Does the ecu on a 1994 jeep wrangler control the transmission shifting
5

Asked by Lee Mar 13, 2022 at 01:24 PM about the 1994 Jeep Wrangler S

Question type: Maintenance & Repair

3 Answers
202,495

Ed92626 answered 2 years ago

Basically, the ECU controls engine functions. The TCU controls a car’s automatic transmission. It gathers information on how fast your vehicle is going and uses that data to determine what gear your car should be in.

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38,945

beatupchevy answered 2 years ago

If there's wires going to the tranny then probably yes , if there's a vacuum hose or linkage then no .That's my take on it .

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307,265

Gene answered 2 years ago

The wiring diagram from the ECM says no electronic connection to the transmission.

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