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Engine-Codes – Honda – P1655 1997 Honda Civic

P1655 1997 Honda Civic Code - TMA/TMB Signal Line Failure

Quick Answer

The P1655 diagnostic trouble code (DTC) in a 1997 Honda Civic indicates a TMA/TMB signal line failure. Common causes include Wiring harness issues, Corrosion in the signal line, Loose connections. 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 1997 Honda Civic indicates TMA/TMB Signal Line Failure.
Common causes
Common causes include Wiring harness issues, Corrosion in the signal line, Loose connections.
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 15, 2024
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Code P1655 1997 Honda Civic Description

The P1655 diagnostic trouble code (DTC) in a 1997 Honda Civic indicates a TMA/TMB signal line failure. This code specifically relates to an issue with the transmission control module A (TMA) or transmission control module B (TMB) signal line. The TMA and TMB are responsible for communicating with the engine control module (ECM) to ensure proper transmission operation. When there is a failure in the signal line, it can lead to various transmission-related issues and affect the overall performance of the vehicle.

OBDII Code P1655 1997 Honda Civic - TMA/TMB Signal Line Failure
P1655 1997 Honda Civic Code - TMA/TMB Signal Line Failure

Common Causes of P1655 1997 Honda Civic

  1. Wiring harness issues
  2. Corrosion in the signal line
  3. Loose connections
  4. Faulty TMA/TMB module
  5. ECM communication issues

Symptoms of P1655 1997 Honda Civic

  1. Transmission not shifting properly
  2. Erratic shifting behavior
  3. Transmission going into limp mode
  4. Sluggish acceleration
  5. Poor fuel efficiency

How to Fix P1655 1997 Honda Civic

  1. Begin by conducting a thorough inspection of the wiring harness and connections for any visible damage or corrosion.
  2. Test the TMA/TMB modules to determine if they are functioning correctly.
  3. Check the ECM for any communication errors or faults.
  4. Repair or replace any damaged wiring, connectors, or modules as needed.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1655 1997 Honda Civic

The typical repair costs for addressing a TMA/TMB signal line failure in a 1997 Honda Civic can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

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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 1997 Honda Civic Code

What are common symptoms of OBDII code P1655 on a 1997 Honda Civic?

Symptoms may include engine stalling, rough idling, poor acceleration, and illuminated Check Engine Light.

What does the OBDII code P1655 TMA/TMB Signal Line Failure indicate on a 1997 Honda Civic?

This code indicates a malfunction in the signal line related to the TMA (Top Dead Center Magnetic Sensor) and TMB (Top Dead Center Hall Sensor) components.

What are possible causes of OBDII code P1655 on a 1997 Honda Civic?

Possible causes include damaged wiring, loose connections, faulty sensors, or issues with the engine control module.

How can I diagnose OBDII code P1655 on my 1997 Honda Civic?

Diagnosis involves checking the wiring and connections related to the TMA and TMB sensors, testing the sensors themselves, and verifying the signal line integrity.

How can I repair OBDII code P1655 on my 1997 Honda Civic?

Repair options include repairing or replacing damaged wiring, securing loose connections, replacing faulty sensors, or reprogramming the engine control module if necessary.

Can I continue driving my 1997 Honda Civic with OBDII code P1655?

It is not recommended to continue driving with this code present, as it can lead to potential engine performance issues and further damage if left unresolved.

Is it necessary to reset the OBDII code P1655 after making repairs on a 1997 Honda Civic?

Yes, it is recommended to clear the code using an OBDII scanner after repairs to see if the issue has been successfully resolved.

Are there any preventive measures to avoid OBDII code P1655 on a 1997 Honda Civic?

Regular maintenance, such as checking and cleaning sensor connections, inspecting wiring for damage, and addressing any issues promptly, can help prevent this code from occurring.

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