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Home › Jeep › 2012 › Compass Limited, FWD, Standard › Repair and Diagnosis › Transmission › Automatic Trans › Transmission Control Module (TCM) - Electrical Diagnostics › DTC Troubleshooting › P1661-Sensor Ground Reference Circuit › When Monitored:

When Monitored:

With the ignition on and a system voltage between 9.0 and 16.0 volts.

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