Job Details

GM Master Technician Job Description

A GM Master Technician is a highly skilled automotive professional who specializes in diagnosing, repairing, and maintaining General Motors (GM) vehicles to GM's exact standards. This role requires extensive training, certification, and hands-on experience, and is often a career milestone in GM's Certified Service Technician path.

Role Overview

GM Master Technicians are responsible for:

• Performing advanced diagnostics and repairs on complex GM vehicles, including engines, transmissions, electrical systems, brakes, steering, and HVAC.
• Ensuring repairs meet GM's quality and safety standards using the latest diagnostic tools and technology.
• Maintaining and servicing engine performance, electrical/electronics, and drivetrain systems GM Service Technical College.
• Mentoring and training junior technicians to improve shop performance and customer satisfaction.

Certification & Training

• Achieved through GM Automotive Service Educational Program (ASEP) or GM Service Technical College (STC) training.
• Requires completing Master Technician Certification (MTC) in select mechanical or body areas, often alongside ASE certifications GM Service Technical College.
• Must maintain 100% Service Technical Standards (STS) annually to retain certification GM Service Technical College.

Key Responsibilities

• Conduct comprehensive vehicle inspections and identify root causes of complex issues.
• Use advanced diagnostic scanners, oscilloscopes, and proprietary GM tools.
• Perform quality control checks and ensure compliance with safety and emissions regulations.
• Lead repair workflows and assist in shop operations, including foreman duties in some roles.
• Stay updated on new GM technologies, including hybrid and electric vehicle systems.

Skills & Competencies

• Advanced diagnostics and computer-aided repair techniques.
• Expertise in engine performance, diesel engine performance, transmission servicing, and electrical systems.
• Proficiency in ECU programming and vehicle software updates.
• Strong problem-solving, attention to detail, and communication skills.
• Ability to mentor and train other technicians.