Ask A GM Technician

16,048 topics in this forum

1. Electrical Issues

   By k4ben, February 13
   • 2 replies
   • 221 views
   • 
   • k4ben
   • February 18

2. C0110-00 2007 Chevy 1500

   By Xman05, February 9
   • 2 replies
   • 200 views
   • 
   • Jsdirt
   • February 15

3. 2012 Yukon XL Denali 172000 miles 6.2L. Owned for 10yrs and no problems until early last year

   By testdepth, February 15
   • 1 reply
   • 192 views
   • 
   • Jsdirt
   • February 15

4. Replacing factory original spark plugs

   By MaverickZ71, February 10
   • 2 replies
   • 375 views
   • 
   • Jsdirt
   • February 11

5. High Resistance in battery Cables

   By djlightning, December 6, 2025
   • 3 replies
   • 345 views
   • 
   • carkhz316
   • February 5

6. 03 2500hd 6.0 misfire issue

   By ShiftyEskimo, January 15
   • 3 replies
   • 177 views
   • 
   • Jsdirt
   • February 4

7. 2011 5.3 hesitates on start-up

   By LaserBlueZ71, January 28, 2015
   • 6 replies
   • 9k views
   • 
   • Mttruck
   • February 4

8. 2003 Chevy Silverado odometer lit up when turned off

   By omar548, January 12
   • 1 reply
   • 158 views
   • 
   • Jsdirt
   • February 3

9. OIL presure on 2024 colorado ?

   By Custom Curious, December 26, 2025
   • 0 replies
   • 134 views
   • 
   • Custom Curious
   • December 26, 2025

10. 2004 Escalade Brake Light Switch Issue

    By Chris Stutes, December 23, 2025
    • 0 replies
    • 91 views
    • 
    • Chris Stutes
    • December 23, 2025

11. 2001 Gmc Yukon 2500, multiple issues (possibly related)

    By Kaptain America, December 9, 2025
    • 0 replies
    • 107 views
    • 
    • Kaptain America
    • December 9, 2025

12. Way to check what maintenance has been done on a used vehicle 1 2

    By Badbird2000, November 3, 2025
    • 16 replies
    • 2.2k views
    • 
    • Jsdirt
    • November 6, 2025

13. ISO on C2 pin 19 information for a 2001 Chevy Silverado 1500 4x4 1 2

    By Roadstar01, January 2, 2025   

    • pcm wiring
    • 4x4 actuator, transfer case
    • (and 1 more)

      Tagged with:

      • pcm wiring
      • 4x4 actuator, transfer case
      • tccm
    • 16 replies
    • 4.2k views
    • 
    • Roadstar01
    • October 27, 2025

14. 2001 GMC Sierra 1500 5.3L Secondary Air Monitor

    By Aussiehomie, June 9, 2025
    • 7 replies
    • 1.4k views
    • 
    • Jsdirt
    • June 12, 2025

15. A/C leak

    By Joseph23, June 6, 2025
    • 8 replies
    • 878 views
    • 
    • Jsdirt
    • June 10, 2025

16. Park assist no light 2020 Silverado.

    By CDog77, May 31, 2025
    • 1 reply
    • 562 views
    • 
    • newdude
    • May 31, 2025

17. Flar towing

    By Glenn Dausch1, May 24, 2025
    • 3 replies
    • 539 views
    • 
    • Jsdirt
    • May 27, 2025

18. 2004 Suburban blows 10a A/C fuse under hood

    By Virginia Veg., July 16, 2016
    • 9 replies
    • 11.8k views
    • 
    • clint45
    • May 26, 2025

19. Passenger seat won’t move forward or back

    By Alex8124, May 19, 2025
    • 0 replies
    • 356 views
    • 
    • Alex8124
    • May 19, 2025

20. Wiper motor removal

    By Eric pipefitter, May 13, 2025
    • 4 replies
    • 600 views
    • 
    • Duelin
    • May 15, 2025

21. 2020 Chevy High Country Silverado, 4 lights on

    By Chevytruck2020, May 9, 2025
    • 1 reply
    • 482 views
    • 
    • Jsdirt
    • May 11, 2025

22. Fuse kit

    By H0bbes, May 9, 2025
    • 0 replies
    • 309 views
    • 
    • H0bbes
    • May 9, 2025

23. Check engine light

    By Shaneson, May 4, 2025
    • 1 reply
    • 437 views
    • 
    • Jsdirt
    • May 5, 2025

24. Service Tire Monitor & Loss of Keyless Entry/Remote Start

    By cvfd1615, November 15, 2013
    • 14 replies
    • 47.4k views
    • 
    • 2014Suburban
    • April 29, 2025

25. Service brakes soon

    By ProvokedSavage, May 14, 2018
    • 6 replies
    • 60.6k views
    • 
    • Usafloadc17
    • April 14, 2025