Join Date: Aug 2019
Location: Sunol, California
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OK good advice on the grounds, I'll look at that today more closely.
Does the 2002 FXDL have this diagnostic program, or is it just on newer models?
Turn the key in the ignition to the "Off" position. Turn the "Run/Stop" switch to "Run." Push and hold the odometer "Reset" button. Hold the "Reset" button and do not release it yet.
Turn the key to "Ignition," but don't start the engine. Release the odometer "Reset" button. Wait for the odometer to indicate the bike is in diagnostic mode by displaying "Diag." Push the odometer reset button and then release it when you see the "P" in the menu selection flashing.
Wait for the bike to complete the diagnostic of the electronic control module and the ignition control module. Write down the codes that are displayed after the diagnostic is complete. Code PO 374 indicates a failed or faulty crank position sensor due to a synchronization error.