AutoCodes – Subaru – P1572 Subaru

P1572 Subaru Code - EGI Immobilizer Communication

Quick Answer

The Engine Control Module (ECM) monitors the EGI Immobilizer Communication. Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) circuit poor electrical connection. 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: P1572 Subaru indicates EGI Immobilizer Communication.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) circuit poor electrical connection.
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 10,191

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 Mar 14, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1572 Subaru Description

The Engine Control Module (ECM) monitors the EGI Immobilizer Communication. The Diagnostic Trouble Code (DTC) will set when the Engine Control Module detects an EGI Immobilizer Communication problem.

OBDII Code P1572 Subaru - EGI Immobilizer Communication - AutoCodes.com — P1572 Subaru Code - EGI Immobilizer Communication

What does this mean?

What are the Possible Causes of the DTC P1572 Subaru?

Faulty Engine Control Module (ECM)
Engine Control Module (ECM) harness is open or shorted
Engine Control Module (ECM) circuit poor electrical connection

How to Fix the DTC P1572 Subaru?

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 P1572 Subaru 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.

Frequently Asked Questions about P1572 Subaru Code

1. What are the common symptoms of OBDII code P1572 in a Subaru related to EGI Immobilizer Communication?

- Common symptoms include difficulty starting the vehicle, engine stalling, and the immobilizer system not recognizing the key.

2. What are the possible causes of OBDII code P1572 in a Subaru related to EGI Immobilizer Communication?

- Possible causes may include a faulty immobilizer key, issues with the immobilizer control module, wiring problems, or a malfunctioning ECU.

3. How can I diagnose OBDII code P1572 in my Subaru related to EGI Immobilizer Communication?

- Diagnosing this code typically involves checking the immobilizer key, inspecting the wiring connections, testing the immobilizer control module, and verifying ECU communication.

4. Can a DIYer repair OBDII code P1572 in a Subaru related to EGI Immobilizer Communication?

- Repairing this code may require specialized tools and knowledge, so it is recommended to consult a professional automotive technician or a Subaru dealership for proper diagnosis and repair.

5. Are there any temporary solutions for OBDII code P1572 in a Subaru related to EGI Immobilizer Communication?

- Disconnecting the battery for a few minutes may reset the system and temporarily clear the code, but it is important to address the underlying issue to prevent further problems.

6. How much does it typically cost to repair OBDII code P1572 in a Subaru related to EGI Immobilizer Communication?

- The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the immobilizer key, control module, or ECU, which can range from a few hundred to over a thousand dollars.

7. Can OBDII code P1572 in a Subaru related to EGI Immobilizer Communication cause any long-term damage if left unresolved?

- Ignoring this code may lead to persistent starting issues, potential engine stalling, and a higher risk of theft due to a malfunctioning immobilizer system, so it is important to address it promptly.

8. How long does it typically take to repair OBDII code P1572 in a Subaru related to EGI Immobilizer Communication?

- The repair time can vary depending on the exact cause of the issue and the availability of parts, but it may take a few hours to a day to diagnose and fix the problem.

9. Are there any recalls or technical service bulletins related to OBDII code P1572 in a Subaru related to EGI Immobilizer Communication?

- It is recommended to check with Subaru dealership or online resources for any recalls or technical service bulletins related to this specific OBDII code to see if there are known issues or solutions provided by the manufacturer.

10. Is it safe to drive my Subaru with OBDII code P1572 related to EGI Immobilizer Communication illuminated?

- It is generally not recommended to drive the vehicle with this code active, as it may lead to unexpected engine stalling or starting issues, increasing the risk of being stranded or involved in an accident.