DTC B1578: Meter

Diagnosis start condition:

Battery voltage is 10 V or more.
The remote engine starter was not used to start the engine.

DTC detecting condition:

Reference code incompatibility between combination meter and body integrated unit or communication failure between body integrated unit and ECM

Trouble symptom:

Engine will not start.
The security indicator illuminates.

CHECK DTC .
1. Turn the ignition switch to ON.
2. Read the DTC of [Body Control] using the Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B1401, B1407, or B1408 displayed? (Current malfunction)

Yes: Perform the diagnosis for the displayed DTC B1401, B1407 or B1408. Ref. to IMMOBILIZER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1401: METER COLLATION . Ref. to IMMOBILIZER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1407: MET COMMUNICATION . Ref. to IMMOBILIZER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1408: METER NON-VOLATILE MEMORY .

No: Perform the diagnosis of DTC B1572. Ref. to IMMOBILIZER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1572: IMM CIRCUIT EXCEPT ANTENNA CIRCUIT .