Car Problem Reports

Chrysler Pacifica Software Updates For Powertrain Control Module to Address Erroneous CEL

Chrysler Pacifica Problem
11 Reports
Me Too

Model Years Affected: 2004, 2005, 2007, 2008

Average Mileage: 110,320 mi (64,000 mi - 145,000 mi)


"False" trouble codes may cause erroneous illumination of the Check Engine Light. Updating the PCM software can often correct this concern.

  • Visitor, , 99,000 mi

    check engine lite comes on

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  •  Rookie

    secondary fuel module replaced, light remains on

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  • Visitor, , 145,000 mi

    engine light comes on and goes off all the time.sure the loose gas cap cousin throwing me that my catalytic converter is bad. and o2 sensors both of them. then it goes off for a long time then comes on and goes back off. I've had it since December of 2013. it better pass emissions this year. I log on my own maintenance take very good care of it and document all of it. the motor runs great. quiet and clean room the synthetic blend every four thousand miles. take care of brakes tires Ect. but engine light trips me out don't know what to think. don't know if I really have a problem or not

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