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Unread 12-02-2013, 02:24 PM   #1
atarijedi
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2008 WK 
 
Join Date: Nov 2013
Location: Toronto, Ontario
Posts: 98
Had a GDE scare!!! (wasn't the GDE tune)

So I installed the GDE eco tune today. Everything went smoothly after a question about the "GRAND CHEROKEE (WH)" in the instructions which weren't on the flasher, it said "GRAND CHEROKEE (WK)", they are the same thing in case anyone is worried.

So I started the truck up right after the tune, sounded awesome, had more pull, great! Parked the truck in the driveway, go inside and watch some tv. Dad comes home, so I told him I wanted to swap in the driveway because I am going out early tomorrow.

Turn the fob... a click, and no start. Tried again, click, headlights flashed, cluster gauge flashed. I freaked the f*** out, thinking, did I just toast my ECU?

Dad comes up beside the truck, asks whats wrong, I show him, and he's like "Oh, that's the battery". Phew...

After a jump, went to see a friend and had the battery tested. Turns out the battery in the truck could only hold a charge for like, 5-7min or so, things could have been much worse if the battery went out whilst tuning!

Anyways, bought a new battery for it from NAPA. Happy day!

p.s. Fluids for this thing cost an arm and a leg. NAPA guy said Jeep stands for "just empty every pocket", well, when you are talking about fluids, that's the truth! Has to be done though.

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Unread 12-02-2013, 03:17 PM   #2
yzjwk
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Your pretty darn lucky you got through tuning it before your battery died .
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Unread 12-02-2013, 04:21 PM   #3
Shafer57
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Quote:
Originally Posted by yzjwk View Post
Your pretty darn lucky you got through tuning it before your battery died .
X2.

If you lose all power while re-writing a PCM map, etc. You can pretty much bank on a tow to dealer.
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Unread 12-02-2013, 08:10 PM   #4
Chirpz
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WOW. Close call. People need to notice this and beware!!
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Unread 12-02-2013, 08:44 PM   #5
Shafer57
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Originally Posted by Chirpz View Post
WOW. Close call. People need to notice this and beware!!
Agreed. My battery is good, but even with that, I still unplug and disconnect ANY extra accessories. Including radio, etc.
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Unread 12-03-2013, 01:08 AM   #6
atarijedi
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Originally Posted by Chirpz View Post
WOW. Close call. People need to notice this and beware!!
Totally, I am veryyyyyyyyy lucky.
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Unread 12-03-2013, 04:41 AM   #7
Blue_Sassley
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Originally Posted by Shafer57 View Post
Agreed. My battery is good, but even with that, I still unplug and disconnect ANY extra accessories. Including radio, etc.
I agree, I make sure I have my blower motor off and everything. Reading a lot of the different TSB's with re programming I notice Chrysler calls for a range of voltage to be on the system during there re programs.

Blue
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