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.
  1. 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 .