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P0730 Diagnostic Trouble Code Discussion for September 2025

Incorrect Gear Ratio


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Trouble Ticket Help Requests for DTC P0730
Help Request Posted
2011 Jeep Compass 2.4L no throttle response VIN: 1J4NF1FB0B
P0730: incorrect gear ratio. The problem only happens when vehicle is at operating temperature. With a scan tool attached watching the throttle pids the only abnormality is the ETC Directional Duty Cycle % is always a Negative Value. I cannot see the motor voltages to the T.B., the th...
September 09, 2025