99 WJ Transmission Shift Issue - JeepForum.com
 
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post #1 of 8 Old 10-06-2021, 08:41 AM Thread Starter
metal4fun
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99 WJ Transmission Shift Issue

I finally got my WJ back on the road after sitting since 2016 and am experiencing that the transmission likes to stick in 2nd gear now. The speedometer is also jumping and is inaccurate. I never had any shifting problems before it sat so I'm assuming it's a sensor or it just needs a good old fluid and filter swap. I started with the simplest fix and replaced the Transmission Speed Sensor, which did not fix the issue. I was thinking maybe the TPS next? The Tranny is a 42RE

Side note: I can get it to shift out of 2nd after it's been running a while and I goose the engine

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post #2 of 8 Old 10-06-2021, 11:26 AM
jtec
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Scan for codes at very least try to get codes using key trick. Even if CEL is off. Post all codes.
You did check fluid level?

Is the airbag or ABS light on?

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #3 of 8 Old 10-06-2021, 01:31 PM Thread Starter
metal4fun
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I scanned for codes and did the key trick. Nothing comes up and key just displays "done". Fluid levels are good but the ABS light is on. It goes on and off while driving so i suspect dirty wheel sensor
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post #4 of 8 Old 10-06-2021, 02:01 PM
jtec
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The ABS sensors are used for speedo. Might want to get an ABS capable scanner to access ABS codes.

The trans fluid and filter is good idea. Look for debris in pan. Also ck TV cable adjustment.

GTG

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #5 of 8 Old 10-07-2021, 10:10 AM Thread Starter
metal4fun
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metal4fun

Good advice! I'll check the TV cable today. Any suggestions on a good ABS scanner? I already wasted money on a Foxwell NT630 Plus and it won't cooperate with the ABS on the WJ. After inputting the VIN manually it says I need a Chrysler CCD Connector in order to operate and Foxwell tech support says that they don't offer one. Genius! right? I'm planning on doing the fluid change this weekend as well as filter, solenoid, and spring while I'm in there. I'll post updates after completion
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post #6 of 8 Old 10-07-2021, 10:11 AM Thread Starter
metal4fun
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Good advice! I'll check the TV cable today. Any suggestions on a good ABS scanner? I already wasted money on a Foxwell NT630 Plus and it won't cooperate with the ABS on the WJ. After inputting the VIN manually it says I need a Chrysler CCD Connector in order to operate and Foxwell tech support says that they don't offer one. Genius! right? I'm planning on doing the fluid change this weekend as well as filter, solenoid, and spring while I'm in there. I'll post updates after completion
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post #7 of 8 Old 10-07-2021, 10:30 AM
AVR2
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Quote:
Originally Posted by metal4fun View Post
After inputting the VIN manually it says I need a Chrysler CCD Connector in order to operate and Foxwell tech support says that they don't offer one
That doesn't sound right at all. The Foxwell seems to be interpreting your VIN wrongly. WJs don't use CCD and have never had CCD connectors, they use PCI, which is accessed through the OBD2 port.

You can access the ABS with a Bluetooth or wireless OBD2 dongle and a smartphone. Something's definitely up with your Foxwell.
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post #8 of 8 Old 10-13-2021, 09:41 AM Thread Starter
metal4fun
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Update: I have adjusted the Throttle Cable and still am having issues going from 2nd to 3rd. The shift from 1st to 2nd however, is much smoother. I went ahead and swapped the TPS sensor which ultimately did nothing except give me a chance to pull the throttle valve assembly and clean it. I'm still awaiting on parts to arrive to drop the pan and change solenoid, spring, and filter. I decided to go with OEM Mopar parts rather than just going down to Autozone so the shipping is taking a while. I'll update when it's done
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