Ecu

Post by **showtime3492** » August 19th, 2012, 12:24 pm

I can't believe I'm asking this but I never really considered to give it any thought.. but here it is where is the Ecu on a 2000 xj? Is it behind the dash?

Post by **SilverXJ** » August 19th, 2012, 4:24 pm

Lol. Its to the left of the air box on the fender.

Post by **showtime3492** » August 20th, 2012, 11:38 am

SilverXJ wrote:Lol. Its to the left of the air box on the fender.

I thought that was the pcm?

. Oh my

Post by **SilverXJ** » August 20th, 2012, 12:49 pm

PCM= Powertrain Control Module
ECU = Engine Control Unit

Post by **showtime3492** » August 20th, 2012, 1:37 pm

SilverXJ wrote:PCM= Powertrain Control Module
ECU = Engine Control Unit

To put my mind at ease where then is the pcm

Post by **SilverXJ** » August 20th, 2012, 4:04 pm

They are the same. Chrysler calls it a PCM. Its on the drivers side inner fender next to the air box. The XJ has only one other control module, that would be the TCM (transmission control module) and that is under the driver's side dash on the right.

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