P0852 Subaru Code - Park/Neutral Position Switch Circuit High Voltage
Quick Answer
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. Common causes include Faulty Park/Neutral Safety Switch (Neutral Safety Switch), Park/Neutral Switch harness is open or shorted, Park/Neutral Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0852 Subaru indicates Park/Neutral Position Switch Circuit High Voltage.
- Common causes
- Common causes include Faulty Park/Neutral Safety Switch (Neutral Safety Switch), Park/Neutral Switch harness is open or shorted, Park/Neutral Switch circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0852 Subaru Description
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.
What are the Possible Causes of the DTC P0852 Subaru?
- Faulty Park/Neutral Safety Switch (Neutral Safety Switch)
- Park/Neutral Switch harness is open or shorted
- Park/Neutral Switch circuit poor electrical connection
How to Fix the DTC P0852 Subaru?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
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 Code?
Labor: 1.0
To diagnose the P0852 Subaru code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0852 Subaru code?
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Frequently Asked Questions about P0852 Subaru Code
1. What are common symptoms of OBDII code P0852 in a Subaru related to the Park/Neutral Position Switch Circuit High Voltage?
The common symptoms include difficulty starting the vehicle, the engine not cranking, the inability to shift out of Park, and the Check Engine Light being illuminated.
2. What are the possible causes of OBDII code P0852 in a Subaru?
The potential causes of this code include a faulty park/neutral position switch, damaged wiring or connectors in the circuit, a corroded switch terminal, or a malfunctioning PCM.
3. How can I diagnose the OBDII code P0852 in my Subaru?
You can diagnose this code by using a scan tool to read the code, checking the park/neutral position switch for proper operation, inspecting the wiring and connectors for any damage, and testing the voltage in the circuit.
4. Can I drive my Subaru with the OBDII code P0852 present?
It is not recommended to drive the vehicle with this code present, as it can lead to issues with starting the engine or shifting gears, potentially causing safety hazards.
5. How can I repair OBDII code P0852 in my Subaru?
To repair this code, you may need to replace the park/neutral position switch, repair any damaged wiring or connectors, clean any corroded terminals, and clear the code from the system using a scan tool.
6. Are there any DIY tips for fixing OBDII code P0852 in a Subaru?
While some basic troubleshooting steps can be done at home, it is recommended to consult a professional mechanic for proper diagnosis and repair of this code to ensure safety and accuracy.
7. Is OBDII code P0852 specific to Subarus only?
No, OBDII code P0852 related to the Park/Neutral Position Switch Circuit High Voltage can occur in various vehicle makes and models, not just limited to Subarus.
8. Can a faulty park/neutral position switch cause other issues in my Subaru?
Yes, a faulty park/neutral position switch can cause issues with starting the engine, shifting gears, and even affect the transmission's operation in a Subaru.
9. Will resetting the OBDII code P0852 clear the issue permanently?
Resetting the code may temporarily clear the Check Engine Light, but if the underlying issue causing the code is not addressed and repaired, it is likely to reoccur in the future.
10. How much does it typically cost to repair OBDII code P0852 in a Subaru?
The cost of repairing this code can vary depending on the extent of the issue and whether you do the repairs yourself or take the vehicle to a mechanic. It may involve parts replacement, wiring repairs, and diagnostic labor fees.
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