C5 Keyless entry Modification

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Nov 16, 2004 | 02:44 PM

im20agn

Thread Starter

Intermediate

Joined: Nov 2003

Posts: 49

Likes: 0

From: University Place WA

C5 Keyless entry Modification

I have a 2001 and want to know if I can modify the entry system to upgrade it to the system that the C6 uses ie: keyless, handsfree

Nov 16, 2004 | 03:37 PM

Bill Curlee

Tech Contributor

Joined: Dec 1999

Posts: 32,910

Likes: 2,402

From: Anthony TX

CI 6,7,8,9,11 Vet

St. Jude Donor '08

I SERIOUSLY doubt it! The 97-2000 and the 2001-2004 systems are so different that the FOB's and TPM sensors are NOT interchangable!

The C6 electronic layout is more than likley so different that they probably dont even use the different modules for all of the functions.

Good luck!

Nov 17, 2004 | 12:12 AM

Robert56@RNS

Collections Hold

Joined: May 2003

Posts: 3,520

Likes: 2

From: Tacoma WA

My '97 has passive/active or keyless entry, when did they stop this as option on C5?

Nov 17, 2004 | 12:22 AM

Bill Curlee

Tech Contributor

Joined: Dec 1999

Posts: 32,910

Likes: 2,402

From: Anthony TX

CI 6,7,8,9,11 Vet

St. Jude Donor '08

I think in 99

Nov 17, 2004 | 02:08 AM

Monster231

Safety Car

Joined: Feb 2003

Posts: 3,865

Likes: 0

From: Chicago il

Its easily done with aftermarket alarms

Nov 17, 2004 | 06:55 AM

C5Charlotte

Instructor

Joined: Sep 2002

Posts: 221

Likes: 0

From: Charlotte NC

just fyi, my '99 has active/passive....

Nov 17, 2004 | 12:36 PM

screw991le

Race Director

Joined: Sep 2004

Posts: 17,786

Likes: 4

From: Redsox, Pats, Celts & Bruins !!! Redsox Nation !!!

St. Jude Donor '06-'07-'08-'09-'10-'11-'12

Quote:

Originally Posted by Monster231

Its easily done with aftermarket alarms

DEI electronics makes these, They make viper ETC, From what I understand it is $500 a door (both doors have to be done) and $500 for the push button starter.

Dec 20, 2025 | 02:42 PM

nehVvettemom

Cruising

Joined: Dec 2025

Posts: 13

Likes: 0

KE TPMS Receiver Module

FYI I am an old lady forum noob, so be gentle if I am doing this wrong.

Last edited by nehVvettemom; Jan 26, 2026 at 12:38 PM.

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Dec 20, 2025 | 03:16 PM

grinder11

Race Director

Joined: Oct 2004

Posts: 12,864

Likes: 4,667

Only thing I can see you doing wrong is replying to a 21 year old (!!) thread. Other than Bill Curlee, most of the people you're quoting haven't been on the forum for 10 or 15 years. Better to start a new one of your own......