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 P0606-09: Control Module Processor (Brake Override System Output Signal) Component Failure [10/2022 - ]: Procedure
- READ OUTPUT DTC (IN ADDITION TO DTC P0606-09)
- Wait 1 second or more.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTC P0606-09 is output A DTC P0606-09 and other DTCs are output B
Result:
A
REPLACE ECM. Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]
Result:
B
See step 2
- GO TO DTC CHART
HINT:
After the inspection, perform the following procedure.
Result
Proceed to NEXT Result:
NEXT
See step 3
- CLEAR DTC
- Clear the DTCs.
Powertrain > Engine > Clear DTCs
- Turn the ignition switch off and wait for at least 30 seconds.
Result
Proceed to NEXT
Result:
NEXT
See step 4
- Clear the DTCs.
- CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
- Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTCs are not output A DTC P0606-09 is output B
Result:
A
END
Result:
B
REPLACE ECM. Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]
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.