2004 Terracan CRDi computer box

twack300 · 11-20-2012, 04:08 AM

Hi to all of you out there. Looking to purchase a new or secondhand computer box that working 100% for the fualt on my Terracan going into limp mode under load.Did everthing to it and points to computer box. I am situated in Cape Town Belville.
39101-4X740 Hyundai Nr

RBURGOSS · 11-20-2012, 08:46 AM

Are you completely sure the ECM (computer) is at fault?

Any time the 2.9 crdi Terracan goes into "limp mode", its because "something threatening to the engine" is happening. Some situations that commonly trigger limp mode are:

1) Low oil level or low oil pressure.
2) High coolant temp or low coolant level.
3) EGR valve malfunction.

I suggest plugging in an appropriate scanner and retrieve any error codes stored. Start from there checking all systems. Of course, check oil and coolant levels first.

Have in mind that sometimes the ECM is triggered to a fault condition or limp mode, not because something is bad (sensor, pump, etc), but because the connectors to such sensors are dirty, rusted, broken or such.

Let us know your findings.

twack300 · 11-21-2012, 02:08 AM

RBURGOSS,

I am sure my mechanic has done everthing he can, testing etc..
Will post if fualt is repaired by ECM

11-20-2012, 04:08 AM	#1 (permalink)
twack300 Junior Member Join Date: Oct 2012 Location: Cape Town 2004 Terracan 2.9 CRDi Posts: 5	2004 Terracan CRDi computer box Hi to all of you out there. Looking to purchase a new or secondhand computer box that working 100% for the fualt on my Terracan going into limp mode under load.Did everthing to it and points to computer box. I am situated in Cape Town Belville. 39101-4X740 Hyundai Nr

11-20-2012, 08:46 AM	#2 (permalink)
RBURGOSS MODERATOR Join Date: Aug 2009 Location: Costa Rica Drives Terracan CRDi (2004) and Getz 3dr 1.6 sport (2008) Posts: 1,462	Are you completely sure the ECM (computer) is at fault? Any time the 2.9 crdi Terracan goes into "limp mode", its because "something threatening to the engine" is happening. Some situations that commonly trigger limp mode are: 1) Low oil level or low oil pressure. 2) High coolant temp or low coolant level. 3) EGR valve malfunction. I suggest plugging in an appropriate scanner and retrieve any error codes stored. Start from there checking all systems. Of course, check oil and coolant levels first. Have in mind that sometimes the ECM is triggered to a fault condition or limp mode, not because something is bad (sensor, pump, etc), but because the connectors to such sensors are dirty, rusted, broken or such. Let us know your findings. __________________ Robert B. Don't forget to participate and vote in the February 2013 ROTM thread at http://www.hyundai-forums.com/249-ri...2013-rotm.html

11-21-2012, 02:08 AM	#3 (permalink)
twack300 Junior Member Join Date: Oct 2012 Location: Cape Town 2004 Terracan 2.9 CRDi Posts: 5	Ecm RBURGOSS, I am sure my mechanic has done everthing he can, testing etc.. Will post if fualt is repaired by ECM

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