Engine-CodesSubaru – P0345 Subaru

P0345 Subaru Code - Camshaft Position Sensor 'A' Circuit Signal Fault Bank 2

Quick Answer

The P0345 code for Subaru vehicles indicates a problem with the Camshaft Position Sensor 'A' Circuit Signal Fault in Bank 2. Common causes include Faulty camshaft position sensor, Damaged wiring or connectors, Poor connection between sensor and ECM. 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
P0345 Subaru indicates Camshaft Position Sensor 'A' Circuit Signal Fault Bank 2.
Common causes
Common causes include Faulty camshaft position sensor, Damaged wiring or connectors, Poor connection between sensor and ECM.
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.
Table of contents Created and updated by William Orellana on Sep 12, 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 P0345 Subaru Description

The P0345 code for Subaru vehicles indicates a problem with the Camshaft Position Sensor 'A' Circuit Signal Fault in Bank 2. This means that the engine control module (ECM) has detected a malfunction in the signal coming from the camshaft position sensor in the second bank of cylinders. The camshaft position sensor plays a crucial role in the engine's operation by providing the ECM with information about the camshaft's position and speed. This data is essential for the proper timing of fuel injection and ignition, ensuring the engine runs smoothly and efficiently.

OBDII Code P0345 Subaru - Camshaft Position Sensor 'A' Circuit Signal Fault Bank 2
P0345 Subaru Code - Camshaft Position Sensor 'A' Circuit Signal Fault Bank 2

Common Causes of P0345 Subaru

  1. Faulty camshaft position sensor
  2. Damaged wiring or connectors
  3. Poor connection between sensor and ECM
  4. ECM malfunction
  5. Timing belt or chain issues affecting camshaft position

Symptoms of P0345 Subaru

  1. Engine misfires or rough idling
  2. Reduced engine power
  3. Hesitation or stumbling during acceleration
  4. Engine stalling or difficulty starting

How to Fix P0345 Subaru

  1. Begin by diagnosing the specific cause of the P0345 code using a diagnostic scan tool to pinpoint the exact issue.
  2. Inspect the camshaft position sensor and its wiring for any signs of damage or corrosion. Replace the sensor if necessary.
  3. Check the wiring harness and connectors for any loose connections or disrepair. Repair or replace as needed.
  4. Test the signal between the sensor and ECM to ensure proper communication. Repair any faults in the signal pathway.
  5. Clear the diagnostic trouble codes from the ECM and test the vehicle to confirm that the issue has been resolved.

Cost to Fix P0345 Subaru

The cost of repairing a P0345 code in a Subaru can vary depending on the specific cause of the issue and the parts and labor required. On average, the repair costs for this type of problem can range from $150 to $400, including the cost of a new camshaft position sensor if needed. It's important to consider that labor rates at auto repair shops can vary, so it's advisable to obtain quotes from multiple sources to get a more accurate estimate for your specific situation.

Tech Notes for P0345 Subaru

Sometimes and in some models, low battery voltage or a weak starter can trigger a Camshaft Position Sensor code.

When is the Code Detected?

The camshaft position sensor signal is not detected by the Engine Control Module(ECM) during the first few seconds of engine cranking

Need more information about the P0345 Subaru code?

Need more information on how to fix the P0345 Subaru code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0345 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 P0345 Subaru Code

1. What are the common symptoms of OBDII code P0345 in a Subaru related to the Camshaft Position Sensor 'A' Circuit Signal Fault Bank 2?

- Common symptoms include rough idling, engine misfires, loss of power, and difficulty starting the vehicle.

2. What are the potential causes of OBDII code P0345 in a Subaru?

- Possible causes include a faulty camshaft position sensor, damaged wiring or connectors, issues with the timing belt or chain, or a problem with the engine control module (ECM).

3. How can I diagnose the Camshaft Position Sensor 'A' Circuit Signal Fault Bank 2 issue in my Subaru?

- You can diagnose the problem by using an OBDII scanner to read the trouble codes, visually inspecting the sensor and its wiring, and performing voltage and continuity tests on the sensor circuit.

4. Can I continue driving my Subaru with OBDII code P0345 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further engine damage and potential safety issues. It's best to address the problem promptly.

5. How do I repair OBDII code P0345 in my Subaru?

- To repair the issue, you may need to replace the camshaft position sensor, repair or replace damaged wiring, address any timing belt or chain issues, or reprogram the ECM if necessary.

6. Are there any maintenance tips to prevent OBDII code P0345 in my Subaru?

- Regularly inspecting and replacing the camshaft position sensor as part of your vehicle's maintenance schedule can help prevent the occurrence of this fault code.

7. Can a DIY enthusiast fix OBDII code P0345 in a Subaru?

- Depending on your skill level and experience, you may be able to replace the camshaft position sensor yourself. However, diagnosing and repairing wiring or ECM issues may require professional assistance.

8. How much does it typically cost to repair OBDII code P0345 in a Subaru?

- The cost of repairing this code can vary depending on the cause of the issue and whether you perform the repairs yourself or take your vehicle to a mechanic. Costs may range from $100 to $500 or more.

9. Will resetting the trouble codes make OBDII code P0345 disappear permanently?

- Resetting the trouble codes may temporarily clear the code, but if the underlying issue causing the fault code is not addressed, it is likely to reappear after driving the vehicle for some time.

10. How long does it take to repair OBDII code P0345 in a Subaru?

- The repair time can vary depending on the specific cause of the fault code and the complexity of the repair needed. In general, it may take a few hours to a day to complete the repair.

Discuss the causes and fixes for P0345 Subaru OBDII Code

Code P0345 Subaru comments

No comments found for this page.