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February 25, 2022 Service bulletin

DEF Level (UQLS) Sensor Troubleshooting Guide

Mack technical service bulletin KC-2107 for 2017-2022 Mack Anthem (An), 2017-2022 Mack Granite (GR) and 2017-2018 Mack Gu and others.

Bulletin number
KC-2107
Component
Engine and engine cooling
Summary
DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer

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