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P0603 Internal Control Module Keep Alive Memory (KAM) Error
AutoHex Online Help: Hyundai GENESIS(BH) 2012
Component Location
General Description
A malfunction is detected by using a checksum technique for verifying data. The 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.
DTC Description
By comparing the checksum value in RAM with a stored value in EEPROM, a malfunction can be detected after IG ON.
( MIL : 1 Driving Cycle)
DTC Detecting Condition
Item | Detecting Condition | Possible Cause |
DTC Strategy | Read / write Error
| Faulty TCM
|
Enable Conditions | "IG KEY" ON
|
Threshold Value | Checksum in RAM is differnet from EEPROM
|
Diagnostic Time | More than 1 time different value dectection
|
Fail Safe | TCU uses the default value as the initial value for EEPROM
|