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I've got an 05 plate hyundai coupe 2ltr se, can't disarm alarm/operate central locking with key fobs, new batteries in fobs, any idea's?

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Posted on Jan 02, 2017

ghost4548
  • 776 Answers

SOURCE: central locking wont stay open

Here's what I suspect is happening. The door locks will lock and unlock normally when the key is OUT of the ignition. If the key is IN the ignition, the doors cannot be locked (manually, key fob, or otherwise, if the system is operating as designed - prevents the doors being locked when the key is in the ignition). I've seen this problem before, but on a Santa Fe, not an Accent. The ground signal of the right hand front passenger door was lost, and the doors automatically locked. Perhaps something similar is happening in the circuit between the ETACS module and the right front passenger door lock/unlock actuator. Could be anywhere in the circuit.



d05b136.gif
ab4c712.gif These wiring diagrams may be helpful. The relays expecially may help solve this issue. As you can see, these relays are also controled by the ETACS module (Remote Keyless Entry).

67dc553.gif

Posted on Jun 20, 2009

ghost45
  • 1280 Answers

SOURCE: hi we have a hyundai coupe and the alarm keeps

Take/Tow your vehicle to an authorized Hyundai dealership and pay the diagnostic fee... they will tell you exactly what the problem is and the cost of parts/labor to fix it... at least this way you'll know what the problem is and what's required to fix it.

Posted on Oct 03, 2009

Lloyd Six
  • 560 Answers

SOURCE: i have a 05 plate coupe 2ltr se, can't turn immobiliser/alarm off with fobs, both fobs have new batteries and have ben sync'ed with car as per handbook, could it be a fault with body unit

This is a long shot but worth trying as it is free:

Disconnect both leads from the battery, contact the two removed leads together (this will diffuse the ECU memory and re-boot the system)
leave for a few minutes then reconnect.
(The above can lose a radio code if applicable)

This can reconfiger the systems and sort out a multitude of issues.

Hope it sorts it out for you.

Posted on Feb 16, 2012

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I have a 05 plate coupe 2ltr se, can't turn immobiliser/alarm off with fobs, both fobs have new batteries and have ben sync'ed with car as per handbook, could it be a fault with body unit


This is a long shot but worth trying as it is free:

Disconnect both leads from the battery, contact the two removed leads together (this will diffuse the ECU memory and re-boot the system)
leave for a few minutes then reconnect.
(The above can lose a radio code if applicable)

This can reconfiger the systems and sort out a multitude of issues.

Hope it sorts it out for you.

Feb 16, 2012 | Cars & Trucks

1 Answer

When i try to start me 2008 sonata the alarm goes off and the engine will not turn over. what can i do?


Your Sonata is equipped with a "Keyless Entry & Burglar Alarm" system. When the Burglar Alarm is activated, it KILLS the starting system through the used of a relay called the "Burglar Alarm Relay". This mode prevents engine starting with the key.
Solution #1
Disarm the system with the Keyless Remote (key fob) If you don't have this remote (or its battery is dead) replace the battery & try disarming again.
Solution #2
Enter the vehicle & insert the key in the ignition and turn the ignition switch to 'RUN'. Wait 3 to 5 minutes until the alarm stops. You should then be able to start the engine.

Have a qualified/certified Hyundai Service Technician properly diagnose this issue.

Sep 07, 2011 | Hyundai Motor 2004 Sonata

1 Answer

Remote control receiver unit were is it , and a pic of it to reset key fob on a hyundai coupe se 2000cc year 2002


This reset for key fob Hyundai coupe year 02 to 04
Turn ignition to position two
Press lock or unlock once
Ensure indicators flash once to confirm reset
This will enable fob providing you have no other faults
Good luck barry

May 12, 2010 | 2003 Hyundai Tiburon

1 Answer

Hi we have a hyundai coupe and the alarm keeps


Take/Tow your vehicle to an authorized Hyundai dealership and pay the diagnostic fee... they will tell you exactly what the problem is and the cost of parts/labor to fix it... at least this way you'll know what the problem is and what's required to fix it.

Oct 02, 2009 | 2000 Hyundai Accent

2 Answers

Key fob wont disable alarm on hyundai coupe


One day my Hyundai Coupe 2002 2.0 car alarm would not dis-arm. The remote was flashing but not turning the alarm off. I replaced the batteries and had the remote signal tested, but still the alarm would not dis-arm. There are no switches to flick off, no reset button and there was no way off cutting power to the alarm. The only solution was to take it to a Hyundai dealer ( with alarm siren sounding and lights flashing ) and have them disarm it. It took one guy almost 3 hours to disarm it, and cost me £150 ! I knew the guy at the garage, so that was with discount. The alarm is a joke and should not have been fitted in the first place by Hyundai!

Apr 03, 2009 | 2000 Hyundai Accent

1 Answer

Central locking wont stay open


Here's what I suspect is happening. The door locks will lock and unlock normally when the key is OUT of the ignition. If the key is IN the ignition, the doors cannot be locked (manually, key fob, or otherwise, if the system is operating as designed - prevents the doors being locked when the key is in the ignition). I've seen this problem before, but on a Santa Fe, not an Accent. The ground signal of the right hand front passenger door was lost, and the doors automatically locked. Perhaps something similar is happening in the circuit between the ETACS module and the right front passenger door lock/unlock actuator. Could be anywhere in the circuit.



d05b136.gif
ab4c712.gif These wiring diagrams may be helpful. The relays expecially may help solve this issue. As you can see, these relays are also controled by the ETACS module (Remote Keyless Entry).

67dc553.gif

Mar 31, 2009 | 2003 Hyundai Accent

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