Your Ford M350 engine control system detects a problem, the computer stores the diagnostic trouble
code U3062 in its memory.
To figure out what is wrong with your vehicle you must first extract the U3062 DTC For Ford M350.
On 1999 and later U3062 Ford M350 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.
U3062 Ford M350 DTC Meaning
Network Code - Problem is climate control system, lighting, airbags, etc.
SAE - Generic
Vehicle Speed Output Circuit
Kick-Down Switch Failed Short
If your vehicle failed a U3062 Ford M350 test and the U3062 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses U3062 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look U3062 DTC For Ford M350: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.