Registered: Dec 2003
Location: NY
Posts: 279

I did a search but can't get a clear answer. I know that if the D4 light flashes it means there is a tranny problem. I don't exactly know if mine is "flashing". What it does sometimes, and I noticed this the other day for the first time in a while, is the D4 light gets dimmer and brighter as the tranny shifts. It seems to get brightest right before an upshift. It is hard to notice unless my lights are off and there is no sun shining on the dash. A cloudy day. So if any one here had the "flashing" D4 light that led to a failed tranny, were the flashes a dimming and brightening like mine or were they more steady? Did it flash in D4 while not driving or accelerating? Any help here would be nice. Thanks.

Last edited by Hey on 03-30-2004 at 04:05 PM

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Registered: Jul 2002
Location: Florida
Posts: 183

On my Acura a flashing D4 means a bad VSS. Not sure if OBDI and OBDII work the same way generating that error though.

Also could mean a bad tranny.

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Registered: Mar 2002
Location: Location, Location
Posts: 1510

quote:

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Originally posted by Hey
I did a search but can't get a clear answer. I know that if the D4 light flashes it means there is a tranny problem. I don't exactly know if mine is "flashing". What it does sometimes, and I noticed this the other day for the first time in a while, is the D4 light gets dimmer and brighter as the tranny shifts. It seems to get brightest right before an upshift. It is hard to notice unless my lights are off and there is no sun shining on the dash. A cloudy day. So if any one here had the "flashing" D4 light that led to a failed tranny, were the flashes a dimming and brightening like mine or were they more steady? Did it flash in D4 while not driving or accelerating? Any help here would be nice. Thanks.

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2002 EX - Transmission replaced at 84,000km (52,000 miles). Sold at 104,000km.

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Registered: Dec 2002
Location: Nu Joise'
Posts: 110

Hey,

Check out my answer:

Shift light intensity change

Hope this helps.

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Registered: Dec 2003
Location: NY
Posts: 279

quote:

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Originally posted by Grand Total
I think flashing in this context means on and off not dimming and brightening. You have a problem of some sort but I doubt it is a transmission problem.

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Registered: Jun 2002
Location: Nor Cal
Posts: 561

I had this problem with my 02 and it turned out to be the green alternator plug and the no starting was the ignition switch . This was several years ago and I'm sure the dealer's should know about this problem but if they don't ask them to contact their online advice line. Hope this helps.

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