GM RPO Code Forum

120 topics · 584 replies · read-only archive

Owner-to-owner threads about decoding GM factory option codes. Every thread here is archived reading — use the VIN lookup to pull your own build sheet.

Interior & Comfort47
Exterior & Appearance35
Wheels & Tires17
Transmission & Drivetrain12
Packages & Towing6
Electronics & Infotainment1
General Code Identification1
Safety & Driver Assistance1

Showing 1–20 of 120 topics · page 1 of 6

Seller says this vehicle has the 3TA option
Jeff W. · Jul 21, 2026 · Wheels & Tires

10 replies 1,404 views
Real-world difference with the 19E configuration
Evan W. · Jul 16, 2026 · Interior & Comfort

9 replies 1,073 views
VIN report and dealer description disagree on 56T
Nicole A. · Jul 10, 2026 · Transmission & Drivetrain

0 replies 1,220 views
Build sheet has 2TB, but I cannot find the feature
Jeff C. · Jul 8, 2026 · Wheels & Tires Solved

10 replies 1,565 views
Does 3DO confirm my 2021 GMC Canyon was built with this option?
Amanda Y. · Jul 7, 2026 · Interior & Comfort Solved

2 replies 822 views
Would you choose the 15U configuration again?
Monica S. · Jun 30, 2026 · Exterior & Appearance

3 replies 849 views
Checking 32U before buying a used 2008 Buick Enclave
Tony W. · Jun 26, 2026 · Exterior & Appearance

4 replies 861 views
Does 52F change towing, performance, or fuel economy?
Daniel M. · Jun 25, 2026 · General Code Identification Solved

6 replies 978 views
Would you choose the 4WT configuration again?
Nicole C. · Jun 23, 2026 · Packages & Towing

9 replies 1,284 views
VIN report and dealer description disagree on 403
Monica A. · Jun 22, 2026 · Interior & Comfort Solved

7 replies 1,347 views
Owners with 14U: how has it worked for you?
Logan M. · Jun 21, 2026 · Exterior & Appearance Solved

9 replies 1,296 views
Looking for real owner feedback on 0II
Nick S. · Jun 21, 2026 · Interior & Comfort

8 replies 1,107 views
Dealer says 3DR means something different
Kevin D. · Jun 9, 2026 · Interior & Comfort

0 replies 861 views
How does 00Z affect everyday driving?
Grace W. · May 29, 2026 · Safety & Driver Assistance

1 replies 966 views
Looking for real owner feedback on 02I
Ryan R. · May 28, 2026 · Interior & Comfort Solved

3 replies 813 views
Does 43X change towing, performance, or fuel economy?
Logan N. · May 26, 2026 · Interior & Comfort

7 replies 749 views
01J versus another similar code on GMC Sierra 1500
Justin T. · May 24, 2026 · Interior & Comfort

6 replies 947 views
Owners with 47U: how has it worked for you?
Diana M. · May 20, 2026 · Exterior & Appearance Solved

4 replies 758 views
Does 162 confirm my 2020 Chevrolet Camaro was built with this option?
Mike L. · May 12, 2026 · Interior & Comfort

9 replies 1,506 views
Seller says this vehicle has the 1SU option
Brian M. · May 7, 2026 · Packages & Towing

1 replies 875 views