CAR House

the shop that does my work says it's a control module and it's a $700.00 part and they also showed me a service bulletin on it..Should I just keep hitting the check button? And yes I replaced all of the bulbs with the correct ones and they all work..Any thoughts??

You might not be getting a good contact in the socket, might try to clean the contact on the bulb and socket and see if that helps.

do you have rear fogs installed? If yes, then it can be a loose connector (mine lights up every now and then for the left side rear fog) Check the connector, clean contacts, use dielectric grease (not too much) and plug everything back in.
If you don't have rear fogs installed, but have the euro fog light switch (with rear fog position) then that is what is causing this to light up.

Also, do you have a euro LKM installed?

Tell your "shop" that they are high in the night for telling you it is a $700 fix ( most likely trying to sell you a new LKM)- they know not what they speak..

Check your connectors, If you wish to troubleshoot with a working LKM - give me a call, I can lend you one. If it solves your problem, I can sell it to you, if it doesn't, just send it back.

P.S. Looks like you could use a MID Pixel repair - contact me offline for that - I might be able to help you out.

You might not be getting a good contact in the socket, might try to clean the contact on the bulb and socket and see if that helps.
I'll give that a try , but socket looks like new and the bulbs in the rear of the car were just replaced..But hey who knows?? I'll let u know how I make out.

do you have rear fogs installed? If yes, then it can be a loose connector (mine lights up every now and then for the left side rear fog) Check the connector, clean contacts, use dielectric grease (not too much) and plug everything back in.
If you don't have rear fogs installed, but have the euro fog light switch (with rear fog position) then that is what is causing this to light up.

Also, do you have a euro LKM installed?

Tell your "shop" that they are high in the night for telling you it is a $700 fix ( most likely trying to sell you a new LKM)- they know not what they speak..

Check your connectors, If you wish to troubleshoot with a working LKM - give me a call, I can lend you one. If it solves your problem, I can sell it to you, if it doesn't, just send it back.

P.S. Looks like you could use a MID Pixel repair - contact me offline for that - I might be able to help you out.Yes the pixels in that one spot are bad but all of the rest are fine..And thanks for the offer of letting me borrow the LKM,if I need it I'll let u know..I see you have a H2..My wife wants to get rid of her Escalade and wants one of them..How do you feel about the H2?? Repairs?? Problems.. My 2000 Escalade just turned 50k and hasn't given me one problem since new..Now that I just wrote that watch the motor blow up..:)

H2 is from July 2002, makes it 5 years. No problems, and I love it!! Alot more comfy than the Suburban/Tahoe/Escalade (I have the air-ride suspension option - worth every penny) It is great for longer trips, the wife likes watching movies as we motor along. I drive it mostly when I am pulling my 32' Boat to the various lakes here in Texas. Normally gets 16-18 mpg on the highway, not that bad (especially if you drive a V12 8 series!!)

what part Mark I may have it for a lot less then that

what part Mark I may have it for a lot less then that
I don't know off hand..But I do have it out in the car..Let me go and see if I can find it..Yes it's the LKM module.The service bulletin says the ones prior to week 27 of 1991 have a defect in the circuitry..It doesn't really bother me too much,all I have to do is push the check button after I turn the lights on at night.That's the only time the fault shows up on the OBC..

Mark- Can you point me to or have a copy of that svc bulletin?

Mark- Can you point me to or have a copy of that svc bulletin?

Group 63
Lights

Bulletin Number
63 01 92 (3502)

Woodcliff Lake, NJ
May 1992
Product Engineering

This service Information Bulletin supersedes the Service Information bulletin Number 63 01 92 (3502) dated April 1992.

Please remove and discard Information bulletin number 63 01 92 (3502) dated April 1992 from your S.I. binder.

SUBJECT:
LKM (Lighting Control Module) Internal Defect

MODELS:
E31

Situation:
An internal defect in the LKM control module can cause any of the following problems:

A fault is indicated on the MID,such as:

- Parking Lights Defective
- Rear Lights Defective
- Low Beams Defective

(However,all these systems operate normally)

Cause:
An internal defect in the LKM circuitry has been found in some control modules produced prior to week 27 of 1991.

Correction:
If a complaint is experienced with a vehicle,check the production date of the LKM control module using the BMW Service Tester or the MODIC.

The production date can also be found on the LKM control module housing.

If the control module was produced prior to week 27 of 1991,replace the LKM with the part number below.BMW NA has purged its stock of the older modules.

Note that the replacement module will have to be encoded.

Parts Information:
LKM Control Module without Coding 61 35 1 383 412

Warranty
Information:




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let me know if you want that LKM