Powertrain Repair in SeaTac WA
PM Truck Services offers mobile diagnostics in SeaTac, Washington and the surrounding communities when engine or driveline issues affect your truck. Our technicians examine engine, driveline and rear-end concerns, as well as electrical, cooling and computer issues that may reduce or stop the truck’s power. Before recommending any work, we identify the system that has failed. When the problem can be safely handled at your place, you will receive roadside assistance, advice, and explanations.

Mobile Powertrain Repair for Commercial Trucks
PM Truck Services Inc. is a SeaTac-based mobile repair service with over 20 years’ experience in working on trailers and trucks. Our technicians can diagnose problems with the engine, driveline, and rear-end, as well as electrical, cooling systems, DPF, or ABS. As a fully equipped semi truck repair shop on wheels, our service area includes drivers, fleets, and owner-operators within 50 miles of SeaTac, including Auburn, Issaquah, North Bend, Edmonds, and Lynnwood. Our team provides 24/7 support, so call us if your truck is experiencing power loss, driveline symptoms, or warning codes.
Diagnosis is the first step in proper powertrain system repair
Tests for Powertrain Repair and Maintenance Based on System Testing
Powertrain systems create and manage power from the engine to drive wheels. The performance of the engine, electronic controls, and driveline components can all affect how well a truck or commercial vehicle runs. As a dedicated motor coach repair specialist, our technicians begin with a visual check, then move on to computer diagnosis if fault data is readily available. The powertrain is maintained and repaired using this systematic approach, without the assumption that every power loss comes strictly from an engine.


Tests are the first step in repairing powertrain control modules
Sometimes, electronic faults may appear to be mechanical failures. Powertrain control module repairs begin by completing a proper diagnosis, checking fault codes and wiring, as well as evaluating the system. The control module is not assumed to be faulty just because a warning occurs. Whether you are scheduled at our shop or require emergency roadside truck and trailer repair, we will explain clearly if the testing indicates that an electronic component or controller requires specialized work offsite. You can make your next decision based on evidence, not guesswork. Our goal is to identify the actual cause of the problem before recommending any repair. This approach helps avoid unnecessary part replacement and keeps your vehicle repair focused and cost-effective.
Professional Powertrain Repair Services Offer Many Benefits
Mobile Diagnosis
Powertrain diagnostics can be performed on your vehicle using mobile diagnostics.
Test Your System
The system testing can help to prevent the needless replacement of parts.
Driveline Knowledge
Experience with engines and drivelines supports the evaluation of powertrain problems.
Computer Diagnostics
The computer diagnostics helps interpret the warning codes and symptoms.
Powertrain Service with Clear Diagnostic Information
Diagnose first
Diagnose complex symptoms related to the powertrain before we recommend repairs.
Mobile Support
Your commercial vehicle can be fixed quickly and easily with mobile service.
System Experience
Experience with engine, driveline and electrical systems, as well as computer expertise, helps diagnose connected systems more accurately.
Honest Scope
If you need more service, we will explain if roadside works are necessary.
Local coverage
Our service area includes SeaTac, Washington and the surrounding communities.
Evidence-Based Repair
Repair decisions will be based upon symptoms, tests, safety and the actual condition of components found.