DTC P061C: Internal Control Module Engine RPM Performance

P061C - INTERNAL CONTROL MODULE ENGINE RPM PERFORMANCE

Description:	Indicates a calculation error occurred in the powertrain control module (PCM). This DTC is set in combination with P2106.
Possible Causes:	Crankshaft position (CKP) sensor. CKP sensor circuit is open or shorted CKP sensor circuit intermittent Damaged CKP sensor Camshaft position (CMP) sensor. CMP sensor circuit is open or shorted CMP sensor circuit intermittent Damaged CMP sensor Damaged PCM.
Diagnostic Aids:	After each step return to this diagnostic aid for direction. Do not install a new PCM until the following steps are completed. Verify correct operation of the CKP sensor and related circuits GO to Pinpoint Test JD . Verify correct operation of the CMP sensor and related circuits GO to Pinpoint Test DR . Clear the PCM DTCs Road test the vehicle. Use the customer information to recreate the concern. If the concern or DTC is still present, install a new PCM Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.