2017 MACK MRU Problems, Recalls & Safety Rating

Overview of the 2017 MACK MRU

The 2017 MACK MRU has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There has been 1 recall campaign affecting this vehicle, covering issues with SERVICE BRAKES, AIR:ANTILOCK. 9 technical service bulletins have been issued by Mack Trucks, Inc. for this model year.

Recalls for the 2017 MACK MRU

NHTSA has recorded 1 recall for the 2017 MACK MRU, potentially affecting up to 142 vehicles.

Recall 25V030000 — SERVICE BRAKES, AIR:ANTILOCK

April 30, 2025 | 142 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2010-2018 MRU and 2019-2025 Terrapro towing vehicles. The vehicles are missing the anti-lock brake (ABS) warning light and circuitry that controls the anti-lock brake function for an attached trailer. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."

Consequence: Driving without a functioning anti-lock brake system may result in the trailer not braking as intended, increasing the risk of a crash.

Remedy: Dealers will add an ABS warning light and circuitry, free of charge. Owner notification letters were mailed April 28, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0474.

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Owner Complaints for the 2017 MACK MRU

No complaints have been filed with NHTSA for the 2017 MACK MRU.

Safety Rating for the 2017 MACK MRU

NHTSA has not yet tested the 2017 MACK MRU in its New Car Assessment Program.

Technical Service Bulletins for the 2017 MACK MRU

Mack Trucks, Inc. has issued 9 technical service bulletins (TSBs) for the 2017 MACK MRU. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.

M-823-002 — STRUCTURE

September 21, 2022

2008 Document reformatted to be published as a TSB in Impact. Grille bar, replacment.

M-563-001 — PARKING BRAKE

September 15, 2022

2008 Document reformated to be published as a TSB in Impact. Field repair for the treadle valve.

KC-475 — ELECTRICAL SYSTEM

March 22, 2022

Mack Chassis - Diagnostic Trouble Code ( DTC ) P2459 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Frequent Regeneration Requests - US14+OBD15 And US14+OBD16 Emissions, Common Model Years 2016 And 2017

KC-112 — ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

October 19, 2021

Mack Chassis - Diagnostic Trouble Code ( DTC ) P05EB, Diagnostic And Repair Information - US14+OBD15 And US14+OBD16 (Commonly Model Years 2016 And 2017)

K95422063 — ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

April 23, 2018

Mack Chassis - Diagnostic Trouble Code ( DTC ) P2459 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Frequent Regeneration Requests - OBD15 And US14+OBD16 (Non-Common Rail) Chassis

K15325424 — ELECTRICAL SYSTEM:SOFTWARE

April 17, 2018

Mack Chassis - Diagnostic Trouble Code ( DTC ) P026C Lighting The Malfunction Indicator Light ( MIL ) - US14+OBD13, US14+OBD15 And US14+OBD16 - Commonly Model Years 2015 To 2017 (Non-Common Rail Fuel System) Chassis

K76992557 — FUEL SYSTEM, GASOLINE

October 31, 2017

Chassis Experiencing High soot Accumulation, Abnormal ( Too High, Too Low ) Regeneration Temperatures Following An Aftertreatment Hydrocarbon Injector ( AHI, 7th Injector ) Nozzle Replacment Procedure

PI 0870 — ELECTRICAL SYSTEM:SOFTWARE

August 9, 2016

ENGINE CONTROL MODULE (ECM), REPROGRAMMING. CERTAIN MACK MRU TRUCKS BUILT FROM 01/01/2016 TO 07/23/2016, AND EQUIPPED WITH A CUMMINS ISL ENGINE MAY EXPERIENCE IMPROPER OPERATION OF THE ENGINE COOLING FAN WHILE THE A/C SYSTEM IS IN OPERATION. REPROGRAMMING OF MULTIPLE CUMMINS ENGINE CONTROL MODULE (ECM) PARAMETERS ARE REQUIRED TO RESOLVE...

PI 0870 — ENGINE