Question about 1990 Lincoln Continental

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1994 Lincoln Contiental DCL warning light keeps coming on.

The DCL warning system keeps coming on intermittantly, and then resets itself. The oil pressure warning system also keeps going into a low oil pressure message, and then resets itself. Are the two related? Is the DCL system causing the low oil pressure system to go into failure?

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Uve entered the computer universe-my condolences--today everyting is connected in almost an imposible logic-u have an OBD 1 system-before 96-go hav car scanned to obtain a data stream to translate the codes that may appear-repair manuals explain these

Posted on Sep 08, 2009

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1 Answer

1994 Lincoln Continental check DCL error comes and goes, where are the connections that cause this problem?


dcl stands for data communications link. a communications path between various in-vehicle electronic modules

Aug 15, 2013 | 1988 Lincoln Continental

1 Answer

What does check dcl mean


DCL is Data Communincations Link... the communication connection between the computers in the instrument cluster and the rest of the car. its usually caused (99% of the time) by a bad connection.

The Data Communications Link (DCL) is a wiring system that allows the sharing of information between the Electronic Engine Control System (EEC-IV) , the Electronic Instrument Cluster (EIC) and external equipment.

The EEC-IV system transmits the following information through the DCL to the EIC:
Engine RPM.
Engine coolant temperature.
EEC-IV malfunction indication.
Fuel used.

The DCL system transmits Malfunction Indicator Lamp (MIL) information to the EIC. The EIC uses MIL information to generate a CHECK ENGINE warning in the event of an engine sensor failure.

The EIC will display the message "CHECK DCL" on its Message Center Display if it is not receiving data from the EEC-IV. This warning is turned off whenever data communication is restored.

The EEC-IV monitors the Data Communication Link for faults. If a fault occurs in data communication a continuous Memory Code is set in the EEC-IV. The DCL Codes (529 for EEC-IV and 533 for EIC) can occur separately or together. These codes are not immediately cleared when data communication is restored.

The existance of a DCL code does NOT mean that a module has failed. also I would check for an oil leak or coolant leak that would be the cause of the smoking under the car.

Check this link for some help on fixing it: http://www.lincolnsonline.com/tech/00086.html

Hope helps.

Sep 11, 2011 | 1993 Lincoln Continental

2 Answers

94 Lincoln continental low oil pressure level all the time but manual guage says propper pressure and code 533 comes up with the dcl light. How do I fix problem?


normally you would check the oil pressure sensor which is located under the power steering pump and above the oil filter . how ever 94 lincolns have digital cluster issues. code 533 will trip on because of the oil gauge on the digital cluster or water temp. or low voltage etc. .

Oct 25, 2010 | 1994 Lincoln Continental

3 Answers

My 1994 Lincoln Continental dcl light keeps coming on and then afterwards the the oil pressure light comes on. What is the problem?


it is a very common electrical problem with digital displays on lincolns, and unless you have extensive wiring experience, I'm afraid that your only option is to replace the display itself, I had to do it on my own 1990 continental twice before the problem went away, my brother's 94 continental still has that issue...luckily most auto salvage yards have these parts available, some even let you pull them out yourself, which makes things even cheaper, I hope this helps.
P.S. if you need instructions on how to take out the display let me know (or go and buy Chiltons)

Oct 30, 2009 | 1991 Lincoln Continental

2 Answers

How to reset the change oil light for lincoln town car 2007


Press setup on message center,
press select for system check,
At oil life, press reset

Aug 14, 2009 | 2007 Lincoln Town Car Signature Limited...

1 Answer

1994 lincoln continental dcl warning light keeps on coming on


the vehicle module sees a problem and without a scanner to retrieve the proper codes, it will be hard to correctly diag your problem....best to have a dealer/shop check that first.... GL

Jul 07, 2009 | 1990 Lincoln Continental

1 Answer

Check Data Communication Link (DCL)


Look for a missing ground in the circuit. Almost sounds like your missing ground is being sought through other accessories. You will need a ground/power test light - This type lights Green for ground/and Red for power to find the problem.

Start with a schematic

May 30, 2009 | 1990 Lincoln Continental

1 Answer

Check Data Communication Link (DCL)


I have this same problem, I had it before, but I can't remember what I did to make it go away. I think it was triggered right after I replaced the air-suspension, with a tranditional one, but I can remrember. I am getting this same problem again, my car has 207K+ miles on it.. --Alfredo

Aug 02, 2008 | 1990 Lincoln Continental

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