Engine-Codes - Subaru - P0852 Subaru

P0852 Subaru Code - Park/Neutral Position Switch Circuit High Voltage

- Code Popularity: 27,998 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC P0852 Subaru?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Park/Neutral Safety Switch (Neutral Safety Switch)
  • Park/Neutral Switch harness is open or shorted
  • Park/Neutral Switch circuit poor electrical connection

Code Tech Notes

There is a Factory Service Bulletin for the following Subaru models:
2005-2008 Subaru Legacy
2005-2008 Subaru Outback
2005-2008 Subaru Impreza
2005-2008 Subaru Forester
Subaru Factory Service Bulletin OBDII Code P0852

⚠ Does your Subaru have Safety Recalls? → Check here

How to Fix the DTC P0852 Subaru?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Search for P0852 Subaru Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0852 Subaru code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P0852 Subaru Code Mean?

Automatic Transmission: The Park/Neutral Safety Switch is in line with the engine starter circuit and informs the ECM whether the vehicle is in the park or neutral position. If the Park/Neutral Safety Switch is in any other position, the engine will not start. The Diagnostic Trouble Code (DTC) sets when the Engine Control Module (ECM) detects a high voltage signal in the Park/Neutral Safety Switch circuit.

Manual Transmission: The Neutral Safety Switch is in line with the engine starter circuit and informs the ECM whether the vehicle is in the neutral position or not. If the neutral safety switch is not engaged, the engine will not start. The DTC sets when the ECM detects a high voltage signal in the Neutral Safety Switch circuit.

P0852 Subaru Code - Park/Neutral Position Switch Circuit High Voltage

Need more Information on the Code?

Need more information on how to fix the P0852 Subaru code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0852 Subaru code diagnosed by a professional: Find a repair shop in your area