Question about Cadillac Cars & Trucks

1 Answer

How do you reset ecu on 1994 Cadillac Deville

Resetting ECU on 1994 Cadillac Deville

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Cadillac Master
  • 5,450 Answers

The only reset I know of on OBD-1 systems (like yours) is to disconnect battery for a couple of minutes. Take off the negative cable for a few minutes.

Posted on Apr 29, 2017


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

How do I know if the ECM computer is bad on my 2007 Acura MDX?

Installing J&R ECU - YouTube

? 2:29
Mar 19, 2012 - Uploaded by Aaron Wise
Installing J&R ECU on 2007 Acura TL-S. ... 2013 Acura TL SH-AWD Review, Walkaround, Exhaust, Test Drive - Duration: 14:16. by Redline ...

Immobilizer bad? ECU bad? - AcuraZine Community
Jul 21, 2012 - It says to have the ecu reprogrammed and if that doesn't work then to .....Join Date: Oct 2007 .... If relay tests good move on, if not replace it. total cost under $20 .... Check Emissions CEL, hrothgar02, Second Generation RDX ... Scanner not detecting ECU
May 22, 2012
Dealership "Re-Programmed" 07 TL Type S computer??
Jun 22, 2011
Resetting ECU makes me happy :)
Oct 9, 2009
Resetting your ECU: After mods and Environment changes
Jan 9, 2008
More results from

Oct 29, 2015 | Cars & Trucks

1 Answer

My 1990 Cadillac Allante suddenly won't shift into 3rd.

maybe a diagnostic or limp mode, try resetting codes / ecu by disconnecting and reconnecting the battery. If that fails check for loose or disconnected electrical wires.

Jun 27, 2015 | 1990 Cadillac Deville

1 Answer

Cadillac ecu

    • 1 Turn the ignition switch to "Off."
    • 2 Pull down on the top of the fuse panel lid beneath the steering column. Remove the fuse panel lid.
    • 3 Grasp the fuse that is labeled "ECM" or "ECU." The inside of the fuse panel lid shows a chart indicating where each fuse is located.
    • 4 Pull the fuse straight out of the fuse panel to remove it.
    • 5 Turn the ignition switch to "ON" without starting the engine. Leave the Cadillac in this state for five minutes.
    • 6 Turn the ignition switch off.
    • 7 Replace the fuse into its slot in the fuse panel. Press in on the fuse until it is fully inserted. Replace the fuse box cover.

Jul 08, 2014 | 2002 Cadillac Deville

1 Answer

Should I reset my ecu when I change the o2 sensor for a 94 del sol d16z6?

I believe if you are just changing it may not need to reset the ecu. but if you have a code and it is a faulty 02 sensor then you need to change the sensor and erase the code by disconnecting the ground cable of the battery for some time (I have heard from 10 sec to 2 min).

Mar 24, 2014 | 1994 Honda Civic Del Sol

1 Answer

Wipers wont work

according what you say i don't know what's wrong with your car
i think you should make a diagnostic and if you need a ECU chip tuning tool you can click here: ECU chip tuning tool

Nov 08, 2012 | 1992 Cadillac DeVille

1 Answer


Try these links. - Similar

Feb 27, 2012 | Toyota Cars & Trucks

1 Answer

Service air bag light is on 2000 cadillac deville dhs. what are the possible reasons.

the airbag sensor might have failed or else there would be an error in your ecu. run the diagnostics and have it checked.

Sep 05, 2011 | 2000 Cadillac DeVille

1 Answer

Which is the main ecu on my 95 cadillac sedan deville

Hello: On the passenger side, Behind the glove box on top of the heater case is the Body control module, From underneath (passenger side) along side of the Programmer is the Engine control module. There is no one main ECU. This information applies to the sedan devilles with the 4.9 engine

Feb 21, 2011 | 1995 Cadillac DeVille

1 Answer

I have a 1991 cadillac deville. The batterey went bad so I replaced it. Now it cranks over perfectly, but it will not start. Everything in the ignition system is good and the fuel pump is fine. I heard...

To restart the ECU unplug the battery for 1/2hr and turn key on

But if your battery was bad The ECU should have lost power then..

What i do to be sure is unplug red and black from battery,, then tuch them together so you dont have to wait,"""NOT RECOMMENDED""" This is what i do..Works for me, some say this is not a good idea,,

Feb 22, 2010 | 1991 Cadillac DeVille

1 Answer

Charged battery out of car. reconnected battery, car starts but shows theft prob,oil light but just changed oil and filter,no fan,windows,etc working. gear display blinks all the time. is there a reset for...

There is a reset for the ECU but unfortunately it's not a DIY job. All dealers and most mechanics have the special equipment for an accurate reset.
HINT: Theres an inexpensive device on the market that you can plug into a cars cigarette lighter that will provide power to ECU if you need to remove the battery.

Dec 19, 2009 | 1997 Cadillac DeVille

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

22 people viewed this question

Ask a Question

Usually answered in minutes!

Top Cadillac Experts


Level 3 Expert

78010 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22306 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6927 Answers

Are you a Cadillac Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides