Having problems with your 2004 Chrysler Pacifica ?

My 05 Pacifica went into "limp in" mode which means it is stuck in 2nd gear. I took it to AutoZone and put it on the code machine. It pulled up P0700, P0715, P0731 and P0733. I changed out hte Speed Sensor Input and Output and still have the same problems but now it only pulls codes P0700 and P0731. Anyone have any ideas? The speedometer and Tachometer all worked before and after the speed sensor change.

Posted / edited by AnonymousUser on : 18-01-2021

Answers :

Well code 700 is a generic code that means there is a problem with the transmission or the control module. Code 731 is for a problem with first gear which would explain why it stays in second gear.
Someone will need to check the circuits involved with first gear and the trans control module. A shop manual will be necessary to get the testing procedures.
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