Where is the TCU located on my 88 cherokee?

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Jan 22, 2011 | 01:15 PM

DaveVmax

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CF Veteran

Joined: Nov 2010

Posts: 1,771

Likes: 1

From: Georgetown, ON

Year: 1998

Model: Cherokee

Engine: 4L

Where is the TCU located on my 88 cherokee?

i changed out my TPS and adjusted the input/output accordingly but im still having the trans stick in a gear and not shifting once in a while

my input voltage was a little low 4.55 instead of the regular 5?? is that ok?

i figured id check out the TCU for bad grounds or something.

Jan 22, 2011 | 01:48 PM

caged

CF Veteran

Joined: Nov 2008

Posts: 7,874

Likes: 100

From: Northern Ontario, Canada

Year: 1990, 1999, 2000

Model: Cherokee

Engine: 4.0

tcu is located on the back side of the knee panel on the drivers side.

Jan 22, 2011 | 02:15 PM

89Laredo

CF Veteran

Joined: May 2009

Posts: 10,438

Likes: 73

Year: 2000

Model: Cherokee (XJ)

Engine: 4.0

^passengers side...

Jan 22, 2011 | 03:34 PM

freegdr

CF Veteran

Joined: Mar 2010

Posts: 47,923

Likes: 38

From: Broward County Fl.

Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

Quote:

Originally Posted by Defiance665

^passengers side...

x2 the one on drivers is the ecm

Jan 22, 2011 | 04:48 PM

caged

CF Veteran

Joined: Nov 2008

Posts: 7,874

Likes: 100

From: Northern Ontario, Canada

Year: 1990, 1999, 2000

Model: Cherokee

Engine: 4.0

doh, i can't believe i typed drivers side. lol.

there goes my credibility. haha

Jan 22, 2011 | 05:05 PM

peep

CF Veteran

Joined: Oct 2010

Posts: 2,150

Likes: 12

From: Ontario, Canada

Year: 1989 Laredo

Model: Cherokee

Engine: 4.0 L 6 Renix

Caged, your credibility is always strong with me.
I just got back from drive and from the noise and nonsense I was sure the driver must be sitting in the back seat, inlaws eh, lolol
DaveV, which year Cherokee is your trans module suspect on? I have a spare for and AW4 if you need.
Which gear is long shift, or is that variable.
Last time trans fluid and filter changed? Is there a trans power switch on your dash activating and raising the shift points?
Does it act same cold and warmed up?