- September 3: GM's Special Coverage N192219480 Program Closes Investigation investigations | 16 days ago
- September 2: GM Transmission Class Action Lawsuit Continues After Appeal news | 17 days ago
- September 2: GM Duramax Lawsuit Partially Brought Back on Appeal news | 17 days ago
- August 4: GM Peeling Paint Class Action Lawsuit Says Recall Needed news | 46 days ago
- July 31: GM Duramax Diesel CP4 Fuel Pump Lawsuit Settlement news | 50 days ago
GMC TSB #PIC6179A
2018 GMC Sierra 2500
TSB Document:
Affected Component: SEATS
- Summary
- This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. This is a normal design characteristic for this seat configuration. These vehicles lack a subwoofer.
Click a tab for more information.