P064D

DTC P064D, sometimes indicated as P064D00 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the causing internal control module o2 sensor processor performance bank 1.

The P064D code means that the O2 sensor processor is not performing within the manufacturer's specifications. This can be caused by a number of things, including a bad sensor, a wiring issue, or a problem with the processor itself.
If you have a bad sensor, it will need to be replaced. If there is a wiring issue, it will need to be fixed. If there is a problem with the processor, it will need to be replaced.

• P064D: Control Module O2 Sensor Processor Performance Bank 1
• P064D: Internal Control Module O2 Sensor Processor Performance Bank 1
• P064D: Internal Control Module O2 Sensor Processor Performance Bank 1
• P064D: Engine control module (ECM), HO2S processor, bank 1 – performance problem
• P064D 39: Control Module HO2S 1 System Circuitry Performance
• P064D 3B: Control Module HO2S 1 System Circuitry Performance
• P064D 54: Control Module HO2S 1 System Circuitry Performance
• P064D 00: Engine control module (ECM), HO2S processor, bank 1 - performance problem