Checking Jeeps Computer

Reply Subscribe

Thread Tools

Search this Thread

Jun 24, 2010 | 11:59 PM

Cherokee_Laredo

Thread Starter

Seasoned Member

Joined: Apr 2010

Posts: 415

Likes: 1

From: New Alexandria, PA

Year: 1991

Model: Cherokee

Engine: 4.0 Litre HIGH OUTPUT

Checking Jeeps Computer

Will these work on older veichles?
Actron CP9125 PocketScan Code Reader
Amazon.com: Actron CP9125 PocketScan Code Reader: Automotive

Amazon.com: Actron CP9125 PocketScan Code Reader: Automotive
I have a 1991 Jeep Cherokee XJ Laredo and The mait Req light comes on and went to Advance and AutoZone and they don't have the car check for older veichles anymore.

Has Mait Req Light on and Check Anti Lock Light on.

Jun 25, 2010 | 08:54 AM

DaveD

Seasoned Member

Joined: Nov 2009

Posts: 301

Likes: 0

From: NJ

Year: 1999 sport 4x4

Model: Cherokee

Engine: 4.0L

I have the higher end one from autone made by actron and use it on my 99...nice little pc of equipment, gets me out of a jam...the quality is very good.

Jun 26, 2010 | 02:03 AM

quakerjakes

Newbie

Joined: Jun 2010

Posts: 1

Likes: 0

Model: Cherokee

Trouble Codes

The older jeeps flash the code and can be decoded visually and looked up online

http://www.jeephorizons.com/tech/yj_codes.html

Hope it helps!

Jun 26, 2010 | 08:06 AM

SeriousOffroad

CF Veteran

Joined: Apr 2008

Posts: 13,952

Likes: 17

Model: Cherokee

http://www.go.jeep-xj.info/HowtoECUcodes.htm

The Maintenance Required Light is set by vehicle milage and is there to force you into the dealership to replace your O2 Sensor....nothing more. Pull the bulb.