Best Diagnostic Scanner for Mack Trucks

Mack Trucks has been the bulldog of the American trucking industry since 1900. Known for rugged construction and legendary durability, Mack trucks are the workhorses of construction sites, refuse collection, and regional hauling. The Anthem brought modern aerodynamics to the Mack lineup, the Granite remains the vocational standard, and the LR continues to dominate refuse applications.

As part of the Volvo Group, modern Mack trucks benefit from shared technology that includes Volvo-based engines (MP7 and MP8), the mDrive automated transmission (based on I-Shift), and integrated electronic systems. This shared platform means a single ThinkCar diagnostic scanner covers both Mack and Volvo trucks with the same level of diagnostic capability.

Whether you operate a fleet of Granites on construction sites, maintain Anthems for regional distribution, or service LR refuse trucks, a professional diagnostic scanner keeps your Mack trucks productive without depending on dealer service appointments that can take days to schedule and cost hundreds per hour.

Mack Truck Model Coverage

Mack Engine Diagnostics: MP7 & MP8

Mack trucks are powered by the MP7 and MP8 engines, which are derived from the Volvo D11 and D13 respectively. These engines share the same fundamental architecture, electronic controls, and aftertreatment systems as their Volvo counterparts. ThinkCar scanners provide deep diagnostic access:

• Mack MP8 (12.8L): Based on the Volvo D13 platform. Full engine diagnostics including DPF forced regeneration, SCR catalyst efficiency testing, EGR valve diagnostics, injector trim coding, turbo compound system monitoring, and aftertreatment derating reset. The MP8 powers Anthem, Pinnacle, and Granite models in high-horsepower configurations up to 505 HP.
• Mack MP7 (11.0L): Based on the Volvo D11. Complete diagnostic coverage including all aftertreatment functions, fuel system diagnostics, and engine parameter monitoring. The MP7 is the standard engine for Granite vocational trucks and LR refuse trucks, producing up to 425 HP.
• Cummins Options: Some Mack models can be spec'd with Cummins ISX15, X15, ISL9, or ISB6.7 engines. ThinkCar scanners cover all Cummins platforms with full aftertreatment and engine diagnostics.

Key Diagnostic Functions for Mack

mDrive Transmission Coverage

The Mack mDrive automated manual transmission is based on Volvo's proven I-Shift technology, optimized for Mack truck applications. ThinkCar scanners provide essential mDrive diagnostics:

• Fault Code Access: Read and clear all mDrive-related fault codes including shift quality faults, gear engagement issues, clutch actuator faults, and sensor failures
• Live Data Monitoring: View real-time gear position, clutch wear percentage, transmission oil temperature, input and output shaft speeds, and shift timing data
• Clutch Status: Monitor clutch wear level, touch point position, and clutch engagement parameters to plan maintenance before failure occurs
• mDrive HD: The heavy-duty variant used in vocational applications is also fully supported, including the additional low-speed maneuvering modes used in construction and refuse applications

Mack & Volvo: Shared Platform, Complete Coverage

Because Mack and Volvo share their core engine and transmission technology, shops that service both brands benefit from a single diagnostic investment. The Mack MP8 uses the same ECU architecture as the Volvo D13. The mDrive shares its DNA with the I-Shift. Fault codes, diagnostic procedures, and special functions are nearly identical. If you already know how to diagnose a Volvo VNL, you can diagnose a Mack Anthem with the same tool and the same knowledge.

This platform sharing extends to the aftertreatment system as well. DPF regen procedures, SCR reset processes, and derating recovery steps follow the same workflow on both brands. One ThinkCar scanner, two premium truck brands covered.

Last Updated: March 2026