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Service bulletins for the 2022 Mack Terrapro

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.

168 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
KC-22592023-04-04. Service bulletin. ENGINE AND ENGINE COOLING. Oil In Coolant - Cross Contamination From Oil Cooler - 13L VGT Engines
KC-22402023-04-04. Service bulletin. ELECTRICAL SYSTEM. Mack - Allison Reduced Engine Load At A Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR/TE Models Built, With The Split Shaft Package, June 2022 to October 2022
KC-22582023-04-04. Service bulletin. POWER TRAIN. Diagnostic Trouble Code (DTC) P107471 - AMT-F
S76442023-03-07. Service bulletin. ENGINE AND ENGINE COOLING. 13L Oil Pickup Replacement
S76272023-03-07. Service bulletin. ENGINE AND ENGINE COOLING. Mack MMD Alternator Pulley
KC-22442023-03-07. Service bulletin. STRUCTURE:FRAME AND MEMBERS; SUSPENSION. Mack Model TE,LR - Frame Over Height
KC-22542023-03-07. Service bulletin. ELECTRICAL SYSTEM. Mack Chassis - No Gauge Cluster Backlight
KC-21652023-03-07. Service bulletin. ENGINE AND ENGINE COOLING. Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-22402023-03-07. Service bulletin. ELECTRICAL SYSTEM. Mack - Allison Reduced Engine Load At A Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR/TE Models Built, With The Split Shaft Package, June 2022 to October 2022
KC-22402023-03-07. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Allison Reduced Engine Load at a Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR/TE Models Built June 2022 to October 2022
KC-22012023-01-07. Service bulletin. ELECTRICAL SYSTEM. Engine Control Module (EMS) Software (MSW) Information – October 2022; Improvement List (Change Log) - US21+OBD22 (13L VGT, TC) And US17+OBD22 (11L) Emissions
M-212-0012023-01-04. Service bulletin. ENGINE AND ENGINE COOLING. Timing Gear Plate Inspection
STB22-004M2022-12-06. Service bulletin. POWER TRAIN; EQUIPMENT. Mack Essential Tool Shipment
SLM22-0112022-12-06. Service bulletin. EQUIPMENT. Service Literature Published and Released in November, 2022
KC-3282022-12-05. Service bulletin. ELECTRICAL SYSTEM. Diagnostic Trouble Codes (DTC) P208064, P208464, P242B64 and P246F64 Lighting The Malfunction Indicator Lamp (MIL) - US17+OBD19 And Newer Emissions, Model Years 2020 and Newer
KC-21652022-11-03. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
S76442022-11-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. 13L Oil Pickup Replacement
S76552022-10-06. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Power Divider Lock Out Parameter Update
M-265-0022022-10-06. Service bulletin. ENGINE AND ENGINE COOLING. TSB-Charge Air Cooler t-clamp install.
CBR-21312022-09-08. Service bulletin. ENGINE AND ENGINE COOLING. USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
M-375-0012022-09-01. Service bulletin. ELECTRICAL SYSTEM. 2009 Document reformatted to be published as a TSB in Impact. Cab Roof Harness Repair and Pass-Through Hole Modification
M-451-0022022-09-01. Service bulletin. SUSPENSION. 2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles
M-652-0012022-09-01. Service bulletin. SUSPENSION. 2009 Document reformatted to be published as a TSB in Impact. Axle Alignment Specifications
S76442022-07-06. Service bulletin. ENGINE AND ENGINE COOLING. Oil Pickup Replacement
KC-7332022-07-05. Service bulletin. ENGINE AND ENGINE COOLING. Back Office Mack Chassis - Secondary Gauge Set Up - Model Year 2018 and Newer.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.