Changed sensor but speedometer still won't work

Had check engine light come on. Ran codes came up with p1692 speedo sensor. Put new sensor and still speedometer will not work. Any suggestions please. I dont want to buy a new pcu unless I have to.

 

Tried that too left barrier unhooked for about a min. This all happened when i put a set of axillary terminals on battery. Right when i started it i had the code and the speedometer stopped working. Bought new sensor and dis every thing I new possible to clear codes. Even have a shop try to clear codes. Could it not be grounding the sensor I mean? I don't want.to by a new pic and then find I have same problem. Where would the sensor ground usually locayed.

 

I believe the sensor grounds out to the Tcase. I am with Chris in that I would reverse the work leading up to the problem and see if that fixes your issues. Check all of your fuses too. You have fuses under the hood on the passenger front fender and you have fuses behind your glove box.

 

Welcome! Completely undo whatever you have done prior to the new issue. Don't jump to conclusion on major stuff just yet.

 

Check all your connections, ground, correct sensor part, etc

 

2004, is that a gear driven speedo or the electronic??? I know they changed right in that time frame.
If it's gear driven are you sure you have the VSS installed correctly? Should be numbers on the VSS to match the tooth count on the gear. Those number should be facing down when installed in the tail cone, if they aren't the gears won't mesh and the speedo won't work..

 

Not gear driven a round sensor in the transfer case but thanks
Still trying to.trace grounds. Just the way it went out when i changed the terminals on the battery makes it sound like.it could be ground issue.

 

Welcome to the forum. I'm lousey at electrical issues. But it looks like your in good hands. I've learned alot from these guys. And still learning from this thread.

 

Thanks I think this is the best way to trouble.shoot anything on a jeep.

 

Does your odometer still work? I had the same code with my speedo going out. Mechanic said that it was not the speed sensor, since the odometer still worked. He said that the speedometer itself went bad and needed to be rebuilt (they don't make replacements anymore) with a total repair cost of about $500.

 

Welcome @corderm . Is your Rubi up and running after paying that bill? Start a new thread to post up a bit about yourself and any upgrades made to your Jeep

 

Manual or automatic?

there are NO other codes? scan and post all

have you run a cluster ck?

you are using a professional scanner?

vehicle is STOCK no added aftermarket BS? just as jeep built it?

disregard.
I see a superchip - good luck.