AutoCodes – Toyota – C1582 2017 Toyota RAV4

C1582 2017 Toyota RAV4 Code - Assist Map Number Mismatch

Quick Answer

When an incorrect ECM, an incorrect brake actuator assembly or an incorrect main body ECU is installed after the assist map has been written in the power steering ECU assembly, then Diagnostic Trouble Code (DTC) C1582/26 is stored because the data does not match the vehicle specifications. Common causes include Incorrect Engine Control Module (ECM), Incorrect Skid Control ECU (Brake Actuator Assembly), Incorrect Main Body ECU (Multiplex Network Body ECU). 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: C1582 2017 Toyota RAV4 indicates Assist Map Number Mismatch.
Common causes: Common causes include Incorrect Engine Control Module (ECM), Incorrect Skid Control ECU (Brake Actuator Assembly), Incorrect Main Body ECU (Multiplex Network Body ECU).
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 173

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Feb 26, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
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Code C1582 2017 Toyota RAV4 Description

OBDII Code C1582 2017 Toyota RAV4 - Assist Map Number Mismatch - AutoCodes.com — C1582 2017 Toyota RAV4 Code - Assist Map Number Mismatch

What does this mean?

What are the Possible Causes of the DTC C1582 2017 Toyota RAV4?

Incorrect Engine Control Module (ECM)
Incorrect Skid Control ECU (Brake Actuator Assembly)
Incorrect Main Body ECU (Multiplex Network Body ECU)
Faulty Power Steering ECU

How to Fix the DTC C1582 2017 Toyota RAV4?

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 C1582 2017 Toyota RAV4 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 C1582 2017 Toyota RAV4 code?

Need more information on how to fix the C1582 2017 Toyota RAV4 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 C1582 2017 Toyota RAV4 Code

1. What is OBDII code C1582 on a 2017 Toyota RAV4?

Code C1582 indicates an Assist Map Number Mismatch, suggesting a problem with the electronic parking brake system.

2. What are the common symptoms of OBDII code C1582 in a 2017 Toyota RAV4?

Common symptoms include the electronic parking brake malfunction indicator illuminating on the dashboard and potential issues with engaging or disengaging the parking brake.

3. What can cause the OBDII code C1582 in a 2017 Toyota RAV4?

The Assist Map Number Mismatch code C1582 can be triggered by a faulty electronic parking brake actuator, wiring issues, or a software malfunction within the system.

4. How do you diagnose the OBDII code C1582 in a 2017 Toyota RAV4?

Diagnosis typically involves using a diagnostic scanner to retrieve the fault code, inspecting the electronic parking brake components for damage, and conducting tests to identify the specific cause of the Assist Map Number Mismatch.

5. Can I continue to drive my 2017 Toyota RAV4 with OBDII code C1582 present?

It's not recommended to drive the vehicle with an unresolved C1582 code, as it may lead to potential safety hazards or further damage to the electronic parking brake system. It's advisable to address the issue promptly.

6. How do you repair OBDII code C1582 in a 2017 Toyota RAV4?

Repairing code C1582 often involves replacing the faulty electronic parking brake actuator, repairing any damaged wiring, or updating the system software to rectify the Assist Map Number Mismatch.

7. Is it possible to reset OBDII code C1582 in a 2017 Toyota RAV4?

Resetting the code without addressing the underlying issue will likely result in it reappearing. It's crucial to diagnose and repair the cause of the Assist Map Number Mismatch before resetting the code.

8. Are there any DIY tips to troubleshoot OBDII code C1582 in a 2017 Toyota RAV4?

While basic troubleshooting steps like checking the parking brake system's fuse and visually inspecting the wiring can be done, resolving code C1582 may require specialized tools and expertise best handled by a professional.

9. How much does it cost to fix OBDII code C1582 in a 2017 Toyota RAV4?

The cost of repairing code C1582 can vary depending on the specific cause of the issue, the parts needed for replacement, and labor costs. It's advisable to consult a mechanic for an accurate estimate.

10. Can a software update resolve OBDII code C1582 in a 2017 Toyota RAV4?

In some cases, a software update provided by the manufacturer can address the Assist Map Number Mismatch issue triggering code C1582. It's recommended to check with a Toyota dealership or authorized service center for software updates related to this code.