Subaru OBD-II 1996 & Newer models DTC P1704 – 2-4 Brake Timing Solenoid Valve Circuit Malfunction
DTC P1704 meaning on Subaru OBD-II 1996 & Newer models
DTC P1704 indicates a malfunction in the 2-4 Brake Timing Solenoid Valve Circuit in Subaru vehicles equipped with OBD-II systems from 1996 onwards.
Subaru OBD-II 1996 & Newer models DTC P1704 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Transmission shifting issues
- Harsh or delayed shifting
Subaru OBD-II 1996 & Newer models DTC P1704 causes
- Faulty 2-4 Brake Timing Solenoid Valve
- Wiring or connector issues in the solenoid circuit
- Internal transmission problems
Subaru OBD-II 1996 & Newer models DTC P1704 seriousness
The seriousness of DTC P1704 lies in its potential to cause transmission performance issues, leading to poor driving experience and potential long-term damage if left unresolved.
How to diagnose DTC P1704 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the trouble codes
- Inspect the 2-4 Brake Timing Solenoid Valve and its wiring for any visible damage
- Check the transmission fluid level and condition
- Perform a thorough inspection of the transmission system for any other related issues
How to fix DTC P1704 on Subaru OBD-II 1996 & Newer models
- Replace the faulty 2-4 Brake Timing Solenoid Valve
- Repair or replace any damaged wiring or connectors in the solenoid circuit
- Address any internal transmission problems if identified
- Clear the trouble codes and test drive the vehicle to ensure the issue is resolved
How to erase DTC P1704 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to clear the trouble codes
- Alternatively, disconnect the vehicle’s battery for a few minutes to reset the system and clear the codes
- Ensure the underlying issue causing the DTC has been addressed before clearing the code