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Posted August 14, 2026

Diagnostic Technician -Heavy-duty truck engines

La Carcacha Electric Truck Repair I
Rancho Cucamonga, CA, US Full Time
25USD - 30USD per hour

Job Description

Job Description

Looking for a truck diagnostic technician that lists core tasks like using computer scanners, checking electrical systems, and fixing heavy-duty truck engines.

Key Duties

  • Run computer tests on truck systems.
  • Find issues with engines, brakes, and electrical parts.
  • Read error codes from truck computers.
  • Use special diagnostic tools and multi-meters.
  • Write down all work and parts used.
  • Clear trucks to go back on the road safely.

Skills Needed

  • Know how to use heavy-duty truck software.
  • Understand diesel engines and wiring.
  • Read technical manuals and wiring diagrams.
  • Solve hard mechanical problems fast.
  • Pay close attention to detail.

Requirements

  • High school diploma or GED.
  • Trade school or diesel tech degree preferred.
  • ASE certifications are a big plus.
  • At least 2 years of hands-on truck repair experience.
  • Valid driver's license and clean record.

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