Conditions for Setting the DTC

P0601

• The read only memory has detected an incorrect program or calibration checksum error.
• This condition has been present 5 or more times within a 16 count time period.

P0603

• The TCM has detected a long term memory checksum error during power up.
• This DTC runs continuously.

P0604

• The TCM has detected a single word failure with the random access memory.
• This condition has been present 5 or more times within a 16 count time frame.

P062F

• The TCM has detected the non-volatile memory is incorrect during power-down.
• This DTC runs continuously.