Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM1000000027Y4J
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM: P0A1D94; Hybrid/EV Powertrain Control Module "A" Unexpected Operation; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]

DTC

P0A1D94

Hybrid/EV Powertrain Control Module "A" Unexpected Operation

DESCRIPTION

Forward recognition camera receives vehicle specification information from the hybrid vehicle control ECU via CAN communication line. When the vehicle specification information sent from the hybrid vehicle control ECU is abnormal, the forward recognition camera stores DTC P0A1D94.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

P0A1D94

Hybrid/EV Powertrain Control Module "A" Unexpected Operation

When the forward recognition camera receives a cruise control switch input circuit malfunction signal sent from hybrid vehicle control ECU

  • Hybrid control system
  • Forward recognition camera

Front Recognition Camera

B

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.
  • When the forward recognition camera has been replaced with a new one, make sure to clear all stored vehicle control history of each system and the forward recognition camera beam axis alignment data.

    HINT:

    Forward recognition camera beam axis alignment can be performed by using "One Time Recognition", "Driving Adjustment" or "Camera Axis Adjustment Value Write".

    One Time Recognition: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA: TARGET ADJUSTMENT(ONE TIME RECOGNITION)

    Driving Adjustment: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA: DRIVING ADJUSTMENT

    Camera Axis Adjustment Value Write: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA: CAMERA AXIS ADJUSTMENT VALUE WRITE

  • If the forward recognition camera has been replaced with a new one, make sure to perform Software Version Confirmation.

    Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: UTILITY: SOFTWARE VERSION CONFIRMATION

PROCEDURE

1.

CHECK FOR DTC (Hybrid Control)

(a) Check the DTCs.

Powertrain > Hybrid Control > Trouble Codes

Result

Proceed to

Hybrid control system DTCs are not output

A

Hybrid control system DTCs are output

B

A

REPLACE FORWARD RECOGNITION CAMERA

B

GO TO HYBRID CONTROL SYSTEM