Honda DTC P1655 – SEAF/SEFA/TMA/TMB Signal Line Failure
DTC P1655 meaning on Honda
DTC P1655 on a Honda refers to a signal line failure related to the SEAF (Secondary Engine Airflow) / SEFA (Secondary Engine Airflow) / TMA (Transmission Range) / TMB (Transmission Range) circuits.
Honda DTC P1655 symptoms
- Check Engine Light (MIL) illuminated
- Engine may run in a reduced performance mode
- Transmission may not shift properly
Honda DTC P1655 causes
- Wiring harness issues
- Connector problems
- Faulty SEAF/SEFA/TMA/TMB sensors
- ECU (Engine Control Unit) malfunction
Honda DTC P1655 seriousness
The seriousness of DTC P1655 lies in the potential for drivability issues and the risk of further damage if left unresolved. It is recommended to address this issue promptly to avoid complications.
How to diagnose DTC P1655 on Honda
- Use a scan tool to retrieve the DTC and freeze frame data
- Inspect the wiring harness and connectors for any visible damage or corrosion
- Test the SEAF/SEFA/TMA/TMB sensors for proper operation
- Check the ECU for any faults or malfunctions
How to fix DTC P1655 on Honda
- Repair or replace any damaged wiring harness or connectors
- Replace faulty SEAF/SEFA/TMA/TMB sensors
- If ECU is diagnosed as the issue, reprogram or replace it as necessary
- Clear the DTC and test drive the vehicle to ensure the issue is resolved
How to erase DTC P1655 on Honda
- Use a scan tool to clear the DTC from the ECU memory
- Perform a test drive to confirm the DTC does not return
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