DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (5 Of 6) >> SFI System >> DTC P0606-04: Control Module Processor System Internal Failure; DTC P0606-29: Control Module Processor Signal Invalid; DTC P0606-2A: Control Module Processor Signal Stuck in Range; DTC P0606-47: Control Module Processor Watchdog/Safety MCU Failure [12/2019 - 10/2022] >> Monitor Description

Monitor Description

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 DTCs.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0606-04 Control Module Processor System Internal Failure ECM main CPU malfunction (1 trip detection logic) ECM Comes on DTC stored SAE Code: P0606
DTC for Mexico Models:
- Applies
P0606-29 Control Module Processor Signal Invalid ECM main CPU malfunction (1 trip detection logic) ECM Comes on DTC stored SAE Code: P0606
DTC for Mexico Models:
- Applies
P0606-2A Control Module Processor Signal Stuck in Range ECM main CPU malfunction (1 trip detection logic) ECM Comes on DTC stored SAE Code: P0606
DTC for Mexico Models:
- Applies
P0606-47 Control Module Processor Watchdog/Safety MCU Failure ECM main CPU malfunction (1 trip detection logic) ECM Comes on DTC stored SAE Code: P0606
DTC for Mexico Models:
- Applies