Seminars

Level Up Your Shop in 2026 with ATRA's Regional Training Seminars!

Get ready for the most comprehensive technical training event of the year! The 2026 Automatic Transmission Rebuilders Association (ATRA) Regional Training Seminars are here to equip your technicians with the latest diagnostic strategies and rebuild solutions.

Whether you are dealing with modern dual-clutch systems, hybrid drive electronics, or the latest 10-speed units, our training manual and seminars have you covered.

Master General Diagnostics

Our General Diagnostic section tackles the complex foundational issues that hit your bays every day.

• Learn effective strategies for diagnosing parasitic Battery Drain.
• Demystify pending, confirmed, and permanent OBD II DTCs.
• Understand the basic operation of modern BUS Systems.
• Master the basics and component descriptions of the Nissan AWD System.
• Diagnose GM and Ford TCC concerns, including shudder, slip, low cooler flow, and transmission overheating.
• Solve harsh 3-4 or 4-3 clunks, grinding, and vibration in the GM Transfer Case 3023/3024 NQH.

Deep Dive into Domestic Units

Stay ahead of the curve with in-depth breakdowns, fixes, and updates for the big three domestic manufacturers:

General Motors Solutions

• Overcome the frustrating "No Forward After Valve Body Repair" condition in the 6L80 and 6L90.
• Diagnose pump noise, gear damage, and software rejection of Valve Body Part Unique Numbers (PUN) in the 10L60, 10L80, and 10L90.
• Understand stator and input shaft changes, as well as 1-2-3-4-5-Rev (C2) clutch failures, in the 8L45 and 8L90.
• Address 9T Series case wear and issues involving no reverse, 5th, or 7th gear.

Ford Fixes

• Navigate the new Park-By-Wire introductions and output planetary updates for the 8F35.
• Identify and correct erratic shifting and aluminum debris in 10R60 and 10R80 pans.
• Learn proper identification of the 10R80 CDF Clutch Drum.
• Solve "Slips on 3-4 shift" and missing higher gears in the 6R80.

Chrysler & ZF Masterclass

• Tackle DTC P0933 after rebuilds or valve body service in 66RFE and 68RFE units.
• Master transmission adaptions for the ZF8, 845RE, 850RE, and 948TE.
• Solve "Stuck in Park" (DTC P0810) and "No 8th or 9th Gear Command" issues for the 948TE and ZF9HP48.
• Address severe binds in forward and reverse in the 68RFE.

Import & Hybrid Expertise

Don't turn away lucrative import and hybrid work.

• Get a complete introduction to the Toyota ECVT, including its Nine Modes of Operation, Relearn and Reset Procedures, Motor Generators 1 & 2, and the Hybrid Drive System Design.
• Gain essential rebuild tips for the Nissan CVT RE0F10J.
• Discover solutions for Mercedes 7G-DCT (724.004) park release issues and AWD binding on 722.9 models.
• Get introduced to Hyundai and Kia dual-clutch systems like the D7UF1 and D7GF1.
• Solve speedometers bouncing at a stop with codes in the A6MF1 and A6MF2.

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Invest in Your Shop's Future.

Join us at an upcoming 2026 ATRA Regional Training Seminar and ensure your technicians are ready for whatever rolls through the door!

Stay tuned for news about 2026

UPCOMING SEMINAR DATES