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Author Topic: FIX: 2004 Pacifica - Tire Pressure Monitor  (Read 2717 times)

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DSMLVR

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FIX: 2004 Pacifica - Tire Pressure Monitor
« on: July 12, 2006, 05:29:30 AM »

THIS is definitely great information to know.


Replies:        5 (View Replies)
From:           David Stillie
Date:           Jun 30, 2006 7:19 PM


2004 Chrysler Pacifica

Engine:         3.5 L / 215 CID / 6 cyl / Gas / SOHC
Fuel:           Fuel Injection
Ignition:       Distributorless
Trans:          4-speed Automatic Transaxle (Electronic)
Mileage:        58,123 mi
VIN:            2C8GF68464

Affected Item:  Tire Pressure Monitor
Condition:      on
More Info:      Test results & repair history included below

_____________________ ORIGINAL MESSAGE _____________________

Hi Folks:

This is one for the Chrysler people. The dash displays
"Service Tire System" warning and the tire symbol is on in the
cluster. This is an early build Pacifica so the TPM system is
in the VIC not the WCM. There is a code in the VIC "Internal
Module Failure...seems simple. I have replaced the VIC three
times now. D/C Engineering ensured me that "if it says
internal module failure then thats exactly what it means". The
car is fine for a few days then the code is back and the light
is on. If you erase the code it acts the same way, good for a
few days. I replaced the cluster Wed. at Chryslers
suggestion...customer called back today saying its still the
same.

Any help will be appreciated. Thanks in advance:

Dave

___________________ TEST AND REPAIR DATA ___________________

TESTING AND RESULTS

Load tested power and grounds - good

RELATED REPAIR HISTORY

new VIC module. New instrument cluster

____________________________ FIX ___________________________

This one is fixed. The final solution was a bad tire pressure
sensor. After checking and triple checking everything again, I
called Chrysler Service Engineering (Star Centre for my
American brothers), for the fourth time. After the engineer
searched the databases for about an hour, he came up with a
'similar case' were a bad tire sensor was interpreted by the
VIC as an 'internal controller failure'.Even though all the
tire sensors tested good I replaced all of them. It seemed
better for the customer to do them all at once, otherwise I'd
have to change one, then wait for two days to see if it had
any effect. This is after they recommended replacing a $1900
instrument cluster and two $300 VIC modules! Good thing this
repair was under warranty...I'd hate to have to justify that
kind of money to a paying customer.

Thanks to all that replied. I'm sure glad this one is 'down
the road'


David Stillie
Technician
Oakville Dodge Ltd.
Oakville, Ontario, Canada
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