Subaru Crosstrek Service Manual: Dtc b1407 met communication

DTC DETECTING CONDITION:

Communication failure between body integrated unit and combination meter

CAUTION:

When the combination meter is replaced, registration of the immobilizer system is required. For details, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.

1.CHECK DTC.

Read the DTC of the body integrated unit. Read Diagnostic Trouble Code (DTC)">

Is DTC of the body integrated unit except for DTC B1407 displayed?

Perform the diagnosis according to the DTC.

Replace the combination meter. Combination Meter">

Dtc b1406 scu_eeprom

Dtc b1408 meter non-volatile memory

Other materials:

Ignition switch (models without "keyless access with push-button start system")
WARNING Never turn the ignition switch to the "LOCK" position while the vehicle is being driven or towed because that will lock the steering wheel, preventing steering control. And when the engine is turned off, it takes a much greater effort than usual to steer. Before leaving t ...

Key lock-in prevention function
The Subaru Ascent is equipped with a key lock-in prevention system designed to prevent accidental locking of the keys inside the vehicle. Under the following conditions, the Subaru Ascent doors will not lock when the door lock switch is pressed while a front door remains open: The key is st ...

Before checking or servicing in the engine  compartment
WARNING Always stop the engine and apply the parking brake firmly to prevent the vehicle from moving. Always let the engine cool down. Engine parts become very hot when the engine is running and remain hot for some time after the engine has stopped. Do not spill engine oil, engine coolan ...