99 JGCLtd check engine light and transmission jerk solved
 

I own a 99 JGCL V8 4X4, 50000 miles. The Check Engine light
went on and the transmission began to jerk from N to D and from 1st to
2nd gear. The code P0700 indicated transmission control module fault
code.
Replacing both transmission speed sensors fixed the problem. Actually
the input sensor was bad. Part #4799061AB (same for both sensors), cost
$27.50 (36.50 list) + 6.85 S/H from moparparts.com.

Thanks for all help,
Les

Re: 99 JGCLtd check engine light and transmission jerk solved
 

Thanks for the follow-up!

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

plusa wrote:
>
> I own a 99 JGCL V8 4X4, 50000 miles. The Check Engine light
> went on and the transmission began to jerk from N to D and from 1st to
> 2nd gear. The code P0700 indicated transmission control module fault
> code.
> Replacing both transmission speed sensors fixed the problem. Actually
> the input sensor was bad. Part #4799061AB (same for both sensors), cost
> $27.50 (36.50 list) + 6.85 S/H from moparparts.com.
>
> Thanks for all help,
> Les

Re: 99 JGCLtd check engine light and transmission jerk solved
 

Thanks for the follow-up!

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

plusa wrote:
>
> I own a 99 JGCL V8 4X4, 50000 miles. The Check Engine light
> went on and the transmission began to jerk from N to D and from 1st to
> 2nd gear. The code P0700 indicated transmission control module fault
> code.
> Replacing both transmission speed sensors fixed the problem. Actually
> the input sensor was bad. Part #4799061AB (same for both sensors), cost
> $27.50 (36.50 list) + 6.85 S/H from moparparts.com.
>
> Thanks for all help,
> Les

Re: 99 JGCLtd check engine light and transmission jerk solved
 

Thanks for the follow-up!

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

plusa wrote:
>
> I own a 99 JGCL V8 4X4, 50000 miles. The Check Engine light
> went on and the transmission began to jerk from N to D and from 1st to
> 2nd gear. The code P0700 indicated transmission control module fault
> code.
> Replacing both transmission speed sensors fixed the problem. Actually
> the input sensor was bad. Part #4799061AB (same for both sensors), cost
> $27.50 (36.50 list) + 6.85 S/H from moparparts.com.
>
> Thanks for all help,
> Les