Last Modified: 06-05-2026 6.11:8.1.0 Doc ID: RM1000000028I3I
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): Remote Engine Starter does not Operate; 2023 - 2026 MY GR Corolla Corolla Corolla Hatchback [11/2022 -        ]

Remote Engine Starter does not Operate

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the DCM (telematics transceiver), refer to Registration.

Click here 2023 - 2026 MY GR Corolla Corolla Corolla Hatchback [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

PROCEDURE

1.

CHECK SMART KEY SYSTEM (for Start Function)

(a) Check that the engine can be started by pressing the ignition switch.

Result

Result

Proceed to

Engine can be started.

A

Engine cannot be started.

B
B

GO TO SMART KEY SYSTEM (for Start Function)

A

2.

REGISTRATION

HINT:

If registration is not performed after replacing any of the following parts, the remote engine start and stop will not be available.

  • Certification ECU (smart key ECU assembly)
  • DCM (telematics transceiver)

(a) Perform remote engine start and stop registration.

Click here 2023 - 2026 MY GR Corolla Corolla Corolla Hatchback [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

(b) Check if the problem symptom recurs.

Result

Result

Proceed to

System does not return to normal.

A

System returns to normal.

B
A

CONTACT SERVICE CENTER
B

END