LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2013 >> C-Max Energi >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Hybrid) >> DTC Diagnosis >> DTC P064D: Internal Control Module O2 Sensor Processor Performance (Bank 1)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P064D: Internal Control Module O2 Sensor Processor Performance (Bank 1)

DTC P064D: INTERNAL CONTROL MODULE O2 SENSOR PROCESSOR PERFORMANCE (BANK 1)

Description:  This DTC sets when an internal universal HO2S circuit or communication concern is detected in the PCM.
Possible Causes: 
  • Damaged PCM
Diagnostic Aids:  Reprogram or update the calibration. Check for other DTCs and diagnose those first. Make sure to check for aftermarket performance products before installing a new PCM. Clear the DTCs, repeat the self-test. If the DTC is retrieved again, install a new PCM. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the VID Block for a Replacement PCM.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.
Refer to the appropriate articles related to the description, possible causes and diagnostic aids.