The Check Engine Light may Illuminate Erroneously on Chrysler PT Cruiser

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

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Average mileage: 94,328 (25,000–236,000)
7 model years affected: 2002, 2003, 2004, 2005, more2006, 2007, 2008
23 people reported this problem
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Viewing 1 - 13 of 13 problem details
2003 Chrysler PT Cruiser 85,900 mi,
engine light keeps coming on after replacing parts
2005 Chrysler PT Cruiser 110,000 mi,
car intermittently runs rough then fine for days several sensors were replaced but same problem
2005 Chrysler PT Cruiser 95,000 mi,
False Check Engine Light Started when the Car was Only 2yrs Old
2006 Chrysler PT Cruiser 82,214 mi,
engine light on, dealership replace PCM, engine light on again after 20 miles, dealership has replaced TIPM, 4 times and the engine light still comes on saying bad TIPM, dealership says does not know what the problem is, therefore they can not fix it.
2006 P T Cruiser, engine light keeps coming on and can not figure out why
engine light comes on goes off after 4 or 5 days had to replace the radiator after getting my last oil change cost was $529.00 which i thought was a bit high let me know what you think
2003 Chrysler PT Cruiser 25,000 mi,
I get false check. Engine light and oil low light ofter
2006 Chrysler PT Cruiser 100,500 mi,
I just had the PCM replaced , new not rebuilt, and the engine light came on. Need to get my car smogged but can't grrrrrr with light on
2002 Chrysler PT Cruiser 236,000 mi,
The check engine light does not want go off despite all sensors not faulty
after getting oil change the light indicator symbol appeared. i don't notice a change in the way my car drives? could this be a false alarm?
2006 Chrysler PT Cruiser 88,661 mi,
No solved yet going to shop Tuesday.
2006 PT Cruiser Repair engine light.