was from the response by GM to NHTSA under the safety investigation that ultimately led to the recall (it was in the public domain). If they cured that problem well enough for something else to be the most common source of the failure, the good for them.
There were many revisions along the way, some of which actually made the problem worse. MY 2001 was the single worst year, according to the GM letter. MY 2003 supposedly featured the "be all and end all" combination of the most improved (TK 3.7) hardware and a software revision that provides advance warning for most failures and drives the ignition more gently. Except the 2003 V-6, which had the new software but still had the Rev 3.6 hardware. Again citing the GM letter, the software change alone halved the "10 year expected failure rate". The recall V-6 cassettes were 3.75 as well as the ones for the I4. Again citing the GM letter, the ".75" differed from the ".7" only in that there was a change to the part number. I have no way of knowing if any of this is true, of course. Would GM lie to the Government?
Not my experience, though. I bought a NIB (TK 3.7) cassette shortly after buying my MY 2002, and sweet talked the dealership into updating the software for me relatively early. The original DIC was running fine when the recall happened, and I was "encouraged" to take the new part at about 45,000 miles. Naturally I put the newest one into the basement and used the circa 2003 DIC in the car. It started throwing codes at 95,000 miles and I swapped it out. I intend to buy a new one at 135,000 if I still have the car.
posted by 24.165.160...
Posts in this Thread:
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- DIC inside view., dmz789qqq, Tue, 26 Jun 2012 11:14:59
- Re: DIC inside view., SWEDECAR , Wed, 27 Jun 2012 08:13:29
- Re: DIC inside view., Snowmobile , Wed, 27 Jun 2012 06:36:24
- Re: DIC inside view., JerryC, Wed, 27 Jun 2012 05:47:28
- The part that usually fails..., Stephen Goldberger, Wed, 27 Jun 2012 05:03:37
- Re: DIC inside view., C H Tay, Tue, 26 Jun 2012 18:20:02
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