Monitor Description
WARNING: This page is about a different car, the 2019 Lexus GS 300, 2018 Lexus GS 300, 2017 Lexus GS 200t, and 2016 Lexus GS 200t. However, it is still accessible from the selected car via links, so may be relevant.
The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from these CPUs are different and deviate from the standard, the ECM will illuminate the MIL and store a DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P060604 | Control Module Processor System Internal Failure | ECM main CPU malfunction (1 trip detection logic) | ECM | Comes on | DTC stored | SAE Code: P0606 |
| P060629 | Control Module Processor Signal Invalid | ECM main CPU malfunction (1 trip detection logic) | ECM | Comes on | DTC stored | SAE Code: P0606 |
| P060647 | Control Module Processor Watchdog/Safety MCU Failure | ECM main CPU malfunction (1 trip detection logic) | ECM | Comes on | DTC stored | SAE Code: P0606 |