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A340, A341, A343, AW4 | TransGo Reprogramming Kit with Gear Command

This TransGo 340-HD2 Reprogramming Kit is designed for 1985 and newer Toyota, Lexus, Isuzu, Mitsubishi, Hyundai, Kia, and Jeep vehicles equipped with A340, A341, A343, and AW4 series automatic transmissions. The kit recalibrates accumulators, feed orifices, and pressure regulation for improved clutch plate durability and short, firm shifts, making it ideal for hot rods and work trucks. It also includes a drop-in USA-made hardened steel TCC relay boost valve and bushing, which restore hydraulic circuit integrity and provide a durable replacement for the OEM assembly. The kit can be installed with the transmission in the vehicle, and offers enhanced control, including an optional low hold 1-2 shift valve for maintaining low gear.

TransGo

A340, A341, A343, AW4 | TransGo Reprogramming Kit with Gear Command

340-HD2

£103.11 ex VAT
£103.11
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Taxes & Shipping calculated at checkout.

Provide your VIN at checkout and we'll verify this part fits your specific vehicle before shipping.

Comparison Numbers

340-HD2

Specs

This TransGo Reprogramming Kit comes with everything you need to recalibrate the accumulators, feed orifices as well as pressure regulation for street, strip and off road. The resulting increases clutch plate durability and produces short-firm shifts that are perfect for hot rods as well as work trucks. In addition, when using the included optional low hold 1-2 shift valve, the transmission will stay in low gear with lever in manual low position.

The kit also includes a drop-in USA-made hardened steel TCC relay boost valve and bushing that restores the hydraulic circuit integrity for all type two, three and four valve bodies except some Lexus models. This hardened steel boost valve and bushing assembly provides you with a durable direct replacement for the soft aluminum OEM assembly that is prone to wear. The kit can also be installed with the transmission in vehicle.

Corrects/Prevents/Reduces:
Soft shifts
Burnt clutch plates in hot rod and work truck application
TCC slip and overheating on type two, three and four valve bodies due to wear at the lock-up relay valve

Includes:
-USA-made hardened steel TCC relay boost valve and bushing
-Blue pressure regulator valve spring
-Orange pressure regulator valve spring and washer
USA-made hardened steel 1-2 shift valve, ball, pin and rivet
-Red cut back valve spring
-Blue cut back valve spring
-White cut back valve spring
-Short accumulator spacer
-Medium accumulator spacer
-Long accumulator spacer
-(2) Blue accumulator springs
-Orange accumulator spring
-White accumulator spring
-Red accumulator spring
-Plain accumulator spring
-(5) Drill bits
-TransGo sticker

Vehicles

For the Following Vehicles:

Toyota, Lexus, Isuzu, Mitsubishi, Hyundai, Kia and Jeep vehicles equipped with the A340, A341, A343 and AW4 series automatic transmissions.

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