control module

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After jump starting my intrepid, the car went wonky. The headlights flashe on and off, the driver window went up and down, and the doors locked themselves.

Under low voltage conditions the body electronic control module along with the power control module (PCM) the main computers in the car can get crazy, There are actual procedures to maintain power to the vehicle when changing a battery.

What you need to attempt to do is to reset these modules. The simplest way is to remove a battery cable for at least one hour to allow the modules to drain down any stored energy in their circuits. . Disconnect your battery positive cable and let it set for at least an hour. Then reconnect the cable and turn the key on (do not start the vehicle) and let the computer relearn the settings. Give it at least 20 seconds then start your car. This has worked for me in the past

With out depressing the gas pedal start the engine. Allow the car to idle for several minutes before attempting to drive. During this reset many times the idle air gets reset and the engine forgets where the idle set point is. If this happens it can take up to eight miles of driving for it to reestablish the idle set point.

What we are hoping is the body control module has also reset. If so everything should be back to normal. If not only the dealer would have the specific computer interface to reset.


Feb 28, 2016 | 1997 Dodge Intrepid

1 Answer

Is the headlight control module part of the body control module, or is it a separate part?

You have upscale - luxury ?
It's separate from BCM .
Headlamp Control Module (Luxury)
Lower center of the IP, to the right of the right side steering column support bracket

Dec 30, 2015 | 2000 GMC Yukon Denali

1 Answer

Where is the body control module located?

Need to know make ,model an year vehicle to help as not all car makes put it in the same spot .

Sep 23, 2015 | Cars & Trucks

1 Answer

Is there a fuel kill switch on a 2002 Volvo s40?

did the airbag deploy? If it did then it is a serious repair. The engine wont start until the airbag is replaced. If there was no airbag deployment then the headlights being shorted or the other lights on the front being shorted are causing problems with the body control module. The body control module talks to the other computer and that is why it wont start.

Feb 05, 2015 | 2002 Volvo S40

1 Answer

Quest head lights won't turn off

The body computer controls the headlight relays based on input from the switches. There is a relay for high beam and one for low beam in a power distribution module in the engine compartment.
I don't know if the relays are available without buying the entire module. One of them could be stuck on.
You may need a shop manual to get the wiring diagrams and procedures to test the circuits.
In the mean time you should be able to pull the 50amp fuse for the headlights.

Jan 24, 2013 | 2004 Nissan Quest

1 Answer

Security light flashing, car won't start for infiniti

Whenever this warning light or any other stays on in the dash it is indicating that the systems control module (or the system sensor in the case of lights like low oil pressure, door open indicators etc.) has detected a fault, it then disables the system (this applies to ABS,TCS, TCM, SRS and BCM faults and others) as long as the light is on. You must now have the dealer hook up a special electronic diagnostic tool and "scan" the system for the fault code that is stored for the problem(s)

Legend of Abbreviations. ABS Antilock brake system.TCS Traction control system, TCM Transmission control module, SRS Supplemental restraint system, BCM Body control module

Oct 18, 2012 | Infiniti M35 Cars & Trucks

1 Answer

1999 infiniti QX4 hazard lights, flash went the weather gets damp and there is noise close to the car...the doors keep locking during this time

This needs to go the dealer to have the Body Control module (BCM) scanned for function problems, all these systems are computer controlled.

Feb 11, 2012 | 1999 Infiniti.5 QX4

1 Answer

1998 dodge caravan my headligths wont turn off .the ligths still on even turning the headligts switch off.and the only way to turned off went i take the relay my interior lights wont turn on.if...

Hi, try disconnecting the connector from the headlight switch. If this doesn't turn the lights off, the problem is the body control module. If disconnecting the headlight switch DOES turn the lights orff, replace the headlight switch. You can probably get a used body control module from a salvage yard. They may also have the headlight switch, but you can get those at your local parts chain. To access the switch, pull the bezel straight out as shown below. The BCM is behind the fuse panel as shown below. Please let me know if you have any questions, anmd thanks for using FixYa.




Mar 07, 2011 | 2001 Dodge Stratus

2 Answers

Dashboard gages, radio, headlights

BCM needs replaced the cost is around 160.00

Jun 09, 2008 | 2001 Pontiac Aztek

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