Subaru P1516: ISC Solenoid Valve Signal No. 4 Circuit Malfunction (low input)
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Subaru P1516: ISC Solenoid Valve Signal No. 4 Circuit Malfunction (low input)
OVERVIEWWhat Does The Subaru P1516 Code Mean?
Key on or engine running; and the PCM detected an unexpected “low” condition on the IAC solenoid Signal 4 circuit during the test.
What Are The Potential Causes Of The Subaru P1516 Code?
- Check power supply to idle air control solenoid valve
- Check harness between ECM and idle control solenoid valve connector
- Check poor contact
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Subaru 22650AA182 Idle Air Control Valve
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE FOR P1516 – Pages 164-165.
