Vehicle report

2021 MACK TERRAPRO (TE)

Service bulletins

29 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

CBR 2373-4 202605

Service Bulletin/Repair Instructions

Mack TerraPro Door Adjustment Procedure

CBR 2362-3 202604

Service Bulletin/Repair Instructions

CBR - Mack Carrier Nut Adhesive Change.

CBR 2573-1 202604

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.

CBR 2712-7 032026

Service Bulletin/Repair Instructions

CBR - No Start Condition After Over the Air Programing.

CBR 2107-22 202601

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.

CBR 199-6 202511

Service Bulletin/Repair Instructions

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 2172-5 082025

Service Bulletin/Repair Instructions

CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a Critical failure, the vehicle will remain in Safe State.

S4571 082025

Service Campaign

FI - Drag Link and Pitman Arm Replacement.

CBR 2488 072025

Service Bulletin/Repair Instructions

CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.

CBR 407 072025

Service Bulletin/Repair Instructions

CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.

CBR 2107-21 202505

Service Bulletin/Repair Instructions

Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer

CBR 901-5 202505

Service Bulletin/Repair Instructions

Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model Year 2018 And Newer

CBR 445- 11 202505

Service Bulletin/Repair Instructions

Vehicles Equipped With a Common Rail Fuel System - Aftermarket Secondary Fuel Filters, Important Information On Approved Filters - US17+OBD16 toUS21+OBD23

CBR-561 202503

Service Bulletin/Repair Instructions

If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659􀁡Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years

CBR-2016 202412

Service Bulletin/Repair Instructions

Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.

CBR-997 202411

Service Bulletin/Repair Instructions

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.

CBR-2263 202410

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Timing Gear Plate Repair

CBR-570 202409

Service Bulletin/Repair Instructions

CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024

CBR-407 202409

Service Bulletin/Repair Instructions

CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.

CBR-471 202409

Service Bulletin/Repair Instructions

CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the parameter YYT is set to "Enable" with Premium Tech Tool.

CBR-343 202408

Service Bulletin/Repair Instructions

CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak.

CBR-523 202408

Service Bulletin/Repair Instructions

CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY)

CBR-561 202408

Service Bulletin/Repair Instructions

CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions

CBR-2391 202408

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU

CBR-2350 202407

Service Bulletin/Repair Instructions

CBR: Telematics Gateway (TGW) Connect Ability Issues

CBR-2373 202406

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Door Adjustment - Model TE

CBR-2384 202406

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Day Cab Glass Breakage

CBR-2383 202406

Service Bulletin/Repair Instructions

CBR - Accelerator Pedal: Inspection Instructions

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.

2021 Mack Terrapro (te) Service Bulletins: 29 bulletins | CarFathom