# Service bulletin U104

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.

- Type: Service bulletin
- NHTSA id: 10152948
- Published by NHTSA: 2019\-02\-19
- Manufacturer's number: U104
- Manufacturer's date: 2019\-01\-25
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

Mack has determined that certain vehicles equipped with a model year \(?MY?\) 2015 MP8 engine may be equipped with an aftertreatment hydrocarbon injector system, \(AHI\), that may not fulfill expected performance criteria pertaining to the life expectancy of an AHI.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10152948-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10152948-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system

## Vehicles listed

- 2015 MACK GRANITE \(GU\)
- 2015 MACK LR
- 2015 MACK LR6
- 2015 MACK PINNACLE \(CHU\)
- 2015 MACK PINNACLE \(CXU\)
- 2015 MACK TERRAPRO \(LEU/MRU\)
- 2015 MACK TITAN
- 2015 MACK TITAN \(TD\)

## Other bulletins for the same vehicles and component

- [CBR\-2139 202405](/bulletins/11000831.md), 2024-06-04, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this issue.
- [KC\-163](/bulletins/10204007.md), 2021-12-07, Service bulletin: FUEL SYSTEM, DIESEL. Diesel Fuel Information \- Acceptable Biodiesel, Fuel Blend For Summer And Winter \- US07 And Newer Emissions, Model Year 2008 And Newer
- [K88992892](/bulletins/10170132.md), 2020-01-13, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Assembled Camshaft \- Injector Lobe Rotation Inspection For Possible Spun Camshaft Lobe; Diagnostic Trouble Codes \(DTC\) P0257\-00, P2A17\-00, Or P2A1F\-00, Possible Lack Of Power \- US17\+OBD16 and Newer Emissions
- [K84061935](/bulletins/10152958.md), 2019-02-19, Service bulletin: FUEL SYSTEM, DIESEL. Mack Chassis \- Diagnsotic Trouble Code P026D\-00, Fuel Injection Quantity Higher Than Expected; Diagnosis And Information \- US14\+OBD15 Emissions, Model Year 2016
- [K14637412](/bulletins/10152922.md), 2019-02-19, Service bulletin: FUEL SYSTEM, GASOLINE. Diagnostic Trouble Codes \(DTC\) P0194\-00 \- Fuel Rail Pressure Sensor, Circuit Erratic, Intermittent And/Or P016E\-00 Closed Loop Fuel Pressure At Control Limit, Pressure Too High \- US17\+OBD16 \(Common Rail Fuel System\) Emissions And Newer; Model Year 2017 And Newer
- [K23315031](/bulletins/10151922.md), 2018-12-17, Service bulletin: FUEL SYSTEM, GASOLINE. Fuel Tank Strap Insulator Design Update; Fuel Tank Strap Appearance Changed
- [K15325424](/bulletins/10145532.md), 2018-10-15, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; TRAILER HARDWARE: STORAGE CASTERS; STRUCTURE. Expired \- Mack Chassis \- Diagnostic Trouble Code \( DTC \) P026C Lighting The Malfunction Indicator Light \( MIL \) \- US14\+OBD13, US14\+OBD15 And US14\+OBD16 \- Commonly Model Years 2015 To 2017 \(Non\-Common Rail Fuel System\) Chassis
- [K18304613](/bulletins/10142717.md), 2018-07-16, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. Mack Chassis \- Diagnostic Trouble Code \( DTC \) P249C Intermittently Lighting The Malfunction Indicator Lamp \( MIL \) \- US14\+OBD15 And US14\+OBD16 \(Non\-Common Rail Fuel System\) Emissions, Common Model Years 2016 and 2017
- [K73120837](/bulletins/10142713.md), 2018-07-16, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. Mack Chassis \- Diagnostic Trouble Code \( DTC \) P0507 Lighting The Malfunction Indicator Lamp \( MIL \) \- US14\+OBD13, US14\+OBD15, US14\+OBD16 Emissions \(Non\-Common Rail Fuel System\), Common Model Years 2015 To 2017
- [K15325424](/bulletins/10138709.md), 2018-05-29, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ELECTRICAL SYSTEM:SOFTWARE. Mack Chassis \- Diagnostic Trouble Code \( DTC \) P026C Lighting The Malfunction Indicator Light \( MIL \) \- US14\+OBD13, US14\+OBD15 And US14\+OBD16 \- Commonly Model Years 2015 To 2017 \(Non\-Common Rail Fuel System\) Chassis

JSON: [/v1/bulletins/10152948](/v1/bulletins/10152948)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20U104&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10152948&vehicle=Service%20bulletin%20U104)