Park/Neutral Position Switch Circuit High Voltage
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 do I fix code 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’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
Cost of diagnosing the P0852 SUBARU code
The cost of diagnosing the P0852 SUBARU code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0852 SUBARU Description
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.