Subaru P1591: Neutral Position Switch Circuit Low Output
Is your scanner showing Subaru P1591?
No worries. We'll show you what it means and how to deal with it.
Subaru P1591: Neutral Position Switch Circuit Low Output
OVERVIEWWhat Does The Subaru P1591 Code Mean?
Key on, and the PCM detected an unexpected “low” voltage condition on the A/T Neutral Position Switch circuit during the test. Note: The engine will not start with this condition present.
What Are The Potential Causes Of The Subaru P1591 Code?
- Check any other DTC on display
- Check input signal of ECM
- Check harness between ECM and transmission harness connector
- Check switch
- Check selector cable connection
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
>>> INNOVA 5210
>>> 31918 AA090 Genuine Subaru Inhibitor Switch/ AT Neutral Safety Switch
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2001 FORESTER SERVICE MANUAL FOR P1591 – Pages 331-332.
