Had a crank, but no start situation on a 2001 Jeep Cherokee. Wound up changing the CPS, starts and runs fine, has so for a couple of weeks now that I have changed the CPS. New problem is though that it is throwing a P1694 code. Any thoughts?

 

Yeah, good luck. I recently pulled my dash to replace the heater core and upon reconnecting everything Im getting the same code. Apparently the trany isnt communicating with the computer, but really, Ive got two threads going on the subject here and hardly anyone with a response. No response saying the problem is "X". Maybe some dirt, maybe a bad connection, maybe a bad ground, etc. Thats all I can get for answers so good luck. Ill be watching this thread closely.

 

This thread may help:
https://www.cherokeeforum.com/f2/nee...gnosing-37389/

 

I think it is unlikely that replacing the crank sensor is involved in this one. This is probably a new issue.

Follow the information in the link provided by Snidelywhiplash. That is valuable information.

 

The reason I mentioned the CPS is becaue that is the last thing I have done to the Jeep. Wasnt sure if I knocked a wire loose or something somewhere that someone else might have had the same thing happen before.

I did have one guy come to the house back at the beginning of the CPS oddyssey and he had unplugged the harnesses going into the PCM. I'll try and do what the provided link stated to do.

 

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Vehicle » Powertrain Management » Computers and Control Systems » Testing and Inspection » Diagnostic Trouble Code Tests and Associated Procedures » P Code Charts » P1694 » Transmission Code Article View (As Displayed) Complete Article (Print Friendly) Text Only (Print Friendly) Image(s) Only (Print Friendly) 2001 Jeep Truck Cherokee 4WD LHD L6-4.0L VIN S Computers and Control Systems Testing and Inspection, Diagnostic Trouble Code Tests and Associated Procedures: P Code Charts, P1694, Transmission Code

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P1694 - CCD MESSAGE FROM JTEC FAILURE

When Monitored and Set Condition:
P1694 - CCD MESSAGE FROM JTEC FAILURE

When Monitored: Continuously with the key on.

Set Condition: No CCD bus messages or invalid CCD bus messages are received from the PCM for 20 seconds.

POSSIBLE CAUSES:
INTERMITTENT WIRING AND/OR CONNECTORS
CCD BUS (+) CIRCUIT OPEN TO PCM
CCD BUS ( - ) CIRCUIT OPEN TO PCM
TCM - CCD BUS OPEN




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