AutoCodes – Lexus – P0606 Lexus

P0606 Lexus Code - Engine Control Module Processor Failure

Quick Answer

The Engine Control Module (ECM) continuously monitors its main and sub CPUs. Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module 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: P0606 Lexus indicates Engine Control Module Processor Failure.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module 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.

Save to My Repairs Step-by-Step Diagnostic Guide My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 29,097

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 29, 2024

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0606 Lexus Description

The Engine Control Module (ECM) continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from these CPUs are different and deviate from the standard, the ECM illuminates the MIL and stores the Diagnostic Trouble Code (DTC) immediately.

OBDII Code P0606 Lexus - Engine Control Module Processor Failure - AutoCodes.com — P0606 Lexus Code - Engine Control Module Processor Failure

What does this mean?

What are the Possible Causes of the DTC P0606 Lexus?

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

How to Fix the DTC P0606 Lexus?

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 P0606 Lexus 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 P0606 Lexus code?

Need more information on how to fix the P0606 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0606 Lexus code diagnosed by a professional: Find a repair shop in your area

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 P0606 Lexus Code

1. What are common symptoms of OBDII code P0606 in a Lexus?

- Common symptoms include engine performance issues, such as rough idling, stalling, poor acceleration, and decreased fuel efficiency.

2. What causes the OBDII code P0606 in a Lexus?

- The code P0606 in a Lexus is typically caused by a failure or malfunction in the Engine Control Module (ECM) processor.

3. How serious is the OBDII code P0606 in a Lexus?

- The P0606 code is a serious issue as it indicates a failure in the ECM processor, which is a critical component for the proper functioning of the engine and other systems.

4. Can driving with the OBDII code P0606 in a Lexus cause further damage?

- Continuing to drive with the P0606 code can potentially cause further damage to the engine or other systems, so it is recommended to address the issue promptly.

5. How is the OBDII code P0606 in a Lexus diagnosed?

- The P0606 code can be diagnosed using an OBDII scanner to read the code and further diagnostic tests to pinpoint the exact cause of the ECM processor failure.

6. What are some repair tips for fixing the OBDII code P0606 in a Lexus?

- Repairing the P0606 code may involve reprogramming or replacing the ECM, as well as checking for any underlying issues that may have caused the processor failure.

7. Can I reset the OBDII code P0606 in a Lexus myself?

- While you can clear the code using an OBDII scanner, it is important to address the root cause of the issue to prevent the code from reoccurring.

8. How much does it cost to repair the OBDII code P0606 in a Lexus?

- The cost of repairing the P0606 code in a Lexus can vary depending on the extent of the damage and whether the ECM needs to be reprogrammed or replaced.

9. Is it safe to continue driving if the OBDII code P0606 appears intermittently?

- It is not recommended to continue driving if the P0606 code appears intermittently, as it can indicate an ongoing issue that may worsen over time.

10. Can a DIY enthusiast repair the OBDII code P0606 in a Lexus?

- While some aspects of diagnosing and repairing the P0606 code may be possible for experienced DIY enthusiasts, it is recommended to consult a professional mechanic for proper diagnosis and repair.