Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P0606-47: Control Module Processor Watchdog/Safety MCU Failure [03/2023 - ]: Procedure
- 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 CHECK FOR INTERMITTENT PROBLEMS [12/2022 - ]
Result:
B
REPLACE ECM
Refer to REMOVAL [03/2023 - ]
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.