Skip to content
Engine coolingPart report

2003 Chrysler 300M Engine cooling Problems

Complaints
9about this part
Share
27%of 33 total for the year
Median mileage
45,855miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the engine cooling of the 2003 Chrysler 300M, 27% of the 33 complaints for this model year. Where a mileage was given, the median is 45,855 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Our 2003 Chrysler 300M airbag light and DTC code p 0581 both went on approximately 3 months ago. P0581 indicates cruise control multi-function input a circuit high. The car has 38,000 miles. I spoke with a Chrysler dealer and was told the two occurrences indicated a bad 'airbag clock spring coil'. In my research I found there was a recall on Chrysler llc minivans for the same problem, also that there are many instances of this occurring in other Chrysler models. Because this seems a consistent problem with Chrysler llc vehicles, is there any investigation in progress? …”

NHTSA complaint #10268626, filed 2009-05, 38,000 miles

“Purchased 2003 Chrysler 300M in aug 05, with 9,500 miles. From the beginning engine light came on, was reset; in addition, gas gauge and light flicker. In aug 2006, on a trip to ca light came on and at one point car would not start immediately. Stopped at paso robles dealer who reset code. On I!0, outside san bernadino, in the third lane of heavy traffic, the car died with on warning other than the check engine light. Due to the alertness of the tractor trailer truck driver on my right, I was able to glide off the highway without causing a massive pileup. …”

NHTSA complaint #10202293, filed 2007-09, 18,013 miles

“Check engine light came on while driving. Engine started hesitating at random times. Code readout indicated failure of cam shaft position sensor. When this was repaired, mechanic stated that codes were also present indicating failure of catalytic converters (1 per exhaust line). These should not fail during normal use.”

NHTSA complaint #10202209, filed 2007-09, 96,800 miles

“Dt: the contact stated while driving the vehicles made a loud clanking noise and stalled. The contact was able to pull the vehicle off of the freeway onto the shoulder. After restarting the vehicle and driving only five feet it began clanking very loud. A tow truck was called. The vehicle was taken to an independent repair shop, but the problem could not be diagnosed. The vehicle is now in transit to a certified dealership.”

NHTSA complaint #10146153, filed 2005-12, 100,000 miles

“Dt: the consumer states that 2003 Chrysler 300M stalled on the freeway at 55 MPH. The check engine light came on , and the car did not restart immediately. Consumer had to wait about 25-30 minutes before vehicle restarted. The consumer had the vehicle towed to the repair shop. It was diagnosed as the cam shaft position sensor. The sensor was fixed, and the check engine light came back on. Took the car back to the repair shop and the front oxygen (o2 )sensor failed. It was repaired, and the check engine light came back on for the third time. …”

NHTSA complaint #10132511, filed 2005-08, 45,855 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
20041420%
2003927%
20021012%
200178%
200094%
1999339%

Other parts of the 2003 Chrysler 300M

Air bags
4 complaints
Brakes
3 complaints
Electrical system
3 complaints
Fuel system
3 complaints
Transmission and drivetrain
3 complaints
Engine
2 complaints
Equipment
2 complaints
Seats
2 complaints
Body and structure
2 complaints
Vehicle speed control
2 complaints
Wheels
2 complaints
Exterior lighting
1 complaints

← All problems reported for the 2003 Chrysler 300M

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology