DTC P16B0-9F: Actuator Cut Circuit Stuck Off [09/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota GR Corolla, 2024 Toyota GR Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- 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 2
- Clear the DTCs.
- READ OUTPUT DTC (DTC P16B0-9F)
- Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
- Connect the cable to the negative (-) battery terminal.
- Wait 1 second or more.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTCs are not output A P16B0-9F is output B
Result:
A
CHECK FOR INTERMITTENT PROBLEMS
Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2022 - ]
Result:
B
See step 3
- REPLACE ECM
Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]
Result
Proceed to NEXT Result:
NEXT
See step 4
- INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (THROTTLE VALVE)
- Check if the throttle valve opens and closes smoothly.
OK
Throttle valve opens and closes smoothly.
HINT:
- When cleaning or replacing one throttle body with motor assembly, clean the other throttle body with motor assembly.
See step 4
- Perform "Inspection After Repair" after replacing the throttle body with motor assembly.
Refer to INITIALIZATION [09/2022 - ]
Result
Proceed to OK NG - When cleaning or replacing one throttle body with motor assembly, clean the other throttle body with motor assembly.
Result:
OK
END
Result:
NG
REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY
Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]
- Check if the throttle valve opens and closes smoothly.