DTC P064D: Internal Control Module O2 Sensor Processor Performance - Bank 1
P064D - INTERNAL CONTROL MODULE O2 SENSOR PROCESSOR PERFORMANCE - BANK 1
| Description: The PCM monitors the application-specific integrated circuit that controls and monitors the heated oxygen sensor (HO2S). The test fails when the PCM detects an internal circuit or communication concern. | |||
Possible Causes:
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| Diagnostic Aids:
Internal PCM concern. Reprogram or update the calibration. Check for other DTCs and diagnose those first. 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. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||