Technical Service Bulletin 20NA110 — 2017 GMC SIERRA DENALI
ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Bulletin Details
| TSB ID | 20NA110 |
| Manufacturer | |
| Vehicle | 2017 GMC SIERRA DENALI |
| Component | ENGINE AND ENGINE COOLING:ENGINE:DIESEL |
| Communication Date |
Bulletin Summary
This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.