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T0 98-01 owners. Reading codes w/o code reader device.

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Old Oct 27, 2012 | 08:10 AM
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Rockville's Avatar
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Default T0 98-01 owners. Reading codes w/o code reader device.
I found instructions in 99 FSM "Body diagnostic prosedures" how to read codes. I couldn't see codes on my 99 and 00. Try and let us know.
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Last edited by Rockville; Oct 27, 2012 at 09:00 AM.
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Old Oct 27, 2012 | 08:27 AM
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From: Ronceverte WV
Year: 1998
Model: Cherokee
Engine: 4.0 I6
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It's always been my understanding that you couldn't read codes for those years without a reader.
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Old Oct 27, 2012 | 08:52 AM
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From: Oklahoma City, OK
Year: 2001
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I have tried that procedure, without success, many times with my 2001.
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Old Oct 27, 2012 | 09:22 AM
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I tried that a while ago.

It just did a fancy light show and went back to normal. Never showed or flashed any codes.

On a 99 btw.
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Old Oct 27, 2012 | 11:13 AM
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Originally Posted by DieselD
I tried that a while ago.

It just did a fancy light show and went back to normal. Never showed or flashed any codes.

On a 99 btw.
That was instrument cluster check.
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Old Oct 27, 2012 | 11:17 AM
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From: Gainesville GA
Year: 1999
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On my '97 TJ,you could check the codes this way.
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Old Oct 27, 2012 | 11:25 AM
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Originally Posted by Big David
On my '97 TJ,you could check the codes this way.
Do you see check engine light blinking? That is what 97 XJs do.
On 99 code should be on odometer display, according to manual.
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