Service bulletin KC-2157
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 | 10208543 |
| Published by NHTSA | 2022-03-03 |
| Manufacturer's number | KC-2157 |
| Manufacturer's date | 2022-02-10 |
| NHTSA component | ENGINE AND ENGINE COOLING; UNKNOWN OR OTHER |
NHTSA's summary
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions
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
Engine
| MACK ANTHEM (AN) | 2016 to 2017 |
|---|---|
| MACK CHU | 2010 to 2017 |
| MACK CHU613 | 2010 |
| MACK CHU614 | 2010 |
| MACK CMH | 2010 to 2012 |
| MACK CMM | 2010 to 2013 |
| MACK CXU | 2010 to 2017 |
| MACK CXU612 | 2010 to 2011 |
| MACK CXU613 | 2010 |
| MACK CXU613E | 2010 |
| MACK CXU614 | 2010 |
| MACK GRANITE (GR) | 2016 |
| MACK GRANITE (GR) | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MACK GRANITE (GU) | 2010 to 2016 |
| MACK GRANITE (GU) | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MACK GU | 2010 to 2017 |
| MACK GU713 | 2010 |
| MACK GU812E | 2010 |
| MACK GU813 | 2010 |
| MACK GU813E | 2010 |
| MACK GU814 | 2010 |
| MACK LEU | 2010 to 2017 |
| MACK LR | 2010 to 2014 |
| MACK LR | 2015, 2016, 2017 |
| MACK LR6 | 2011 to 2016 |
| MACK MRU | 2010 to 2017 |
| MACK PINNACLE (CHU) | 2010 to 2016 |
| MACK PINNACLE (CHU) | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MACK PINNACLE (CXU) | 2010 to 2016 |
| MACK PINNACLE (CXU) | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TD | 2010 to 2017 |
| MACK TD713 | 2010 |
| MACK TD714 | 2010 |
| MACK TERRAPRO (LEU) | 2012 to 2016 |
| MACK TERRAPRO (LEU/MRU) | 2010 to 2016 |
| MACK TERRAPRO (LEU/MRU) | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TERRAPRO (MRU) | 2011 to 2016 |
| MACK TERRAPRO (MRU) | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TERRAPRO (TE) | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MACK TITAN | 2013 to 2015 |
| MACK TITAN (TD) | 2010 to 2017 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 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.
| 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 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 2107-21 202505 | 2025-06-02. Service bulletin. Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer |
| CBR 170-8 202505 | 2025-06-02. Service bulletin. Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100) |
| M0350 202504 | 2025-05-05. Emissions. ER - Mack Trucks has identified that the Selective Catalyst Reduction (SCR) system in certain vehicles equipped with the MY 2017 or 2018 MP8 VGT and Turbo Compound (TC) engines are not meeting California and EPA emissions standards, or Mack cannot confirm its compliance. |
| CBR-561 202503 | 2025-04-02. Service bulletin. If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years |
| CBR-997 202411 | 2024-12-02. Service bulletin. Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring. |
| M0310 202410 | 2024-11-04. Emissions. EMISISON RECALL - SCR Replacement. |