Question about 2001 Chrysler PT Cruiser
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Posted on Jan 02, 2017
Here is my "take" on the P1698 code:
The P1698 code means that no digital data is being received by the powertrain controller from the transmission control module, located on the right inner fender. The manual says to check the ccd bus wires between the module and the rest of the system using the Chrysler diagnostic readout box. But if you don't have one then I think you can do the same thing by measuring for continuity (near 0 resistance) between pin 4 of its plug and pin 11 of the data link plug under the dash or pin 59 of the powertrain controller plug.
Then check the resistance between pin 43 if its plug and pin 3 of the data link connector or pin 60 of the powertrain controller plug. The powertrain controller is on the opposite side of the engine compartment on the left inner fender. These module plugs are held in place by a bolt. If the continuity between the transmission and the powertrain CCD wires checks to be ok, then according to the manual the trans controller should be replaced. You may be smart however to find an honest shop that has a code reader and let them determine for sure that it is the TCM and not the Powertrain control module (PCM) that is the fault. These modules are expensive enough that you would not want to replace the wrong one.
The other symptoms (1-3) are likely related to the problem because they are also dependent on the digital data communication bus for getting their instructions or sending their information. The passenger side window is probably not related to this, but rather a failed connection, switch or motor.
Posted on May 01, 2009
SOURCE: how to fix code p1698
off the top of my head I am not sure w\hat exactly that code is although I do now it sound familiar. Most code tat are p one codes are usually more of an electrical problem or even a sensor. For that code all I can say right now is possibly a speed sensor issue or wiring
Posted on Jul 07, 2008
The 1698 code can be very difficult. It means that your Transmission control module is not communicating with the powertrain control module. The inst. cluster also uses a twisted pair to communicate. So it could be bad wiring, bad pcm, or bad tcm. My hypotisis would be the pcm but need a good scan tool and ohm meter to make sure.
Posted on Mar 30, 2010
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