AutoCodes – Subaru – P1571 Subaru

P1571 Subaru Code - Reference Code Incompatible

Quick Answer

P1571 Subaru indicates Reference Code Incompatible. Common causes include Faulty Body Control Module (BCM), Faulty Engine Control Module (ECM). 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: P1571 Subaru indicates Reference Code Incompatible.
Common causes: Common causes include Faulty Body Control Module (BCM), Faulty Engine Control Module (ECM).
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 17,220

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1571 Subaru Description

OBDII Code P1571 Subaru - Reference Code Incompatible - AutoCodes.com — P1571 Subaru Code - Reference Code Incompatible

What does this mean?

What are the Possible Causes of the DTC P1571 Subaru?

Faulty Body Control Module (BCM)
Faulty Engine Control Module (ECM)

How to Fix the DTC P1571 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 P1571 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.

Need more information about the P1571 Subaru code?

Need more information on how to fix the P1571 Subaru code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P1571 Subaru Code

1. What is OBDII code P1571 in a Subaru?

OBDII code P1571 in a Subaru refers to "Reference Code Incompatible," indicating an issue with the compatibility of reference codes within the vehicle's electronic control unit (ECU).

2. What are the common symptoms of OBDII code P1571 in a Subaru?

Common symptoms of OBDII code P1571 in a Subaru may include engine misfire, rough idling, reduced engine performance, and potential illumination of the Check Engine light.

3. What are the possible causes of OBDII code P1571 in a Subaru?

Possible causes of OBDII code P1571 in a Subaru include a faulty electronic control unit (ECU), issues with the reference code programming, damaged wiring or connectors, or a disrupted communication between vehicle modules.

4. How can I diagnose OBDII code P1571 in a Subaru?

Diagnosing OBDII code P1571 in a Subaru involves using an OBDII scanner to retrieve the specific fault code, conducting a visual inspection of wiring and connectors, and checking for any related error codes or underlying issues within the vehicle's systems.

5. Can I continue driving my Subaru with OBDII code P1571?

It is not recommended to drive your Subaru with OBDII code P1571, as it may lead to further damage to the vehicle's systems and components. It is advised to address the issue promptly to prevent potential safety hazards or more extensive repairs.

6. How can I repair OBDII code P1571 in a Subaru?

Repairing OBDII code P1571 in a Subaru may involve reprogramming the electronic control unit (ECU), repairing or replacing damaged wiring or connectors, ensuring proper communication between vehicle modules, and clearing the fault code from the system.

7. Is it necessary to visit a mechanic for OBDII code P1571 in a Subaru?

While some DIY enthusiasts may attempt to address OBDII code P1571 in a Subaru on their own, it is advisable to consult a qualified mechanic or technician for a thorough diagnosis and proper repair to ensure the issue is resolved correctly.

8. How much does it cost to fix OBDII code P1571 in a Subaru?

The cost to fix OBDII code P1571 in a Subaru can vary depending on the underlying cause of the issue, the extent of repairs needed, and labor costs. It is recommended to obtain estimates from reputable repair shops or dealerships.

9. Can a software update resolve OBDII code P1571 in a Subaru?

In some cases, a software update or ECU reprogramming may resolve OBDII code P1571 in a Subaru by addressing compatibility issues with reference codes. Consult with a Subaru dealership or qualified technician for the appropriate solution.

10. How can I prevent OBDII code P1571 from recurring in my Subaru?

To prevent OBDII code P1571 from recurring in your Subaru, it is essential to address any underlying issues promptly, perform regular maintenance, follow manufacturer recommendations for software updates, and ensure proper communication between vehicle modules.