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May 26, 2022 Service bulletin

Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide

Volvo technical service bulletin KC-2158 for 2013-2022 Volvo VNL, 2013-2023 Volvo VN and 2016 Volvo 780 and others.

Bulletin number
KC-2158
Component
Engine and engine cooling
Summary
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions

Owners of these vehicles have filed 9 complaints in the engine category.

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