Engine-CodesLexus – P0345 Lexus

P0345 Lexus Code - Camshaft Position Sensor 'A' Circuit Bank 2

Quick Answer

The P0345 diagnostic trouble code for a Lexus indicates a problem with the Camshaft Position Sensor 'A' Circuit Bank 2. Common causes include Faulty camshaft position sensor, Damaged or corroded sensor wiring, Loose or poor electrical connections. 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 Lexus indicates Camshaft Position Sensor 'A' Circuit Bank 2.
Common causes
Common causes include Faulty camshaft position sensor, Damaged or corroded sensor wiring, Loose or poor electrical connections.
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 08, 2024
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Code P0345 Lexus Description

The P0345 diagnostic trouble code for a Lexus indicates a problem with the Camshaft Position Sensor 'A' Circuit Bank 2. The camshaft position sensor plays a crucial role in monitoring the position of the camshaft in relation to the crankshaft, ensuring proper engine timing and fuel delivery. In this case, the code specifically refers to the sensor circuit in bank 2 of the engine.

OBDII Code P0345 Lexus - Camshaft Position Sensor 'A' Circuit Bank 2
P0345 Lexus Code - Camshaft Position Sensor 'A' Circuit Bank 2

Common Causes of P0345 Lexus

  1. Faulty camshaft position sensor
  2. Damaged or corroded sensor wiring
  3. Loose or poor electrical connections
  4. ECM malfunction
  5. Timing belt or chain issues affecting camshaft timing

Symptoms of P0345 Lexus

  1. Rough idling
  2. Engine stalling
  3. Misfiring
  4. Decreased engine power
  5. Difficulty starting the engine

How to Fix P0345 Lexus

  1. Perform a diagnostic scan to confirm the P0345 code and pinpoint the exact cause of the issue.
  2. Inspect the camshaft position sensor and its wiring for any damage, corrosion, or loose connections.
  3. Test the sensor's functionality using a multimeter to check for proper resistance and voltage output.
  4. Replace the camshaft position sensor if it is found to be faulty, ensuring the new sensor is properly calibrated and installed.
  5. Clear the diagnostic trouble codes from the ECM and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0345 Lexus

The cost of repairing a P0345 code on a Lexus can vary depending on the specific model, the labor rates in your area, and whether genuine OEM parts are used. On average, you can expect to pay between $150 to $300 for a new camshaft position sensor, plus additional costs for labor which can range from $100 to $200. Overall, the total repair cost could be anywhere from $250 to $500. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate for your specific situation.

Tech Notes for P0345 Lexus

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

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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 Lexus Code

1. What are the common symptoms of OBDII code P0345 in a Lexus related to the camshaft position sensor 'A' circuit bank 2?

- Common symptoms include engine misfires, rough idling, poor acceleration, and potential stalling.

2. What are some possible causes of OBDII code P0345 in a Lexus?

- Possible causes include a faulty camshaft position sensor, wiring issues, sensor connection problems, or issues with the engine control module (ECM).

3. How can I diagnose the cause of OBDII code P0345 in my Lexus?

- You can diagnose the issue by performing a visual inspection of the sensor and its wiring, testing the sensor's voltage, checking for any loose connections, and using a scan tool to monitor the sensor's data.

4. Can I continue driving my Lexus with OBDII code P0345 triggered?

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

5. How can I repair OBDII code P0345 in my Lexus?

- Repairing this code typically involves replacing the camshaft position sensor 'A' for bank 2, addressing any wiring or connection issues, and clearing the code with a diagnostic tool.

6. Are there any DIY tips for fixing OBDII code P0345 in a Lexus?

- While some may attempt to replace the camshaft position sensor themselves, it's recommended to consult a professional mechanic for accurate diagnosis and repair to ensure the issue is resolved correctly.

7. How much does it cost to repair OBDII code P0345 in a Lexus at a mechanic?

- The cost of repairing this code can vary depending on the labor rates and parts prices, but it typically ranges from $150 to $300 for parts and labor.

8. Will resetting the OBDII code P0345 in my Lexus make the issue go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not fixed, it is likely to reappear after driving the vehicle again.

9. Is OBDII code P0345 in a Lexus a serious problem?

- While the severity can vary, it is generally recommended to address this code promptly to prevent potential engine performance issues and to maintain the overall health of your vehicle.

10. Can a faulty camshaft position sensor 'A' circuit bank 2 impact the fuel efficiency of a Lexus?

- Yes, a malfunctioning camshaft position sensor can impact fuel efficiency by causing improper fuel injection timing, leading to decreased miles per gallon and overall performance issues.

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