Auto >> AutoSPT >  >> Electric car

What year computers will interchange with a 94 Jeep Wrangler 4.0?

You can't directly interchange the computer (PCM - Powertrain Control Module) from a modern computer with a 1994 Jeep Wrangler 4.0L. The 1994 Jeep Wrangler 4.0 uses a very different system than modern vehicles. They are not compatible in terms of:

* Protocols: The communication protocols (how the computer talks to sensors and actuators) are vastly different.

* Wiring harnesses: The wiring harness is specific to the 1994 system and won't match a modern computer's needs.

* Sensors: The sensors used on a 1994 Jeep are different from modern vehicles. A modern computer expects different signal types and ranges.

* Software: The software controlling the engine is completely incompatible.

While you can *potentially* find a used PCM from another 1994 (or very close year) 4.0L Jeep Wrangler, using a computer from any other year or vehicle model is highly unlikely to work, and will likely cause serious problems. If your PCM is faulty, you need to find a replacement specifically for a 1994 Jeep Wrangler 4.0L. A reputable parts supplier or salvage yard specializing in Jeeps will be your best bet.

Auto Repair
How do you remove the front clip off a 2000 ford ranger? Where is the neutral safety switch located on your 1999 Ford Taurus?
Car Care
Downsizing Your Car 4 Most common transmission control module symptoms What would it cost to insure a BMW?
Engine
How do you tell if i have a bent frame on my truck? Where is the egr valve on your 1999 dodge Dakota 3.9 engine?
Electric Car
Why does a transmission leak when car is not driven? Where is the power seat fuse for Buick Riviera? Where is the cabin air filter for a 2002 cadillac deville?
Autopilot
How adjust ride sensor on Lincoln mark vii? How will Transit be Impacted by Driverless Cars?
Car Photos
Does the 1999 Buick Regal have a trunk release button inside that is not in glove box? What is the list price for used Mercedes Benz cars? How do you identify the rear end of a 2005 Dodge Ram 1500. Tag says 9.25 and gear ratio is 3.55 but it Dana or Chrysler?