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P1655 2000 Honda Civic Code - TMA/TMB Signal Line Failure

Quick Answer

The P1655 diagnostic trouble code (DTC) for a 2000 Honda Civic indicates a TMA/TMB signal line failure. Common causes include Faulty transmission control module, Wiring or connection issues in the TMA/TMB signal line, Corrosion or damage to the TMA/TMB signal line. 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
P1655 2000 Honda Civic indicates TMA/TMB Signal Line Failure.
Common causes
Common causes include Faulty transmission control module, Wiring or connection issues in the TMA/TMB signal line, Corrosion or damage to the TMA/TMB signal line.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 29, 2024
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Code P1655 2000 Honda Civic Description

The P1655 diagnostic trouble code (DTC) for a 2000 Honda Civic indicates a TMA/TMB signal line failure. This code specifically relates to an issue with the transmission control module (TMA) or transmission control module B (TMB) signal line. The transmission control module is responsible for controlling various functions within the transmission system, such as shifting gears, torque converter lockup, and other transmission-related operations.

OBDII Code P1655 2000 Honda Civic - TMA/TMB Signal Line Failure
P1655 2000 Honda Civic Code - TMA/TMB Signal Line Failure

Common Causes of P1655 2000 Honda Civic

  1. Faulty transmission control module
  2. Wiring or connection issues in the TMA/TMB signal line
  3. Corrosion or damage to the TMA/TMB signal line
  4. Electrical interference or signal disruption
  5. Software or programming issues with the transmission control module

Symptoms of P1655 2000 Honda Civic

  1. Erratic shifting behavior
  2. Harsh shifting between gears
  3. Transmission slipping
  4. Limp mode activation
  5. Check engine light illuminated

How to Fix P1655 2000 Honda Civic

  1. Begin by conducting a thorough inspection of the TMA/TMB signal line, checking for any visible damage, corrosion, or loose connections.
  2. Test the transmission control module and related components to determine if they are functioning correctly.
  3. Repair or replace any damaged wiring or connections in the TMA/TMB signal line.
  4. Clear the DTC from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, consider reprogramming or replacing the transmission control module.

Cost to Fix P1655 2000 Honda Civic

The cost of repairing a TMA/TMB signal line failure in a 2000 Honda Civic can vary depending on the extent of the damage and the specific components that need to be repaired or replaced. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it is essential to note that diagnostic time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops for a more accurate estimate based on your specific circumstances.

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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 P1655 2000 Honda Civic Code

1. What does the OBDII code P1655 on a 2000 Honda Civic indicate?

The P1655 code on a 2000 Honda Civic specifically refers to a TMA/TMB signal line failure.

2. What are the common symptoms of a TMA/TMB signal line failure (P1655) in a 2000 Honda Civic?

Common symptoms include issues with the vehicle's electronic power steering system, such as stiff steering or loss of power steering assistance.

3. What are the possible causes of a TMA/TMB signal line failure (P1655) in a 2000 Honda Civic?

Potential causes include damaged wiring or connectors in the TMA/TMB signal circuit, a malfunctioning power steering control module, or a faulty power steering motor.

4. How can I diagnose a TMA/TMB signal line failure (P1655) in my 2000 Honda Civic?

Diagnosis typically involves inspecting the wiring, connectors, and components related to the power steering system, as well as using a diagnostic scanner to retrieve stored fault codes.

5. Is it safe to drive my 2000 Honda Civic with the P1655 code (TMA/TMB signal line failure)?

It is not recommended to drive the vehicle with the P1655 code present, as it can lead to potential steering issues and compromise driving safety.

6. Can I repair a TMA/TMB signal line failure (P1655) in a 2000 Honda Civic myself?

While basic inspections like checking wiring and connectors can be performed by DIY enthusiasts, diagnosing and repairing issues related to the power steering system usually require professional expertise.

7. How much does it typically cost to repair a TMA/TMB signal line failure (P1655) in a 2000 Honda Civic?

Costs can vary depending on the specific cause of the issue, but repairs related to the power steering system can range from a few hundred to over a thousand dollars, including parts and labor.

8. Will resetting the OBDII code P1655 on a 2000 Honda Civic make the issue go away?

Simply clearing the fault code without addressing the underlying problem will not resolve the TMA/TMB signal line failure and may lead to the code reappearing once the issue persists.

9. Can a TMA/TMB signal line failure (P1655) in a 2000 Honda Civic affect other vehicle systems?

While the P1655 code is specific to the power steering system, issues with this system can impact overall vehicle handling and safety, making it essential to address promptly.

10. How can I prevent a TMA/TMB signal line failure (P1655) in my 2000 Honda Civic?

Regular maintenance, such as checking the power steering system for leaks, ensuring proper fluid levels, and addressing any unusual steering behavior promptly, can help prevent issues leading to a TMA/TMB signal line failure.

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