P1655 1998 Honda Civic Code - TMA/TMB Signal Line Failure
Quick Answer
P1655 1998 Honda Civic indicates TMA/TMB Signal Line Failure. Common causes include ECM/PCM Internal Circuit Problem. 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 1998 Honda Civic indicates TMA/TMB Signal Line Failure.
- Common causes
- Common causes include ECM/PCM Internal Circuit Problem.
- 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.
Code P1655 1998 Honda Civic Description
What are the Possible Causes of the DTC P1655 1998 Honda Civic?
- ECM/PCM Internal Circuit Problem
How to Fix the DTC P1655 1998 Honda Civic?
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 P1655 1998 Honda Civic 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.
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Frequently Asked Questions about P1655 1998 Honda Civic Code
1. What does the OBDII code P1655 mean on a 1998 Honda Civic?
P1655 indicates a "TMA/TMB Signal Line Failure," which relates to a problem with the throttle motor actuator (TMA) or throttle motor body (TMB) communication.
2. What are the symptoms of a P1655 code in a 1998 Honda Civic?
Common symptoms include poor throttle response, reduced engine performance, potential stalling, and the Check Engine Light illuminating.
3. What causes the P1655 code to appear on my Honda Civic?
This code is typically caused by a faulty throttle motor actuator, damaged wiring or connectors in the signal line, or issues with the vehicle's Engine Control Module (ECM).
4. Can I drive my 1998 Honda Civic with a P1655 code?
Driving with this code is not recommended, as it can lead to unsafe driving conditions due to throttle control issues.
5. How do I diagnose a P1655 code on my Honda Civic?
Start by inspecting the wiring and connectors to the throttle motor actuator for damage or corrosion, then test the actuator itself and check for ECM-related issues.
6. How do I fix a P1655 code on a 1998 Honda Civic?
Repairs may involve replacing a damaged throttle motor actuator, repairing or replacing faulty wiring, or reprogramming or replacing the ECM if necessary.
7. What tools do I need to troubleshoot a P1655 code?
You’ll need an OBDII scanner, a multimeter to test electrical connections, and potentially a service manual for wiring diagrams.
8. How much does it cost to fix a P1655 code on a Honda Civic?
The cost can range from $50 to $800, depending on whether you need to replace the throttle motor actuator, repair wiring, or replace the ECM.
9. Can a dirty throttle body cause the P1655 code?
While rare, excessive dirt or carbon buildup in the throttle body may indirectly contribute to actuator signal issues and should be addressed during diagnostics.
10. Does clearing the code with an OBDII scanner fix the problem?
Clearing the code will turn off the Check Engine Light temporarily, but the issue will likely return unless the underlying problem is repaired.
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