At Detroit Diesel Specialists, our trained technicians understand the complexity of the DT12 transmission inside and out. From diagnostics to repairs and rebuilds, we offer precise service that gets your truck shifting right and back on the road fast. If you are experiencing jerky gear changes, warning lights, or hesitation, then get your vehicle inspected. Call our certified experts to get your vehicle diagnosed, repaired, and maintained.
TheDT12 transmission is a highly advanced AMT built for performance, fuel efficiency, and low driver fatigue. But like any high-tech system, it needs proper calibration, regular service, and skilled handling to perform at its best.
Common DT12 issues include:
These problems aren't just annoying—they can lead to costly repairs or unexpected downtime. That's why proper DT12 maintenance is critical.
DT12 Transmission Diagnostics
We run advanced software to read fault codes, sensor data, and shifting performance, pinpointing issues faster and more accurately.
Preventive DT12 Maintenance
From fluid changes and clutch calibration to electrical checks, we offer scheduled maintenance that helps you avoid breakdowns and expensive replacements.
DT12 Repair & Component Replacement
Whether it's a failed clutch actuator, worn sensors, or a full Detroit Diesel DT12 rebuild, we have the tools and experience to repair the issue with OEM-quality parts.
Transmission Software Updates
Many DT12 issues stem from outdated software. We'll ensure your system is running the latest version for optimal shifting and performance.
Not sure if it's time to get your DT12 checked out? Look for:
If you're noticing any of these, it's best to bring your truck in for a full DT12 inspection, Call us today to schedule your service.
Can you repair or rebuild a DT12 transmission on-site?
Yes! We handle diagnostics, repairs, rebuilds, and even full remanufacturing right in our shop using genuine DT12 parts.
What's the difference between rebuilding and remanufacturing a DT12?
Rebuilding fixes worn or damaged parts; remanufacturing takes it further by restoring everything to factory standards.
Do DT12 transmissions require special fluids?
Yes, DT12 systems use specific transmission fluids. Using the wrong type can lead to performance issues or damage.
How often should I service my DT12 transmission?
We recommend servicing every 150,000 to 200,000 km or sooner if you notice shifting issues or error codes.
