Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b1578 meter

Subaru Legacy BN/BS (2015-2019) Service Manual / Immobilizer (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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.

STEP	CHECK	YES	NO
1.CHECK DTC. Read the DTC of the body integrated unit. Read Diagnostic Trouble Code (DTC)	Is either DTC B1401, B1407 or B1408 displayed-	Perform the diagnosis according to the DTC.	Perform the diagnosis of DTC B1572. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1572 IMM CIRCUIT EXCEPT ANTENNA CIRCUIT

Dtc b1412 immobilizer control module can register stuck

DIAGNOSIS START CONDITION:• Battery voltage is 10 V or more.• The remote engine starter was not used to start the engine.DTC DETECTING CONDITION:• Defective immobilizer CM• Fai ...

Dtc b1577 imm control module eeprom

DIAGNOSIS START CONDITION:• Battery voltage is 10 V or more.• The remote engine starter was not used to start the engine.DTC DETECTING CONDITION:• Defective body integrated unit (exc ...

Other materials:

Removal
NOTE:Before conducting this procedure, drain the engine oil completely.1. Remove the engine from vehicle. Engine Assembly > REMOVAL2. Remove the crank pulley. Crank Pulley > REMOVAL3. Remove the chain cover. Chain Cover > REMOVAL4. Remove the timing chain assembly. Timing Chain Assembly > REMOVA ...