Subaru Crosstrek Service Manual: Dtc b1575 incorrect immobilizer key

DTC DETECTING CONDITION:

Incorrect immobilizer key (use of unregistered key in body integrated unit)

CAUTION:

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

1.CONFIRM NUMBER OF REGISTERED IGNITION KEY.

Using the Subaru Select Monitor, check the number of registered ignition keys. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.

Is one or more ignition key(s) registered?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1575 INCORRECT IMMOBILIZER KEY">Go to Step 2.

Register the immobilizer.

2.CHECK IGNITION KEY.

1) Prepare another ignition key that is already registered.

2) Insert the ignition key in the ignition switch.

3) Turn the ignition switch to ON.

4) Read the DTC of the body integrated unit. Perform the procedure with all registered ignition keys.

Is DTC B1402 displayed for all ignition keys?

Refer to “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume, and perform the actions for the case that all keys are faulty/lost.

Ignition key unit was defective, or ignition key was not registered.

Dtc b1574 key communication

Dtc b1576 egi control module eeprom

Other materials:

Replacement
BRAKE > Brake FluidREPLACEMENTCAUTION:• Do not let brake fluid come into contact with the painted surface of the vehicle body. Wash away with water immediately and wipe off if it is spilled by accident.• Do not reuse drained brake fluid. When refilling brake fluid, always refill new b ...

Low tire pressure warning light (U.S.-spec. models)
When the ignition switch is turned to the "ON" position, the low tire pressure warning light will illuminate for approximately 2 seconds to check that the tire pressure monitoring system (TPMS) is functioning properly. If there is no problem and all tires are properly inflated, the light w ...

Removal
SUNROOF/T-TOP/CONVERTIBLE TOP (SUNROOF) > SunshadeREMOVAL1. Disconnect the ground cable from battery and wait for at least 60 seconds before starting work. NOTE">2. Remove the lid assembly - sunroof. Glass Lid > REMOVAL">3. Remove the trim panel - roof assembly. Roof Trim &g ...