Engine-Codes - Subaru - P0852 SUBARU

P0852 SUBARU - Park/Neutral Position Switch Circuit High Voltage

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0852 SUBARU Possible Causes

  • Faulty Park/Neutral Safety Switch (Neutral Safety Switch)
  • Park/Neutral Switch harness is open or shorted
  • Park/Neutral Switch circuit poor electrical connection

How is the P0852 SUBARU code repair?

Start by checking 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's pins.

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

What is the cost to diagnose the P0852 SUBARU code

Labor: 1.0

The cost to diagnose the P0852 SUBARU code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

P0852 SUBARU Meaning

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.

More Information

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