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2007 Elantra Speedometer / Odometer

156 messages,  Last post on May 25, 2008 at 1:54 AM

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What is this discussion about? Hyundai Elantra


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#97 of 156
This is eye-opening...thanks all by irismg
Aug 19, 2007 (9:20 am)
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I just wanted to pop in and thank everyone who has brought this issue up. I'm shopping, and this definitely helps me with the buying decision.
 
I don't care if you can find a fully loaded '07 Elantra for $15,000 as some claim, to me, this doesn't sound like it's worth the hassle. I don't want to buy a car just to keep taking it back. It's enough to cross this car off the list until they get things under wraps, or wait and buy it second-hand after someone else has taken care of all the TSBs. Sometimes $15K isn't worth it.
 
Maybe by the time the '08s come out, they'll have fixed the problem, and maybe even have replaced the timing belt with a chain.
 
This is why I like to lurk the forums here. So much information! Thanks again!
#98 of 156
Re: This is eye-opening...thanks all [irismg] by backy
Aug 19, 2007 (9:27 am)
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Replying to: irismg (Aug 19, 2007 9:20 am)

FWIW the '08 Elantra info has already been published, and the car has the same engine as the '07 Elantra--meaning it has a timing belt. If you're looking for a car with a timing chain, the Elantra isn't it.
#99 of 156
Re: 2007 Elantra speedometer / Odometer [dannysack] by slf75
Aug 31, 2007 (2:05 pm)
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Replying to: dannysack (Mar 15, 2007 2:41 pm)

I purchased a 2007 Elantra GLS with preferred package on 6/2/07. My speedometer is also off by 4-7 miles or so, depending on speed. I called the dealer earlier this week and they told me that state law (Oregon) allows for a 3-4% variance, but to bring it in anyway. So it's there today and I just got a call that they tested it against GPS and it showed a 4 mph variance at 60 mph, which is within the manufacturer's specs (4.9 mph variance, apparently). I'm curious how the manufacturer could have an acceptable variance that doesn't match up with this alleged state law. I haven't researched the law yet, but I will do that this weekend before I figure out how to proceed.
 
The dealer did, however, replace some rubber part in my glove box that Hyundai had recalled. Gee, thanks.
#100 of 156
Re: 2007 Elantra speedometer / Odometer [slf75] by tritch
Sep 07, 2007 (3:56 pm)
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Replying to: slf75 (Aug 31, 2007 2:05 pm)

To everyone,
 
Hyundai has just released a new TSB that fixes the 2007 Elantra speedometer issue. The procedure re-programs the ECU to fix the error. It addresses only those vehicles with production dates between August 1, 2006 to May 28, 2007. The TSB can be found on www.hmaservice.com for those who have signed up for access. It's a 17 page pdf file which contains the step by step procedure for reprogramming the ECU.
 
TSB # 07-90-010 dated 9/6/07
 
Finally a fix!!
#101 of 156
Re: 2007 Elantra speedometer / Odometer [tritch] by tritch
Sep 08, 2007 (9:13 am)
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Replying to: tritch (Sep 07, 2007 3:56 pm)

Some additional good news,
 
The last page of the TSB states:
 
NOTE: All Hyundai warranties of vehicles affected by this TSB will be automatically extended by 3% as shown below:
 
