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P0605 Internal Control Module Read Only Memory(ROM) Error
AutoHex Online Help: Hyundai GETZ(TB) 2005
Component Location
Description
1. General Description
An ECM ROM malfunction is detected by using a checksum technique for verifying data. Digital data is composed of zeros and ones. A checksum is the total of all ones in a string of data. By comparing the checksum value with a stored value, a malfunction can be detected. An ECM RAM malfunction is detected by writing a known string of data and comparing it with a stored string of data.
2. DTC Description
The ECM monitors RAM areas and communication connections between microcontroller and output drivers and sets DTC P0605 if failure is detected.
DTC Detecting Condition
Item | Detecting Condition | Possible cause |
Monitoring Strategy | ? 1. Signal check High ? 2. Signal check Low ? 3. Signal interruption ? 4. Rationality check | ? Faulty ECM |
Threshold value | ? Each check sum of several blocks / Actual check ? Sum ? check sum data |
Enable Conditions | ? Driving cycle |
Diagnostic Time | ? Once / drving |
MIL on condition | |