AutoCodesToyota – P0607 2002 Toyota Highlander

P0607 2002 Toyota Highlander Code - Control Module Performance

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
P0607 2002 Toyota Highlander indicates Control Module Performance.
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 2,330
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0607 2002 Toyota Highlander Description

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This self−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 P0607 2002 Toyota Highlander - Control Module Performance - AutoCodes.com
P0607 2002 Toyota Highlander Code - Control Module Performance

What are the Possible Causes of the DTC P0607 2002 Toyota Highlander?

  • 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 P0607 2002 Toyota Highlander?

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 P0607 2002 Toyota Highlander 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 P0607 2002 Toyota Highlander code?

Need more information on how to fix the P0607 2002 Toyota Highlander 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 P0607 2002 Toyota Highlander Code

1. What are the common symptoms of OBDII code P0607 in a 2002 Toyota Highlander?

- Common symptoms include the check engine light coming on, poor vehicle performance, and potential issues with shifting gears.

2. What does OBDII code P0607 indicate in a 2002 Toyota Highlander?

- OBDII code P0607 indicates a malfunction in the engine control module (ECM) or powertrain control module (PCM) performance.

3. What are the possible causes of OBDII code P0607 in a 2002 Toyota Highlander?

- Possible causes include a faulty ECM/PCM, damaged wiring or connectors, software issues, or a low vehicle battery voltage.

4. How can I diagnose OBDII code P0607 in a 2002 Toyota Highlander?

- Diagnosis involves using an OBDII scanner to retrieve the specific fault code, checking for any related symptoms, and inspecting the ECM/PCM and its connections.

5. Is it safe to continue driving with OBDII code P0607 in a 2002 Toyota Highlander?

- It is not recommended to continue driving with this code as it can lead to further damage and potential safety hazards.

6. Can I reset OBDII code P0607 in a 2002 Toyota Highlander myself?

- While you can clear the code with an OBDII scanner, it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code P0607 in a 2002 Toyota Highlander?

- The cost of repair can vary depending on the exact cause, but it may range from $200 to $600, including parts and labor.

8. Are there any DIY repair tips for fixing OBDII code P0607 in a 2002 Toyota Highlander?

- DIY repair is not recommended for this code as it often requires specialized knowledge and tools to properly diagnose and repair the ECM/PCM issue.

9. Can a mechanic easily fix OBDII code P0607 in a 2002 Toyota Highlander?

- A qualified mechanic with experience in diagnosing and repairing ECM/PCM issues should be able to effectively address OBDII code P0607 in a Toyota Highlander.

10. How long does it take to repair OBDII code P0607 in a 2002 Toyota Highlander?

- The repair time can vary depending on the exact cause and complexity of the issue, but it typically takes a few hours to a full day to diagnose and repair the problem.

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