AutoCodes – BMW – P1479 BMW

P1479 BMW Code - Brake Boost Vacuum System Mechanical Failure

Quick Answer

P1479 BMW indicates Brake Boost Vacuum System Mechanical Failure. Common causes include Check or Replace fuses, Check Hoses from/to Brake Boost Vacuum Pump, Check Brake Boost Vacuum Pump. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1479 BMW indicates Brake Boost Vacuum System Mechanical Failure.
Common causes: Common causes include Check or Replace fuses, Check Hoses from/to Brake Boost Vacuum Pump, Check Brake Boost Vacuum Pump.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,666

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 24, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1479 BMW Description

OBDII Code P1479 BMW - Brake Boost Vacuum System Mechanical Failure - AutoCodes.com — P1479 BMW Code - Brake Boost Vacuum System Mechanical Failure

What does this mean?

What are the Possible Causes of the DTC P1479 BMW?

Check or Replace fuses
Check Hoses from/to Brake Boost Vacuum Pump
Check Brake Boost Vacuum Pump

How to Fix the DTC P1479 BMW?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1479 BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.