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 P062F-46: Internal Control Module EEPROM Calibration / Parameter Memory Failure [12/2019 - 10/2022]: Procedure
- PERFORM REGISTRATION (ECU EXCHANGE)
- According to the display on the GTS, download the previous status (the number of starter operations) from the engine stop and start ECU to the GTS.
Powertrain > Stop and Start > Utility
Tester Display ECU Exchange Result
Proceed to NEXT
Result:
NEXT
See step 2
- According to the display on the GTS, download the previous status (the number of starter operations) from the engine stop and start ECU to the GTS.
- CLEAR DTC
Result:
NEXT
See step 3
- PERFORM REGISTRATION (STARTER EXCHANGE, RESET A/C INFORMATION, DECELERATION SENSOR ZERO POINT CLEAR)
- Clear the number of starter operations.
Powertrain > Stop and Start > Utility
Tester Display Starter Exchange - Clear the air conditioning information.
Powertrain > Stop and Start > Utility
Tester Display Reset A/C Information - Clear the zero point calibration data of the deceleration sensor.
Powertrain > Stop and Start > Utility
Tester Display Deceleration Sensor Zero Point Clear Result
Proceed to NEXT
Result:
NEXT
See step 4
- Clear the number of starter operations.
- PERFORM REGISTRATION (ECU EXCHANGE)
- According to the prompts on the GTS screen, write the information to the engine stop and start ECU.
Powertrain > Stop and Start > Utility
Tester Display ECU Exchange - Perform air conditioning information learning.
Refer to REGISTRATION [12/2019 - 10/2022]
HINT:
When initialization of the air conditioning information is complete, air conditioning information learning is automatically performed.
- Perform deceleration sensor zero point calibration.
Powertrain > Stop and Start > Utility
Tester Display Deceleration Sensor Zero Point Calibration Result
Proceed to NEXT
Result:
NEXT
See step 5
- According to the prompts on the GTS screen, write the information to the engine stop and start ECU.
- CHECK DTC OUTPUT
- Start the engine and warm it up.
- Turn the air conditioning system off.
- Drive the vehicle at 7 km/h (4 mph) or more.WARNING:
When performing Confirmation Driving Pattern, obey all speed limits and traffic laws.
- Depress the brake pedal and stop the vehicle.
- Allow the engine to stop by stop and start control. (Keep the shift lever in D.)
- Release the brake pedal with the shift lever in D to start the engine.
- Check for DTCs.
Powertrain > Stop and Start > Trouble Codes
- Check the number of starter operations.
Refer to DATA LIST / ACTIVE TEST [12/2019 - 10/2022]
Powertrain > Stop and Start > Data List
Tester Display Starter Operation # Result
Result Proceed to DTCs are not output A DTC P062F-46 is output B
Result:
A
END
Result:
B
REPLACE ENGINE STOP AND START ECU. Refer to REMOVAL [12/2019 - 10/2022]
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.