2005 Hyundai Santa Fe - Automotive Wiring and Electrical


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2005 Hyundai Santa Fe

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Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical

Msonyx
New User

Jul 18, 2014, 6:35 PM

Post #1 of 3 (1881 views)

2005 Hyundai Santa Fe	Sign In

Hello,

I have a 2005 Hyundai Santa Fe. It is a 2.7L V6 with 100k miles on it. Nothing really led up to the issue I am having it just started one day. What happens is, on occasion, when I turn my car off and attempt to lock it and arm the alarm it will not work. It thinks the keys are still in the ignition. I have to get in, and start my car, turn it off again and then it will let me lock it. I would say it happens maybe once every other week, but I don't want it to get worse. Also, the other day my tail lights stayed on when the headlights were actually turned off. The car was locked, and the lights were all in the off position. Any insight would be great. I already had the spark plugs and fuses replaced and this is still happening. The issue with the lights was a one time thing.

Thank you,

Onyx

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jul 19, 2014, 2:28 AM

Post #2 of 3 (1866 views)

Re: 2005 Hyundai Santa Fe	Sign In

When the problem is occurring is the chime going off with the key out of the ignition with the door open?

There is a controller called an EATCM (electronic alarm and timer control module) that controls the functions of the alarm system, lighting, and keyless entry. The module may need to be interfaced with a high end scan tool to see if there are any trouble codes stored and to look at data stream information such as inputs and outputs when the problem is occurring. Gathering that data would give direction in diagnosing the problem.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jul 19, 2014, 2:32 AM)

Msonyx
New User

Jul 19, 2014, 4:55 PM

Post #3 of 3 (1840 views)

Re: 2005 Hyundai Santa Fe	Sign In

Thank you for your response, and I am sorry I left that bit of information out. However, the alarm does not sound as if my keys are still in the ignition. I wish it did because it would save me a little bit of time and I would know that it wasn't going to lock. It just shuts off like normal, but won't lock or let the alarm set without me restarting the car and turning it off again.

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