Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001NNZK
Model Year Start: 2021 Model: Corolla Prod Date Range: [04/2020 - 09/2022]
Title: PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): U030051; Internal Control Module Software Incompatibility Not Programmed; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]

DTC

U030051

Internal Control Module Software Incompatibility Not Programmed

DESCRIPTION

The forward recognition camera receives vehicle information from the hybrid vehicle control ECU via CAN communication.

If the forward recognition camera cannot store the vehicle information, it will store this DTC.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U030051

Internal Control Module Software Incompatibility Not Programmed

When the power switch is on (IG) for 3 seconds or more, the vehicle information sent from the hybrid vehicle control ECU cannot be verified by the forward recognition camera for 3 seconds or more.
  • Hybrid control system
  • Forward recognition camera
  • Hybrid vehicle control ECU

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle and a DTC may be stored.
  • If the forward recognition camera has been replaced with a new one, forward recognition camera adjustment must be performed.

    HINT:

    Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.

    One Time Recognition: Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (ONE TIME RECOGNITION)

    Sequential Recognition: Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (SEQUENTIAL RECOGNITION)

PROCEDURE

1.

CHECK FOR DTCs

(a) Check for DTCs of hybrid control system.

Powertrain > Hybrid Control > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B
B

GO TO HYBRID CONTROL SYSTEM

for NICKEL METAL HYDRIDE BATTERY: Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): HOW TO PROCEED WITH TROUBLESHOOTING

for LITHIUM-ION BATTERY: Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY with P610): HOW TO PROCEED WITH TROUBLESHOOTING

A

2.

CHECK FOR DTCs (HEALTH CHECK)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: System Select / Health Check.

(e) Check DTCs.

(f) Turn the power switch off.

OK:

DTCs indicating a vehicle information mismatch with the hybrid vehicle control ECU are not output by any ECU other than the forward recognition camera.

Result

Proceed to

DTCs are not output

A

DTCs are output

B
A

REPLACE FORWARD RECOGNITION CAMERA

B

REPLACE HYBRID VEHICLE CONTROL ECU