97 chrysler sebring convert acting crazy

wolfsmane

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#1
97 chry sebring convertible 100k miles v6 a/t wifes car and story.

started a couple months ago with the maps lights on rear view mirror staying on for over 10 mins after door was closed.

then then the led displays like odometer would go out - intermittenly. then gause like the tachometer would quit working - intermittenly.

then she would crank car, and it would die. then second crank and all is fine. finally, a/c was working good until yesterday, when it all of a sudden
died. fan worked but no cold air - no compressor kicking in.
also, battery light came on yesterday, mechanic said battery checked bad, and replaced it.

took it to firestone garage( i know the workers). they said they had 4 other sebrings in the last 1.5 months with the exact same problems, and couldn't find the problem. they checked it out. said it had several tsb's for this problem. like wiring harness' coming disconnected, harness' rubbing and shorting against metal, etc.
they checked for each tsb and found nothing.

i don't have the meter to check for codes myself.

i'm taking it to the dealer tomorrow. but i don't like or trust the dealer -bad business tactics. but i have no other choice. no other reputable garage thats qualified for this kind of problem, and no other dealer to take it to. small town - yah !

i'm hoping someone here has seen this problem with these sebrings and can offer some clues as to what it might be, so i can go to this garage with a little knowledge.


btw - when bringing the car home from firestone - everything worked fine for a few minutes, then gauges went out as well as a/c.

help !

thanks
 

jjm

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#2
There is an electrical TSB (18-07-97) relating to wiring getting frayed around the EATX bracket screw as showing in the illustration below:

<img src="http://mysite.verizon.net/rayston/EATX.gif">

Chrysler calls for replacing the screw with part number 060352225 and solder and shrink the damaged wires.

If you need more info, you want to consider an <a href="http://www.myaffiliateprogram.com/u/alldata/t.asp?id=1035" target="_blank">AllDataDIY</a> sub.

By the way, what's the production date of your vehicle, because very few 1997 models were affected by this.

The above is a likely source, a known problem, but it could be bad connections and grounds just about anywhere. Any aftermarket devices installed, like an alarm, stereo, navigation system?

Joe

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wolfsmane

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#3
thanks for the reply joe.

there absolutely no aftermarket devices installed. car is full oem.

at this time i don't have access to the car for the production date, sorry.
 

wolfsmane

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#4
just an update - i took the car to the local dealer. these are the problems they found: rear view mirror is bad(lights),
PCM is bad, temp sensor bad, and circuit board for gauges is shorted.

price to fix all this is - $1500.00 :eek:

PCM = $550 for a remanufactured one
gauge pod = $350
sensor = $65

now, the question i have for you: PCM - is this something i can change out myself, or does chrysler have to "program" it?

do i trust Advanced Auto Parts store with their PCM @ $221 ?


where is the PCM located in this vehicle?

also, i was considering getting the gauge pod from the local parts yard-- would that be a bad idea?


thanks for the advice
 

wolfsmane

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#5
i was reading up on the PCM - autozone calls them ecc. are these the same thing?

A/Z also says it may be possible that this PCM may have a replacible "PROM" chip, would that be applicable to this sebring?

i've checked with other parts stores, napa..etc, and the only 2 that have a PCM is advanced auto parts and autozone. i'm not sure whether to trust
parts from these places because their know for "cheap inferior" parts.

any comments on ths would be appreciated.
 

jjm

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#6
$1,500 doesn't seem too bad, if indeed it takes care of ALL the concerns.

Of course, without codes, it's really difficult to make any determinations, but a bad PCM seems odd. With all the crazy things going on, it would seem more likely the BCM would be the culprit.

PCM... ECC... tomato... tomoto... same difference.

PCM replacement does require anti-theft relearn, transmission shift quality quick learn, and possibly pinion factor relearn and TCC relearn. The anti theft relearn is easy, but the tranny stuff looks like it requires a Chrysler scan tool. Maybe you can get away with the tranny learn procedures, since the TCM is not being replaced, but I am by no means advocating this. You might want to consider an <b><a href="http://www.myaffiliateprogram.com/u/alldata/t.asp?id=1035" target="_blank">AllDataDIY</a></b> sub to confirm.

The PCM is located on the LH side of the engine bay, it has two sets of connectors on it. The module closer to the engine is the TCM.

Best bet for the PCM would be the dealer. I would NOT get the PCM from any auto parts store... it's just not worth the savings. I'd sooner get one from a parts yard than an auto parts store. Speaking of parts yard, if you get a replacement cluster, you have to consider the odometer readings, which must either be reset to current of a sticker affixed to the door jamb.

Joe

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Cheef

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#7
There is a gentleman with excellent feedback points on Ebay that will recondition your cluster for $100.00 More often than not, there is a stress fractured solder joint on the printed circuit board. With vibration and heat/cold these joints sometimes will work and other times open circuit causing problems. With a set of good magnifying style reading glasses (dollar store) you can generally see the bad joints and resolder them.

My opinion if this vehicle came into my possession would be fix the cluster first since clusters are a "nexus" of all the computer systems. A malfuntioning cluster can set PCM, TCM, ABS and BCM codes as well as cause a plethora of gremlins.

You can follow instructions for key-on/off/on/off/on here at BAT site to retrieve codes for the PCM. It does have a "watchdog" system so a code will be set for bum PCM.

My humble opinion is dealer is shotgunning this vehicle to keep it from coming back. If you elect the $1500 make sure you have it in writing that these repairs WILL fix the problems.

PS: I have this very vehicle in my stables right now.

Cheef
 

jjm

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#9
Damn, that Cheef is good! That's great advice... why didn't I think of that, suggesting to just repair or replace the cluster? And he also makes a good point about the dealer going overboard so the thing doesn't come back. Exactly what it looks like to me also.

Joe

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Hoosier

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#10
Locally most of the salvage yards are full of Chrysler products due to engine failure & most parts can be had almost at your own price.
 

wolfsmane

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#11
the worst part is i've been dealing with a medical condition for the last week, and i'm at the point where
i'm not able to get out of bed, so i can't do anything at the moment to work on the car. ouch
 

wolfsmane

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#12
just an update and to say thanks for the help.


because i've been laid up and not able to even go outside to look at the car,
i decided to let the dealer change out the PCM. when i feel a lil better i'll change out
the temp sensor and check the gauge circuit board.

i also took your advice and got the alldata subscription.


1 question though, is the "ambient temperature sensor" and the
"engine coolant temperature sensor" the same?

does the threads need to be teflon taped ?


again, thanks for the help and the patience.