Volvo Trucksrepair & diagnostics
Volvo VNL and VNR series tractors run Volvo's own D13 and D16 engines with heavy aftertreatment systems. We diagnose Volvo-specific fault codes, force parked regens, and clear SCR/DEF derates — plus I-Shift automated manual transmission faults — across our Colorado, Wyoming, and Texas shops.
Shop & mobile service for Volvo Trucks
Connect the right laptop, pull active and inactive codes, and read live data before recommending parts.
Forced (parked) regens, SCR/DEF dosing faults, NOx sensor diagnosis, and derate clearing.
Slack adjusters, chambers, relay valves, drums, linings, and ABS blink-code reading.
Alternators, batteries, parasitic draws, 7-way, and crank/no-start diagnosis.
Air ride ride height, air bags, leveling valves, and walking-beam service.
Preventative maintenance A/B/C and annual DOT inspections that leave you compliant.
Commercial tire sales, mounting, balancing, wheel seals, bearings, and hubs.
Lights, brakes, suspension, landing gear, doors, and reefer refrigeration troubleshooting.
The faults we see most
DPF soot overload, SCR dosing faults, and NOx sensor mismatches that trigger 5 mph inducement.
Gear-learn faults, clutch calibration, and sensor-related shifting issues on Volvo's automated manual.
EGT sensors, differential pressure sensors, or a doser that won't fire block the regen cycle.
Volvo Trucks engine platforms
We connect the right diagnostic laptop for each engine platform Volvo Trucks runs, pull the fault codes, and read live data before recommending a single part. Below are the engines we service on Volvo Trucks.
Read the diagnostic path
MTG Shops does not perform engine overhauls or major component rebuilds in-house. We have quality partners in every market who specialize in Volvo Trucks overhauls and in-frame / out-of-frame rebuilds. We handle the diagnosis, get the truck to the right specialist, and coordinate the handoff. You get an honest answer about what we fix and what goes to a trusted partner.
Get a bay time and a straight estimate.