Service bulletins for the 2020 Mack Pinnacle
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
247 on file from NHTSA, as of 2026-10-19.
About P20EE on the 2020 Mack Pinnacle: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P20EE are shown. Show all
| K58203603 | 2019-12-09. Service bulletin. ENGINE AND ENGINE COOLING. Diagnostic Trouble Code (DTC) P20EE - SCR NOx Catalyst Efficiency Below Threshold (Bank 1) - US17+OBD2019 Emissions, Model Year 2020 ONLY |
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| K65527708 | 2019-08-19. Service bulletin. EQUIPMENT. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 And Newer Chassis ONLY |
| K65527708 | 2019-05-20. Service bulletin. ENGINE. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 And Newer Chassis ONLY |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.