DPF, DEF, SCR &
derate problems
Failed regens, aftertreatment warnings and reduced power. We troubleshoot and repair DPF, DEF, SCR and EGR faults.
(213) 298-7447 
24/7 MOBILE & ROADSIDE · SANTA CLARITA · I-5
Let’s find out why and get you moving again.
24/7 mobile & roadside repair for semi trucks of all makes — at a yard, a lot or the I-5 / Hwy 14 shoulder.
Open 24/7. All makes & models. Mobile & roadside — we come to you.
WE WORK ON ALL
MAKES & MODELS
01 / WHAT WE DO
A fault code is a starting point. We trace the problem, explain what your truck needs and do the repair to get it moving again.
Failed regens, aftertreatment warnings and reduced power. We troubleshoot and repair DPF, DEF, SCR and EGR faults.
Intermittent faults, wiring and sensor issues, communication problems and loss of power. We follow the evidence to the cause and fix it.
Software updates, module programming, parameter changes and calibrations. Call with your VIN to confirm support.
02 / THE APPROACH
Speak directly with Alex. Explain what happened, get a clear assessment, and decide the next step with the person working on your truck. No call center, no runaround.
Let’s talk about your truckSend the location, symptoms and fault codes. Arrival time and cost are confirmed before dispatch.
Live data and system checks guide the diagnosis, rather than a parts list based on codes alone.
We repair it on site. If a job is beyond what we can do there, we hand it to a trusted partner.
03 / WHERE WE WORK
24/7 mobile & roadside service, including the I-5 and Hwy 14 shoulder. We go anywhere. Travel fee may apply outside our main area.
Check your locationMobile & roadside service only. No walk-in repair shop.
04 / FOR DISPATCHERS & FLEET MANAGERS
You don’t need to be beside it to get started. Send the truck’s location, unit details, symptoms and the driver’s contact information. We’ll confirm arrival time and scope before the visit.
Email a service request05 / BEFORE YOU CALL
We work 24/7, day or night. Arrival depends on the current schedule and your location. Call to confirm an arrival estimate before planning around a visit.
Call with the truck’s location and symptoms. Diagnostic scope and travel charges are discussed before dispatch; a travel fee may apply outside our main area. We accept Zelle or Comchek / EFS checks.
Most jobs, yes — anything needed to get the truck moving again, except tires and wheels. If a job is beyond our capacity, we hand it to a trusted partner.
All makes and models: Freightliner, Volvo, Kenworth, Peterbilt, International, Mack and more.
Yes — call with your VIN, engine and the module or programming task involved so we can check support before scheduling.
LET’S GET THE FACTS.