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Auto Electrical & Vehicle Diagnostics

Total Mobile Mechanical Services provides professional auto electrical diagnostics and vehicle fault finding for cars, 4WDs, trucks, and fleet vehicles across Central Queensland. Operating from our fully equipped Calliope-based workshop, we specialise in identifying complex electrical and electronic faults accurately, reducing unnecessary parts replacement and downtime.

This service is designed for modern vehicles where faults are no longer purely mechanical and require advanced diagnostic equipment, technical experience, and structured testing processes. Learn more about our primary workshop location on our Mechanic Calliope page.

Auto Electrical Fault Finding & Diagnostics

Electrical issues can be intermittent, misleading, and difficult to diagnose without the correct tools and experience. Our team carries out systematic auto electrical diagnostics to identify root causes rather than guessing or replacing parts unnecessarily.

  • Battery, starter motor, and alternator testing
  • Charging system and voltage drop testing
  • Wiring faults, shorts, and circuit testing
  • Lighting, accessories, and trailer wiring faults
  • Sensor and actuator testing

Advanced Vehicle Diagnostics & Fault Code Analysis

We use advanced scan tools and diagnostic equipment to assess faults across engine, transmission, body, and chassis systems. This allows us to diagnose issues related to warning lights, drivability problems, and communication faults between control modules.

  • Check engine light and warning light diagnostics
  • Fault code interpretation and live data analysis
  • CANBUS and module communication faults
  • Intermittent and repeat electrical faults
  • Pre-repair diagnostic reports and fault confirmation

Auto Electrical Services for Cars, 4WDs, Trucks & Fleets

Our diagnostic and auto electrical services support a wide range of vehicles and applications, including:

  • Passenger vehicles and 4WDs
  • Light commercial vehicles and work utes
  • Trucks and heavy vehicles
  • Fleet and commercial vehicles
  • Breakdown and roadside fault assessment

Where faults cannot be safely rectified on-site, vehicles are supported back to our Calliope mechanical workshop for further testing and repair.

Why Accurate Diagnostics Matter

Modern vehicles rely heavily on electronic systems. Incorrect diagnosis can lead to repeated failures, unnecessary costs, and extended downtime. Our diagnostic process focuses on:

  • Identifying the root cause of faults
  • Confirming failures before parts replacement
  • Reducing repeat repairs and comebacks
  • Providing clear repair recommendations

Supporting Breakdowns, Fleets & After-Hours Repairs

We support vehicle breakdowns, fleet diagnostics, and time-critical electrical issues across Gladstone, Calliope, and Central Queensland. With 24-hour availability by arrangement, we assist with urgent fault finding and breakdown diagnostics where uptime is critical.

Why Choose Total Mobile Mechanical Services

  • Over 25 years of mechanical and diesel experience
  • Advanced diagnostic and auto electrical capability
  • Qualified technicians for light and heavy vehicles
  • Workshop-based diagnostics with mobile support
  • Trusted by private, commercial, and fleet customers

If you are experiencing electrical faults, warning lights, or ongoing vehicle issues, Total Mobile Mechanical Services provides reliable auto electrical diagnostics and vehicle fault finding you can trust.

Get in touch

Please contact us and our friendly team will get back to you.