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P0601 Internal Control Module Memory Check Sum Error

AutoHex Online Help: Hyundai ACCENT(RB) 2012
Component Location
General Description

PCM/TCM decide that error is detected, when checksum is worng by PCM/TCM internal operation.

PCM/TCM watch that PCM/TCM checks error of each data by each data checksum for PCM/TCM internal operation value.



DTC Description

This code is set when PCM/TCM detected checksum error by internal operation.

( Checksum error is detected when PCM/TCM's ROM or DATA is changed by reprogram illegally.)

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

ROM checksum error

ROM data reprogram illegally

PCM/TCM

Enable Conditions

Ignition "ON"

Battery voltage > 10V

Threshold value

Checksum error or PCM/TCM fault

Detecting Time

1event

Fail safe

Locked into 4th gear