AutoCodes – Volkswagen – P1408 Volkswagen

P1408 Volkswagen Code - EGR Temperature Sensor Signal Too High

Quick Answer

P1408 Volkswagen indicates EGR Temperature Sensor Signal Too High. Common causes include Faulty Exhaust Gas Recirculation (EGR) Temperature Sensor, EGR Temperature Sensor harness is open or shorted, EGR Temperature Sensor circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1408 Volkswagen indicates EGR Temperature Sensor Signal Too High.
Common causes: Common causes include Faulty Exhaust Gas Recirculation (EGR) Temperature Sensor, EGR Temperature Sensor harness is open or shorted, EGR Temperature Sensor circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 4,571

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1408 Volkswagen Description

OBDII Code P1408 Volkswagen - EGR Temperature Sensor Signal Too High - AutoCodes.com — P1408 Volkswagen Code - EGR Temperature Sensor Signal Too High

What does this mean?

What are the Possible Causes of the DTC P1408 Volkswagen?

Faulty Exhaust Gas Recirculation (EGR) Temperature Sensor
EGR Temperature Sensor harness is open or shorted
EGR Temperature Sensor circuit poor electrical connection

How to Fix the DTC P1408 Volkswagen?

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 P1408 Volkswagen 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.