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Home >> Dodge and Ram >> 2011 >> Durango Express, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> P0721-Output Speed Sensor Circuit Performance >> When Monitored:
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When Monitored:

WARNING: This page is about a different car, the 2011 Jeep Patriot and 2011 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

Ignition on, engine running with the transmission in a valid forward gear.

System voltage between 9.0 and 16+.0 volts.

Vehicle speed greater than 10 Km/h (6 mph).

Accelerator Pedal Position (APP) greater than 12.5%.

Engine rpm greater than 450 rpm with TCC lock-up enabled.

No  active DTCs from the following:

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