Monitor Description
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The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and store this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory |
|---|---|---|---|---|---|
| P1607 | Cruise Control Input Processor | ECM CPUs malfunction (1 trip detection logic). | ECM | Comes on | DTC stored |