P1704 – Subaru OBD-II 1996 & Newer models DTC

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

1. Use an OBD-II scanner to retrieve the trouble codes
2. Inspect the 2-4 Brake Timing Solenoid Valve and its wiring for any visible damage
3. Check the transmission fluid level and condition
4. 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

1. Replace the faulty 2-4 Brake Timing Solenoid Valve
2. Repair or replace any damaged wiring or connectors in the solenoid circuit
3. Address any internal transmission problems if identified
4. 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

1. Use an OBD-II scanner to clear the trouble codes
2. Alternatively, disconnect the vehicle’s battery for a few minutes to reset the system and clear the codes
3. Ensure the underlying issue causing the DTC has been addressed before clearing the code

Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics

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Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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