1. Basic: 5 years / 61,800 miles
2. Powertrain: 10 years / 103,000 miles
3. Towing: 5 years / 61,800 miles
4. Paint: Depending upon the defect code, up to 3 years / 37,080 miles at maximum.
5. Service Parts: 1 year / 12,360 miles (Applicable only to the service parts installed on
the affected vehicle prior to launching the CSA).
6. Accessory: 1 year / 12,360 miles (Applicable only to the accessory parts installed on
the affected vehicle prior to launching the CSA).
#102 of 156
2007 Elantra speedometer/odometer by ebbuts
Sep 10, 2007 (12:09 pm)
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I am assuming all you people out there know when you talk by phone to a customer assistance manager after emailing or whatever that these people in Salt Lake are nothing more than phone answering people. They DO NOT work for the Hyundai Corporation. I found this out the first time I wrote my complaint about the speedometer. And just a couple weeks ago I wrote another email telling about what people on this site are doing to fix their problem by even buying new tires etc.... I got an answer to my email telling me that so many things affect the speedometer from wear like tires and just went on and on. I called her up and asked her if she knows anything about cars to which the answer was no. I also said, Do you understand we are talking about new cars that don't yet have all the problems you listed on the email and again the answer no. She had absolutely no knowledge of what has been done so far including the reprograming as my car had in about July/Aug timeframe. Just took another short trip and still clocks out at about 1 mph off and just a slight difference in the odometer. Maybe the new TSB will bring it closer yet. If not, they won't touch my car.
#103 of 156
Re: 2007 Elantra speedometer/odometer [ebbuts] by tritch
Sep 10, 2007 (1:41 pm)
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Replying to: ebbuts (Sep 10, 2007 12:09 pm)

I plan to take my car in for the update soon. I've had this problem for 6 months now waiting for a good fix. It sure took them long enough!
 
For those who have already had the unofficial reprogramming done (like ebbuts), I would recommend to have the update done again with the new TSB. It's possible the latest patch is a better calibration and to make sure your car's warranty is officially extended by 3%. I'm also going to make sure that I retain a copy of the TSB and all service documents for warranty purposes...
#104 of 156
Re: 2007 Elantra speedometer / Odometer [tritch] by doohickie
Sep 12, 2007 (8:23 am)
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Replying to: tritch (Sep 07, 2007 3:56 pm)

The TSB:
 
Technical Service Bulletin
Subject: ECU REPROGRAMMING FOR SPEEDOMETER DISPLAY CUSTOMER SATISFACTION ACTION (CSA)
Group: ELECTRICAL
Number: 07-90-010
Date: SEPTEMBER, 2007
Model: 2007 ELANTRA
CIRCULATE TO: [ ] GENERAL MANAGER [X] SERVICE ADVISOR
[X] SERVICE MANAGER [X] WARRANTY MGR [ ] SALES MANAGER
[X] PARTS MANAGER [X] TECHNICIAN
 
DESCRIPTION:
Some 2007 Elantra vehicles equipped with automatic transaxles may display inaccurate speedometer readings. This bulletin provides the procedure to reprogram the Electronic Control Unit (ECU) to resolve this condition.
 
IMPORTANT NOTES:
This TSB provides reprogramming instructions for GDS only. You may have to perform an initial internet update of GDS to receive the necessary data items #90 and #91. If a vehicle has not been driven for several days, first start and run the engine for several minutes to ensure it has a reasonably charged battery before conducting the reprogramming. A low vehicle battery charge can prevent reprogramming.
 
VEHICLES AFFECTED:
Model: 2007 Elantra vehicles with automatic transaxles. Applicable vehicle production date range: From August 1, 2006 through May 28, 2007.
 
(The rest is the detailed procedure which only makes sense to a technician I suppose.)
#105 of 156
OK, What Gives? by mike91326
Sep 12, 2007 (12:02 pm)
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I called my dealer to set up a time to bring in my Elantra for the TSB and they told me that they would only flash the ECU if the speedometer was more than 5 MPH over the actual speed. If it's within 5 MPH then it's in spec.
#106 of 156
Re: OK, What Gives? [mike91326] by ebbuts
Sep 12, 2007 (2:10 pm)
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Replying to: mike91326 (Sep 12, 2007 12:02 pm)

As someone said in one of the last replies, I definitely will check with my dealer to make sure my car's re-programming is at least the same as the one specified. My car was built 12-18-2006 so it would be what they call the #91 setup. If my dealer told me that if my car was 5 mph or less in error and that it was within spec., I would tell him I am going directly to Hyundai again because there is nothing in the TSB that says that. The way I read it all cars are to be re-programmed. Why else would Hyundai come out with the TSB. To be selective? I hope not.

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