SFI SYSTEM (w/o Electronic Throttle Control System), Diagnostic DTC:P0603, P0605
| DTC Code | DTC Name |
|---|---|
| P0603 | Internal Control Module Keep Alive Memory (KAM) Error |
| P0605 | Internal Control Module Read Only Memory (ROM) Error |
DESCRIPTION
The ECM continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This self-check ensures that the ECM is functioning properly. If any malfunction is detected, the ECM sets appropriate DTCs and illuminates the MIL.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P0603 | ECM internal error (3 trip detection logic) | ECM |
| P0605 | ECM internal error (1 trip detection logic) |
INSPECTION PROCEDURE
