The transaxle Control Module (TCM) monitors the malfunction of sensors and actuators relating to transaxle control. When the TCM detects a malfunction with the control, a signal is send to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 code and it means the TCM detected a malfunction with the transaxle controls
Read more: https://www.autocodes.com/p0700_chrysler.html
Year? engine? po700 usually has something to do with tranny
Testimonial: "ty You are right although it was the o2 sensor..thank goodness!"
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