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Home › Jeep › 2009 › Compass Sport, 2.0 A › Repair and Diagnosis › Transmission › Automatic Trans › (Transmission Control Module (TCM) - Electrical Diagnostics) › DTC Troubleshooting › P1661-Sensor Ground Reference Circuit › Monitor Conditions

Monitor Conditions

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