Removing battery, what needs reprogrammed?

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May 1, 2007 | 08:11 PM

G8rDMD

Thread Starter

Le Mans Master

Joined: Mar 2007

Posts: 9,838

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From: Charlotte NoCar

National Champs Gators 4 St. Jude '09

St. Jude Donor '10-'11

Removing battery, what needs reprogrammed?

I will be unhooking my battery to install an amp and probably to also upgrade the big three in the next week or so...my question is, what will I need to reprogram once I hook it back up? DIC, memory seats, windows? Thanks for your help, I love this place

May 1, 2007 | 08:42 PM

nmbis2k

Instructor

Joined: Jul 2001

Posts: 219

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From: exeter CA

I switched batteries and only had to reprogram the anti-theft code in the radio. Make certain you find the code first.

May 1, 2007 | 09:16 PM

LarryW

Pro

Joined: Jul 2004

Posts: 710

Likes: 1

From: Fremont (Livin' On The Fault Line!) CA

I had my battery removed for several hours and only had to update the clock setting on the factory radio (no issues with the anti-theft code since I've never programmed it)...no other issues

Larry

May 1, 2007 | 09:25 PM

SUNNYD 95

Burning Brakes

Joined: Sep 2005

Posts: 987

Likes: 1

From: Braidwood Il.

Quote:

Originally Posted by G8rDMD

You will also have to reprogram your key fobs.

May 1, 2007 | 11:41 PM

B Taylor

Instructor

Joined: Feb 2005

Posts: 228

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From: Phoenix AZ

St. Jude Donor '08

I changed my battery last week and only had to reset the clock. When reconnecting power, don't be alarmed with racket that the trunk mount CD changer makes.

May 2, 2007 | 12:48 AM

rustyguns

Le Mans Master

Joined: Dec 2006

Posts: 7,251

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From: Phoenix Arizona

i did my 02 zo6 with redtop and only had to reset the clock

May 2, 2007 | 11:47 AM

UstaB-GS549

Drifting

Joined: Dec 2003

Posts: 1,895

Likes: 84

From: Darien IL

Quote:

Originally Posted by rustyguns

i did my 02 zo6 with redtop and only had to reset the clock

Same with mine. Battery out of car for months.

May 2, 2007 | 01:04 PM

BowTieRocket

Racer

Joined: Feb 2007

Posts: 431

Likes: 5

From: Chico CA

Quote:

Originally Posted by nmbis2k

I switched batteries and only had to reprogram the anti-theft code in the radio. Make certain you find the code first.

Look in your owner's manual. If you're not sure, look for a red light blinking on the stereo head unit with the key off. If it's blinking, the anti-theft is set. It's probably in the manual under "TheftLock" or some derivative thereof.

If you don't know the code, you should probably see your dealer for advice before disconnecting the battery. Per the service manual, there's a "factory backup code" that the dealer can access, but it isn't published in the manual.

The good news is that the default is no code set, and the only other effect I'm aware of is that the PCM goes into initial learning mode after being de-powered.