AutoCodes – Toyota – P0606 2007 Toyota Camry

P0606 2007 Toyota Camry Code - ECM Processor Error

Quick Answer

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) Harness power supply circuit is open or shorted, Engine Control Module (ECM) Programming. 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 2007 Toyota Camry indicates ECM Processor Error.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) Harness power supply circuit is open or shorted, Engine Control Module (ECM) Programming.
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 12,704

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 Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0606 2007 Toyota Camry Description

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This selfâˆ’check insures that the ECM is functioning properly. If any malfunction is detected, the ECM will set the code and illuminate the engine light.
The ECM memory status is diagnosed by internal mirroring of the main CPU and the sub CPU to detect Random Access Memory (RAM) errors. The two CPUs also perform continuous mutual monitoring. The ECM illuminates the MIL and sets a DTC if: 1) outputs from the two CPUs are different or deviate from the standards, 2) the signals sent to the throttle actuator deviate from the standards, 3) a malfunction is found in the throttle actuator supply voltage, and 4) any other ECM malfunction is found.

OBDII Code P0606 2007 Toyota Camry - ECM Processor Error - AutoCodes.com — P0606 2007 Toyota Camry Code - ECM Processor Error

What does this mean?

What are the Possible Causes of the DTC P0606 2007 Toyota Camry?

Faulty Engine Control Module (ECM)
Engine Control Module (ECM) Harness power supply circuit is open or shorted
Engine Control Module (ECM) Programming

How to Fix the DTC P0606 2007 Toyota Camry?

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 does this mean?

Code Tech Notes

Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the ECM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0606 2007 Toyota Camry 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 2007 Toyota Camry code?

Need more information on how to fix the P0606 2007 Toyota Camry 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 P0606 2007 Toyota Camry Code

1. What does the OBDII code P0606 mean on a 2007 Toyota Camry?

P0606 indicates an ECM (Engine Control Module) Processor Error, meaning the ECM has detected an internal fault or malfunction in its processor.

2. What are the common symptoms of code P0606 in a 2007 Toyota Camry?

Symptoms may include a check engine light, poor engine performance, hesitation or stalling, reduced fuel efficiency, or the engine not starting.

3. What causes the P0606 code on a Toyota Camry?

Common causes include a failed ECM, software corruption, electrical issues like short circuits, or damaged wiring and connectors.

4. Can a bad battery cause the P0606 code in a 2007 Toyota Camry?

Yes, a weak or failing battery or charging system can cause voltage fluctuations that may trigger the P0606 code.

5. How do you diagnose the P0606 code?

Diagnosis involves checking for related codes, inspecting ECM wiring and connectors for damage, testing the battery and charging system, and verifying ECM functionality with specialized tools.

6. Is it safe to drive with a P0606 code on a Toyota Camry?

Driving with this code is not recommended, as it could lead to unpredictable engine behavior or further damage to the vehicle.

7. Can the P0606 code be fixed by reprogramming the ECM?

In some cases, reprogramming or updating the ECM software may resolve the issue, but this depends on the root cause of the error.

8. How much does it cost to fix a P0606 code on a 2007 Toyota Camry?

Repair costs vary, but ECM replacement can range from $500 to $1,500, while simpler fixes like repairing wiring or reprogramming may cost less.

9. Can a faulty sensor trigger the P0606 code?

No, the P0606 code specifically refers to an internal ECM issue, not a faulty sensor. However, external electrical issues can sometimes mimic ECM problems.

10. Do I need to replace the ECM to fix the P0606 code?

Not always; the issue could be with wiring, power supply, or software. Proper diagnosis is essential before replacing the ECM.