P1103 – Subaru OBD-II 1996 & Newer models DTC

Subaru OBD-II 1996 & Newer models DTC P1103 – Pressure Sources Switching Solenoid Valve Circuit

DTC P1103 meaning on Subaru OBD-II 1996 & Newer models

DTC P1103 indicates a fault in the Pressure Sources Switching Solenoid Valve Circuit in Subaru vehicles equipped with OBD-II systems from 1996 onwards.

Subaru OBD-II 1996 & Newer models DTC P1103 symptoms

  • Check Engine Light (CEL) illuminated on the dashboard
  • Engine may run rough or stall
  • Reduced engine performance
  • Increased fuel consumption

Subaru OBD-II 1996 & Newer models DTC P1103 causes

  • Faulty Pressure Sources Switching Solenoid Valve
  • Wiring or connector issues in the solenoid valve circuit
  • ECU (Engine Control Unit) malfunction

Subaru OBD-II 1996 & Newer models DTC P1103 seriousness

The seriousness of DTC P1103 lies in its potential to affect engine performance and emissions. Ignoring this code can lead to further damage and decreased efficiency.

How to diagnose DTC P1103 on Subaru OBD-II 1996 & Newer models

  • Use an OBD-II scanner to retrieve the specific fault code
  • Inspect the Pressure Sources Switching Solenoid Valve and its wiring for any visible damage
  • Check the ECU for any stored error codes related to the solenoid valve circuit

How to fix DTC P1103 on Subaru OBD-II 1996 & Newer models

  • Replace the faulty Pressure Sources Switching Solenoid Valve
  • Repair any damaged wiring or connectors in the solenoid valve circuit
  • If ECU malfunction is suspected, consult a professional for further diagnosis and repair

How to erase DTC P1103 on Subaru OBD-II 1996 & Newer models

  • Use an OBD-II scanner to clear the fault code after the underlying issue has been resolved
  • Ensure the repair has been successful by monitoring the system for any recurring codes or symptoms

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

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