DTC P0606-47: Control Module Processor Watchdog/Safety MCU Failure [09/2023 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
- CLEAR DTC
Pre-procedure1
- None
Post-procedure1
- Turn the ignition switch off.
Result:
NEXT
See step 2
- READ OUTPUT DTC (DTC P0606-47)
Pre-procedure1
- Disconnect the cable from the negative (-) auxiliary battery terminal and wait for 1 minute.
- Connect the cable to the negative (-) auxiliary battery terminal.
- Turn the ignition switch to ON.
- Wait 1 second or more.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTCs are not output A P0606-47 is output B
Post-procedure1
- None
Result:
A
CHECK FOR INTERMITTENT PROBLEMS. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2023 - ]
Result:
B
REPLACE ECM. Refer to REMOVAL [09/2023 - ]