Low Beam Flickers
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Joined: Sep 2013
Posts: 83
Likes: 3
From: Rochester NY
Since a possible bad connection in the fuse box would affect the low beams on both sides of the car, I'd look elsewhere first. Try looking at the lamp, ballast and connections on the passenger side of the car.
Mack
Mack
Instructor
Joined: Apr 2009
Posts: 173
Likes: 1
Sorry that's incorrect the recall says it can be just one light with issues.
Advanced
Joined: Sep 2013
Posts: 83
Likes: 3
From: Rochester NY
Advanced
Joined: Sep 2013
Posts: 83
Likes: 3
From: Rochester NY
Mack
Thread Starter
Racer
Joined: Apr 2003
Posts: 389
Likes: 128
From: Santa Maria CA
Thanks for the info. I've been sitting on the TSB (my local dealer is a PIA). I had no idea that this might be the problem. Time top suck it up and go visit the local dealer.
Edit: I found the TSB on line and it sounds like this is the exact problem. You can find the recall verbiage here:
https://www.automd.com/recall/campaign_c102754/
Edit: I found the TSB on line and it sounds like this is the exact problem. You can find the recall verbiage here:
https://www.automd.com/recall/campaign_c102754/
Last edited by RaceMic; Apr 9, 2015 at 06:54 PM.
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Melting Slicks
Joined: Nov 2009
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Likes: 1,149
From: Klein TX
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Head light recall web page:
http://www-odi.nhtsa.dot.gov/acms/cs...4V251-2256.pdf
This is the TSB with pictures and instructions for the dealer techs on how to do the repair.
http://www-odi.nhtsa.dot.gov/acms/cs...4V251-2256.pdf
This is the TSB with pictures and instructions for the dealer techs on how to do the repair.
Last edited by wjnjr; Apr 9, 2015 at 07:21 PM.
Race Director
Joined: Aug 2005
Posts: 13,592
Likes: 187
From: Hudson WI
NCM Sinkhole Donor
Head light recall web page:
http://www-odi.nhtsa.dot.gov/acms/cs...4V251-2256.pdf
This is the TSB with pictures and instructions for the dealer techs on how to do the repair.
http://www-odi.nhtsa.dot.gov/acms/cs...4V251-2256.pdf
This is the TSB with pictures and instructions for the dealer techs on how to do the repair.
Le Mans Master
Joined: Dec 2004
Posts: 5,491
Likes: 806
From: West coast CA
The recall is to work around a fracture-prone wire inside the UBEC (the fuse box). This wire is part of circuit no. 1970, which goes from the BCM to the coil side of the low-beam relay.
This single wire is the control signal for both headlamps.
I suppose it is conceivable that in the earliest stages of failure a very brief deactivation of both ballasts could be more noticeable on one side than the other. But in my experience, if the UBEC wire is fractured, the relay switches off when the wire expands from engine heat, and doesn't come on again until the engine cools down.
I doubt this is the cause of the OP's problem.
Team Owner
Joined: Mar 2008
Posts: 21,502
Likes: 461
From: Southern Utah
Where does it say that?
The recall is to work around a fracture-prone wire inside the UBEC (the fuse box). This wire is part of circuit no. 1970, which goes from the BCM to the coil side of the low-beam relay.
This single wire is the control signal for both headlamps.
I suppose it is conceivable that in the earliest stages of failure a very brief deactivation of both ballasts could be more noticeable on one side than the other. But in my experience, if the UBEC wire is fractured, the relay switches off when the wire expands from engine heat, and doesn't come on again until the engine cools down.
I doubt this is the cause of the OP's problem.
The recall is to work around a fracture-prone wire inside the UBEC (the fuse box). This wire is part of circuit no. 1970, which goes from the BCM to the coil side of the low-beam relay.
This single wire is the control signal for both headlamps.
I suppose it is conceivable that in the earliest stages of failure a very brief deactivation of both ballasts could be more noticeable on one side than the other. But in my experience, if the UBEC wire is fractured, the relay switches off when the wire expands from engine heat, and doesn't come on again until the engine cools down.
I doubt this is the cause of the OP's problem.
I can't see how the broken wire in the fuse box could affect only one light and not the other. I also doubt that this is the cause of the problem.
Last edited by cclive; Apr 11, 2015 at 11:52 AM.
Instructor
Joined: Apr 2009
Posts: 173
Likes: 1
With intermittent voltage drops on a wire you cannot predict how the HID ballast will react as they have capacitors inside. First check this known issue then move on to other problem areas. The oem ballasts and lights are extremely reliable.