Workshop Manuals Factory service & repair Vauxhall
Vauxhall Astra J05 · Body Systems
05 · Body & interior

DTC B1480

Make
Vauxhall
Model
Astra J
Section
Diagnostic Information and Procedures › Miscellaneous › DTC B1480
Body SystemsDTC B1480

DTC B1480

Diagnostic Instructions

•  Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
•  Review Strategy Based Diagnosis for an overview of the diagnostic approach.
•  Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B1480 02: Battery Rundown Protection Circuit Short to Ground

Circuit/System Description

With the Ignition OFF, the body control module monitors the battery voltage to make sure that the voltage stays within the proper range. If the battery voltage is to low the BCM cuts several electrical circuits depending on the charging condition of the battery.

Conditions for Running the DTC

Ignition is OFF.

Conditions for Setting the DTC

The BCM detects a low battery voltage.

Action Taken When the DTC Sets

The BCM cuts several electrical circuits depending on the charging condition of the battery.

Conditions for Clearing the DTC

The condition for setting the DTC is not longer present.

Reference Information


Schematic Reference

Exterior Lights Schematics


Connector End View Reference

Component Connector End Views


Description and Operation

Exterior Lighting Systems Description and Operation


Electrical Information Reference


Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

1. Engine running, accessories OFF, measure and record the battery voltage at the battery terminals. The voltage must be between 12.6-15.0 V.
⇒ If not within the specified range, refer to Charging System Test .
2. Ignition OFF, measure and record the battery voltage at the battery terminals. The voltage must be between 12.45-12.75 V.
⇒ If not within the specified range, refer to Battery Inspection/Test .
3. Clear DTCs and verify the DTC B1480 does not reset.
⇒ If the DTC resets, replace the K9 Body Control Module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

•  Control Module References for BCM replacement, programming and setup

Parts & tools for this job For Vauxhall Astra

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