Transmission Diagnostics2026-06-03T11:22:48-04:00

Welcome to Jennings Transmissions

Transmission Diagnostics

Transmission diagnostics at Jennings Transmissions, Inc. involves using advanced scanning tools and hands‑on testing to pinpoint issues inside the transmission or its electronic controls. Their technicians analyze fault codes, sensor data, and drivability symptoms to identify the exact cause of shifting problems, slipping, or performance loss — ensuring repairs are accurate the first time.

We Shine Brighter

We Shine Brighter

We are dedicated to producing the highest quality remanufactured transmissions in the world at a competitive price with the best warranty in the business.

Certified Transmission Engineers

Unlimited Mile Warranty

Frequently asked questions.

If you have questions, we have answers.

How quickly can I get a remanufactured transmission?2026-06-01T20:30:21-04:00

Most transmissions are in stock and ready to ship, and Jennings can fill the majority of orders within seven business days. We also offer full in‑house installation for customers who want the complete job handled start to finish.

What makes your remanufactured transmissions different from rebuilt units?2026-06-01T20:30:56-04:00

Jennings remanufactures every transmission under strict OEM‑quality standards. Units are fully disassembled, cleaned, hand‑inspected, updated with OEM bulletins, built with new premium components, pressure‑tested, and dyno‑tested before leaving the facility.

Do your transmissions come with a warranty?2026-06-01T20:31:45-04:00

Yes — Jennings offers an Unlimited Mile Warranty on their remanufactured transmissions, giving customers long‑term confidence and national protection through ATRA.

60+

Years of experience

40

Amazing employees

$20m

Dollars saved

40k+

Reman’ed Transmissions

01

Diagnostic service

Do you need to know the exact problem you’re having?

02

Repair service

If your transmission isn’t working, we’ll get it fixed.

03

Reman service

When repairs aren’t possible, we’ll remanufacture your transmission.

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