Service bulletin FSB 237-021
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 | 10189885 |
| Published by NHTSA | 2021-04-05 |
| Manufacturer's number | FSB 237-021 |
| Manufacturer's date | 2021-03-22 |
| NHTSA component | ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; EQUIPMENT; ELECTRICAL SYSTEM |
NHTSA's summary
Valve, Common Rail, Removal
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Engine, Equipment and accessories, Fuel system
| MACK ANTHEM (AN) | 2016 to 2017 |
|---|---|
| MACK ANTHEM (AN) | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK CHU | 2016 to 2018 |
| MACK CXU | 2016 to 2018 |
| MACK GRANITE (GR) | 2016 |
| MACK GRANITE (GR) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK GRANITE (GU) | 2016 |
| MACK GRANITE (GU) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK GU | 2016 to 2018 |
| MACK LEU | 2016 to 2017 |
| MACK LR | 2016, 2017, 2018 |
| MACK LR6 | 2016 |
| MACK MRU | 2016 to 2018 |
| MACK PINNACLE (CHU) | 2016 |
| MACK PINNACLE (CHU) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK PINNACLE (CXU) | 2016 |
| MACK PINNACLE (CXU) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK PINNACLE (PI/PN) | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TD | 2016 to 2018 |
| MACK TERRAPRO (LEU) | 2016 |
| MACK TERRAPRO (LEU/MRU) | 2016 |
| MACK TERRAPRO (LEU/MRU) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TERRAPRO (MRU) | 2016 |
| MACK TERRAPRO (MRU) | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TERRAPRO (TE) | 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TITAN (TD) | 2016 to 2018 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 18V152000 | 2018-03-06. INTERIOR LIGHTING; VISIBILITY:WINDSHIELD WIPER/WASHER; EXTERIOR LIGHTING; ELECTRICAL SYSTEM |
|---|---|
| 2017216 | 2017-04-19. Electrical |
| 17V261000 | 2017-04-18. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
| 15V702000 | 2015-10-26. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| CBR 159 202608 | 2026-09-01. Service bulletin. Mack Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018Instrument Cluster Update, Model Year2018 And Newer |
|---|---|
| M0304 EC0033 202606 | 2026-06-29. Emissions. Mack Trucks has determined that certain vehicles equipped with a model year (“MY”) 2017-2018 MP8 Turbo Compound (TC) engine may not meet California and Federal Regulations (CARB). This Recall is for updated software that will reduce the amount of time necessary for the system to operate in a cold engine warm-up strategy and provide health monitoring of the Selective Catalyst Reduction (SCR). |
| M0039 032026 | 2026-04-02. Emissions. Emissions - EC0039 MST21 Failure to Detect P20EE - AN, CHU. |
| M0302 022026 | 2026-03-03. Emissions. Emissions - Mack Trucks has determined that certain vehicles equipped with a model year (“MY”) 2017-2018 MP7 engine may not meet California and Federal Regulations (CARB). |
| CBR 126 022026 | 2026-03-03. Service bulletin. CBR - The purpose of this solution is to give information on Engine Control Module (EMS) Software content. |
| CBR 820-9 202601 | 2026-02-03. Service bulletin. CBR - Mack Chassis - Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer. |
| CBR 2107-22 202601 | 2026-02-02. Service bulletin. CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)). |
| CBR 2171-11 202511 | 2025-12-03. Service bulletin. CBR - Mack Temperature Sensor Troubleshooting Guide |
| CBR 407 072025 | 2025-08-04. Service bulletin. CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded. |
| CBR 2488 072025 | 2025-08-04. Service bulletin. CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data. |