Internal Control Module O2 Sensor Processor Performance Bank 1
Table of contents
P064D MERCURY Possible Causes
- Faulty Powertrain Control Module (PCM)
- PCM harness is open or shorted
- PCM circuit poor electrical connection
How do I fix code P064D MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P064D MERCURY code
The cost of diagnosing the P064D MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P064D MERCURY Description
The Powertrain Control Module (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.