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GM RPO Codes

figuring out what GM codes stand for
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GM RPO Codes

Postby 98 gmc 4x4 [OP] » Aug 15 2011, 1:34am

The RPO codes are inside of your glove compartment usually on a white sticker. I found this site to be very helpful to me and i figured i would share this with you guys and gals. I didn't know where to post this so sorry moderators.
http://www.marshu.com/images-website/ca ... -codes.pdf
Last edited by EKinMN on Aug 15 2011, 2:58am, edited 1 time in total.
Reason: Thanks for the moderator note. I moved it, and cleaned up the post a bit. Spell check kept changing RPO to PRO.
4404 4405 4403

"Diesel is just a passion that only those who have the bug will understand."
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Re: GM RPO Codes

Postby DRK4X4 » Aug 16 2011, 9:29pm

Good info...I found out a few things about my truck that I couldn't confirm on compnine because it doesn't go thru 2011 yet. Thanks
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Re: GM RPO Codes

Postby 98 gmc 4x4 [OP] » Aug 16 2011, 11:22pm

Your welcome glad it helped some one out.
4404 4405 4403

"Diesel is just a passion that only those who have the bug will understand."
Original Poster
User avatar
98 gmc 4x4
Combustion on 3 pistons [L2]
Combustion on 3 pistons [L2]
Posts: 399
Topics: 21
Images: 30
Joined: Jul 12 2011, 8:14pm
Years of membership: 3 years of membership3 years of membership3 years of membership
Location: Pennsylvania
Year: 1998
Make/Model: GMC Sierra
Extra Info: 1500 4x4 5.0 L
Group Membership:
Registered users

GM RPO Codes

Postby memorybox » Aug 17 2011, 2:47am

Appreciate the info. Good stuff
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Re: GM RPO Codes

Postby 98 gmc 4x4 [OP] » Aug 17 2011, 2:49am

Your welcome i think it should be a sticky.
4404 4405 4403

"Diesel is just a passion that only those who have the bug will understand."
Original Poster
User avatar
98 gmc 4x4
Combustion on 3 pistons [L2]
Combustion on 3 pistons [L2]
Posts: 399
Topics: 21
Images: 30
Joined: Jul 12 2011, 8:14pm
Years of membership: 3 years of membership3 years of membership3 years of membership
Location: Pennsylvania
Year: 1998
Make/Model: GMC Sierra
Extra Info: 1500 4x4 5.0 L
Group Membership:
Registered users

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