Aberdonia OBD Trouble Code 63

PCM Failure EEPROM write denied
Unsuccessful attempt to write and EEPROM location by the PCM. Controller failure, check the PCM. This code can be set when attempting an unauthorized reprogram of

Unsuccessful attempt to write to an EEPROM location by the PCM

manifold absolute pressure (map) sensor voltage high (low vacuum detected)

Rear heated oxygen sensor

Controller cannot write to EEPROM