According to Chrysler, all these transmissions issues are due to software anomalies in the PCM. Reprogramming the module with updated calibration files is the only surefire remedy. Check with a dealer ...
Some 2008-10 Chrysler Sebring and Dodge Avenger models with 2.4-liter engines and four-speed automatics may illuminate the check engine light and store trouble code P2270 (post-cat oxygen sensor ...