P103C on the 2018 Mack Pinnacle
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| K65527708 | 2020-05-06. Service bulletin. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 Through US17+OBD2018 Emissions, Model Years 2018 And 2019 |
|---|---|
| K65527708 | 2020-04-03. Service bulletin. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; - US17+OBD16 And US17+OBD19 Emissions |
| K65527708 | 2020-02-24. Service bulletin. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 And US17+OBD2018 Emissions, Model Years 2018 And 2019 |
| K65527708 | 2019-08-19. Service bulletin. 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. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 And Newer Chassis ONLY |
5 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.