ram15002001 low idol
ECM handles the idle, it is not adjustable, if you believe there is a problem, have the system scanned for trouble codes, if no codes are listed you will need to have the system checked with a "live data" scanner to help locate the problem.
Cleaning the throttle body might help. As Tennisshoes said, the ECM controls the idle. Idle Air Control (IAC) may be in need of cleaning or replacement if your vehicle is so equipped.
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