ECU InternalHigh ImpactPetrol
P0605 — Internal Control Module ROM Error
The ECU has detected an internal memory integrity error during self-test.
4+
Affected Brands
12+
ECU Platforms
2
Related Services
0
Related DTCs
Symptoms
What the driver typically experiences when P0605 is stored
!Check Engine Light
iPossible no-start condition
!!Limp mode
iErratic engine behavior
Why does P0605 appear after tuning?
Can occur if the modified calibration file has an incorrect checksum or corrupted data region.
How proper calibration can address P0605
WEREMAP files include validated checksums and data integrity verification for every supported ECU platform.
Affected ECU Platforms
Bosch MG1CS017Denso SH7058/SH7059BOSCH MG1CS028BOSCH MG1CS017Bosch me17.8.8.1Bosch MG1CS019Hitachi Hitachi MECMarelli MM9GFHSiemens/Continental SIM2K-341Denso P5.0SCSiemens/Continental 24xxSiemens/Continental SIM2K
Commonly Affected Vehicles
FordExplorerBosch MG1CS017
FordFocusBosch MG1CS017
Land RoverRange RoverBOSCH MG1CS028
FordEdgeBosch MG1CS017
FordRangerBOSCH MG1CS017
GACTrumpchi GS8Bosch me17.8.8.1
FordF150Bosch MG1CS019
NissanGTRHitachi Hitachi MEC
Based on data from 4+ vehicle brands. P0605 is not limited to these models.
Frequently Asked Questions
What does P0605 mean?â–¼
The ECU has detected an internal memory integrity error during self-test.
Why does P0605 appear after ECU tuning?â–¼
Can occur if the modified calibration file has an incorrect checksum or corrupted data region.
How do you prevent P0605 during remapping?â–¼
WEREMAP files include validated checksums and data integrity verification for every supported ECU platform.
Which vehicles are affected by P0605?â–¼
P0605 is commonly found on Ford, Land Rover, GAC, Nissan vehicles equipped with Bosch MG1CS017, Denso SH7058/SH7059, BOSCH MG1CS028, BOSCH MG1CS017 ECU platforms.
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