Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Exterior / Acoustic Vehicle Alerting System / Acoustic Vehicle Alerting System / Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)

DESCRIPTION

The vehicle approaching speaker controller receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication.

This DTC is stored when the vehicle information from the main body ECU (multiplex network body ECU) and that stored in the vehicle approaching speaker controller do not match.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

U032257

Software Incompatibility with Body Control Module Invalid/Incompatible Software Component

The vehicle information from the main body ECU (multiplex network body ECU) and that stored in the vehicle approaching speaker controller do not match.
  • CAN communication system
  • Main body ECU (Multiplex network body ECU)

Acoustic Vehicle Alerting System

A

CAUTION / NOTICE / HINT

NOTICE:

If a vehicle approaching speaker controller which was installed to another vehicle is used, the information stored in the vehicle approaching speaker controller will not match the information from the vehicle. As a result, a DTC may be stored.

HINT:

The vehicle approaching speaker controller automatically updates the vehicle information based on the data received from the main body ECU (multiplex network body ECU).

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Acoustic Vehicle Alerting System > Clear DTCs
NEXT

2.

CHECK FOR DTCs

(a) Check for DTCs.

Body Electrical > Acoustic Vehicle Alerting System > Trouble Codes

Result

Proceed to

U032257 is not output

A

U032257 is output

B
A

END
B

GO TO CAN COMMUNICATION SYSTEM

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