Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b1401 meter collation

Subaru Legacy BN/BS (2015-2019) Service Manual / Immobilizer (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b1401 meter collation

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

TROUBLE SYMPTOM:

• Engine will not start.

• The security indicator illuminates.

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.

STEP	CHECK	YES	NO
1.CHECK COMBINATION METER REGISTRATION. Perform registration of combination meter. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.	Is registration complete-	Currently, it is normal. (Combination meter registration is not complete.)	Refer to “Correspondence table when registration is not possible” in the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. If the registration still does not work properly, replace the combination meter. Combination Meter

Dtc b1571 reference code incompatibility (immobilizer cm to ecm)

1. EXCEPT FOR C0 AND C5 MODELSDIAGNOSIS START CONDITION:• Battery voltage is 10 V or more.• The remote engine starter was not used to start the engine.DTC DETECTING CONDITION:Reference cod ...

Dtc b1414 immobilizer control module non-volatile memory

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 ...

Other materials:

Caution
• Prior to starting work, pay special attention to the following:1. Always wear work clothes, a work cap, and protective shoes. Additionally, wear a helmet, protective goggles, etc. if necessary.2. Protect the vehicle using a seat cover, fender cover, etc.3. Prepare the service tools, clean cl ...