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Home › Jeep › 2012 › Liberty Limited Jet, 4WD, Part Time › Repair and Diagnosis › Transmission › Automatic Trans › Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission › DTC Troubleshooting › P0721-Output Speed Sensor Circuit Performance › Set Condition:

Set Condition:

If there is an excessive change in the Output RPM in any gear.

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