Engine-Codes.com
Engine-Codes – Subaru – P0817 Subaru

P0817 Subaru Code - Starter Disable Circuit

Quick Answer

The P0817 code for Subaru vehicles refers to an issue with the starter disable circuit. Common causes include Faulty starter disable relay, Malfunctioning neutral safety switch, Wiring issues in the starter disable circuit. 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
P0817 Subaru indicates Starter Disable Circuit.
Common causes
Common causes include Faulty starter disable relay, Malfunctioning neutral safety switch, Wiring issues in the starter disable circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0817 Subaru Description

The P0817 code for Subaru vehicles refers to an issue with the starter disable circuit. This circuit is responsible for preventing the starter motor from engaging when certain conditions are not met, such as the transmission being in the correct gear or the vehicle's security system being activated. When this code is triggered, it means that the Engine Control Module (ECM) has detected a malfunction in the starter disable circuit, which can lead to starting problems and potentially immobilize the vehicle.

OBDII Code P0817 Subaru - Starter Disable Circuit
P0817 Subaru Code - Starter Disable Circuit

Common Causes of P0817 Subaru

  1. Faulty starter disable relay.
  2. Malfunctioning neutral safety switch.
  3. Wiring issues in the starter disable circuit.
  4. Faulty ignition switch.
  5. ECM software glitch.

Symptoms of P0817 Subaru

  1. Engine does not start when the key is turned.
  2. Starter engages even when the transmission is in gear.
  3. Vehicle starts intermittently.
  4. Security system light stays on or flashes when trying to start the engine.

How to Fix P0817 Subaru

  1. Begin by diagnosing the exact cause of the P0817 code using a diagnostic scanner to pinpoint the faulty component.
  2. Check the starter disable relay and replace it if necessary.
  3. Inspect the neutral safety switch and wiring for any damage or corrosion, replacing or repairing as needed.
  4. Test the ignition switch for proper functionality and replace if found to be faulty.
  5. Clear the code from the ECM's memory and test the vehicle to ensure the issue has been resolved.

Cost to Fix P0817 Subaru

The cost of repairing a P0817 code on a Subaru vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $100 and $300 for parts and labor. However, prices can fluctuate based on the severity of the problem and the need for additional diagnostics or repairs. It's recommended to consult with a qualified mechanic or dealership to get an accurate estimate for your particular situation.

Need more information about the P0817 Subaru code?

Need more information on how to fix the P0817 Subaru code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0817 Subaru code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0817 Subaru Code

1. What does the OBDII code P0817 mean on a Subaru?

P0817 indicates an issue with the Starter Disable Circuit, which prevents the starter from engaging under certain conditions, typically related to safety or security systems.

2. What are the common symptoms of code P0817 in a Subaru?

Symptoms may include a vehicle that won't start, intermittent starting issues, or the engine cranking but not starting.

3. What causes code P0817 in a Subaru?

Common causes include a faulty starter disable relay, damaged wiring or connectors in the starter disable circuit, or issues with the security system or neutral safety switch.

4. How can I diagnose code P0817 on my Subaru?

Start by inspecting the wiring and connectors in the starter disable circuit for damage or corrosion, then test the starter disable relay and associated components.

5. Can a faulty neutral safety switch trigger code P0817 in a Subaru?

Yes, a malfunctioning neutral safety switch can cause this code by disrupting the starter disable circuit.

6. Is code P0817 related to the Subaru security system?

Yes, the security system can be involved, as it may prevent the starter from engaging if it detects unauthorized access or a fault.

7. How do I fix code P0817 on a Subaru?

Repairs may include replacing the starter disable relay, repairing damaged wiring, or addressing issues with the neutral safety switch or security system.

8. Can code P0817 prevent the vehicle from starting?

Yes, this code can prevent the starter from engaging, making it impossible to start the vehicle.

9. Is code P0817 serious enough to require immediate attention?

Yes, since it can leave the vehicle unable to start, addressing this code promptly is important to avoid being stranded.

10. How much does it typically cost to repair code P0817 on a Subaru?

Costs vary depending on the exact cause but may range from $100 to $400 for diagnostics and repairs, excluding labor.

Discuss the causes and fixes for P0817 Subaru OBDII Code

Submit a New Comment

Code P0817 Subaru comments

No comments found for this page.