# Service bulletin K18013154

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: 10174740
- Published by NHTSA: 2020\-05\-06
- Manufacturer's number: K18013154
- Manufacturer's date: 2020\-04\-01
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT

## NHTSA's summary

Vehicles Equipped With A One\-Box Emissions Aftertreatment System \( EATS \) \- Diagnostic Trouble Codes \( DTC \) P2463 and P2453. US17\+OBD16 \(GHG17\) And Newer Emissions, Common Model Year 2018 And Newer

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174740-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174740-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Trouble codes named

P2453, P2463

## Vehicles listed

- 2018 MACK CHU
- 2018 MACK CXU
- 2018 to 2020 MACK GRANITE \(GU\)
- 2018 to 2020 MACK PINNACLE \(CHU\)
- 2018 to 2020 MACK PINNACLE \(CXU\)
- 2018 to 2020 VOLVO VAH
- 2018 to 2020 VOLVO VHD
- 2018 to 2020 VOLVO VNL
- 2018 to 2020 VOLVO VNM
- 2018 to 2020 VOLVO VNR

## Other bulletins for the same vehicles and component

- [M0304 EC0033 202606](/bulletins/11034136.md), 2026-06-29, Emissions: ENGINE. 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 \(SCR\).
- [M0302 022026](/bulletins/11029451.md), 2026-03-03, Emissions: ENGINE. 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](/bulletins/11028051.md), 2026-02-03, Service bulletin: ENGINE; VEHICLE SPEED CONTROL. 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](/bulletins/11028032.md), 2026-02-02, Service bulletin: ENGINE. CBR \- Mack DEF Level \(UQLS\) Sensor Troubleshooting Guide \- US17\+OBD16 Emissions to US22\+OBD2023 \(DOES NOT APPLY TO AN\(4\) and PR\(4\)\).
- [CBR 199 202512](/bulletins/11027007.md), 2026-01-05, Service bulletin: ENGINE. Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.
- [CBR 2171\-11 202511](/bulletins/11026025.md), 2025-12-03, Service bulletin: ENGINE; ELECTRICAL SYSTEM. CBR \- Mack Temperature Sensor Troubleshooting Guide
- [CBR 199\-6 202511](/bulletins/11026021.md), 2025-12-03, Service bulletin: ENGINE. CBR \- 13 Liter Engines ONLY \- Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In Between The Coolant Pump Housing And Oil Cooler Housing.
- [CBR 2107\-21 202505](/bulletins/11018813.md), 2025-06-02, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. Mack DEF Level \(UQLS\) Sensor Troubleshooting Guide \- US17\+OBD16 Emissions and Newer
- [CBR 170\-8 202505](/bulletins/11018804.md), 2025-06-02, Service bulletin: ENGINE. 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](/bulletins/11017732.md), 2025-05-05, Emissions: ENGINE. 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.

JSON: [/v1/bulletins/10174740](/v1/bulletins/10174740)

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