Subaru OBD-II 1996 & Newer models DTC P1517 – Idle Air Control Solenoid Signal 4 Circuit High Input
DTC P1517 meaning on Subaru OBD-II 1996 & Newer models
DTC P1517 indicates an issue with the Idle Air Control (IAC) solenoid signal circuit on Subaru vehicles equipped with OBD-II systems from 1996 onwards.
Subaru OBD-II 1996 & Newer models DTC P1517 symptoms
- Engine stalling at idle
- High or erratic idle speed
- Poor engine performance
- Check Engine Light (CEL) illuminated
Subaru OBD-II 1996 & Newer models DTC P1517 causes
- Faulty Idle Air Control (IAC) solenoid
- Open or short circuit in the IAC solenoid wiring
- Corrosion or poor connections in the IAC solenoid circuit
Subaru OBD-II 1996 & Newer models DTC P1517 seriousness
The seriousness of DTC P1517 lies in its potential to cause drivability issues and affect the overall performance of the vehicle. Ignoring this DTC can lead to further engine problems and decreased fuel efficiency.
How to diagnose DTC P1517 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the trouble code
- Inspect the IAC solenoid and its wiring for any visible damage or corrosion
- Check the resistance of the IAC solenoid using a multimeter
- Perform a thorough inspection of the IAC system components for any other potential issues
How to fix DTC P1517 on Subaru OBD-II 1996 & Newer models
- Replace the faulty Idle Air Control (IAC) solenoid
- Repair any open or short circuits in the IAC solenoid wiring
- Clean or repair any corroded connections in the IAC solenoid circuit
- Clear the trouble code and test the vehicle to ensure the issue has been resolved
How to erase DTC P1517 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to clear the trouble code
- Alternatively, disconnect the vehicle’s battery for a few minutes to reset the ECU and clear the code
- 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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