GM RPO Code Forum

120 topics · 584 replies · read-only archive

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

Showing 21–40 of 120 topics · page 2 of 6

Would you choose the 54Q configuration again?
Mark K. · May 3, 2026 · Exterior & Appearance

8 replies 917 views
Build sheet and dealer printout disagree about 3YT
Nick M. · May 3, 2026 · Wheels & Tires

0 replies 760 views
Why is the 2DN equipment missing from my vehicle?
Mike C. · Apr 30, 2026 · Wheels & Tires

9 replies 1,135 views
Who has the most accurate description for 3FE?
Jeff W. · Apr 26, 2026 · Interior & Comfort Solved

10 replies 1,055 views
Is the 4QU option useful outside of special conditions?
Sean E. · Apr 24, 2026 · Exterior & Appearance Solved

9 replies 1,115 views
55U is listed, but the option does not seem to work
Logan M. · Apr 22, 2026 · Exterior & Appearance

5 replies 861 views
Can the 2DN option be added after production?
Kate B. · Apr 21, 2026 · Wheels & Tires Solved

6 replies 562 views
403 code found — can someone confirm the exact option?
Hannah E. · Apr 20, 2026 · Interior & Comfort Solved

8 replies 1,550 views
Parts department could not identify 37Q
Brian H. · Apr 19, 2026 · Exterior & Appearance Solved

3 replies 470 views
11U code found — can someone confirm the exact option?
Nicole C. · Apr 17, 2026 · Exterior & Appearance

7 replies 944 views
Seller says this vehicle has the 17U option
Brooke B. · Apr 8, 2026 · Exterior & Appearance

5 replies 1,084 views
Why do two build sheets show different codes for similar equipment?
Derek M. · Apr 7, 2026 · Transmission & Drivetrain Solved

8 replies 1,142 views
Can the 4EV option be added after production?
Jeff W. · Mar 20, 2026 · Interior & Comfort Solved

5 replies 1,568 views
Could 55U indicate deleted or unavailable equipment?
Cody M. · Mar 17, 2026 · Exterior & Appearance

9 replies 849 views
Is 3TC the correct code for this feature?
Nicole C. · Mar 4, 2026 · Wheels & Tires

4 replies 561 views
Any long-term experience with the 10I option?
Megan Y. · Mar 2, 2026 · Interior & Comfort

10 replies 620 views
Real-world difference with the 209 configuration
Samantha P. · Feb 23, 2026 · Interior & Comfort Solved

4 replies 1,171 views
Does 1CS change towing, performance, or fuel economy?
Justin T. · Feb 20, 2026 · Interior & Comfort

3 replies 1,368 views
What does 25L mean on my 1995 Buick Encore GX build sheet?
Nicole M. · Feb 18, 2026 · Exterior & Appearance

9 replies 1,768 views
Dealer says 3FU means something different
Patrick J. · Feb 18, 2026 · Exterior & Appearance

2 replies 767 views