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Chrysler Repair/2004 300M: fault code readout by ignition switch?


can I retrieve ecu codes without a scanner o a 2004 300M

Hi Wayne,
Try the ignition key: "on-off-on-off-on and leave on" doing that in 5 seconds or less elapsed time. Then watch the odometer window to see the mileage reading change to show any 4 digit numbers preceded by P.
Let me know what you get. If nothing shows up, then a plug-in reader is needed. You can often get a free readout at a nationwide autoparts store such as Autozone.
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Roland Finston


Free fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

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