new pcm security light not on cant relearn key

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04-17-2021, 04:31 AM

yosemisteve

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Join Date: Apr 2021

Posts: 3

new pcm security light not on cant relearn key

2003 lw300 v6 replaced pcm with new programmed to my vin number. try to get the key relearn but the security light wont stay on steady. any ideas.

04-17-2021, 09:20 AM

Rubehayseed

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Join Date: Jul 2011

Location: Anniston, AL

Posts: 4,914

Wait for Andy to respond. He's the L series guru here.

04-17-2021, 11:31 PM

derf

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Join Date: Jul 2005

Location: Slightly off center

Posts: 10,359

pcm or bcm (just checking)?

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