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P0347 Lexus Code - Camshaft Position Sensor 'A' Circuit Low Input Bank 2

Quick Answer

The P0347 code in a Lexus indicates a problem with the Camshaft Position Sensor 'A' Circuit Low Input Bank 2. Common causes include Faulty camshaft position sensor, Wiring harness issues, 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
P0347 Lexus indicates Camshaft Position Sensor 'A' Circuit Low Input Bank 2.
Common causes
Common causes include Faulty camshaft position sensor, Wiring harness issues, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0347 Lexus Description

The P0347 code in a Lexus indicates a problem with the Camshaft Position Sensor 'A' Circuit Low Input Bank 2. This sensor is responsible for monitoring the position of the camshaft in relation to the crankshaft, allowing the engine control module (ECM) to adjust fuel injection timing and ignition timing. When the sensor detects a low voltage input signal, it means that there is an issue with the circuit that may be causing inaccurate readings or no readings at all.

OBDII Code P0347 Lexus - Camshaft Position Sensor 'A' Circuit Low Input Bank 2
P0347 Lexus Code - Camshaft Position Sensor 'A' Circuit Low Input Bank 2

Common Causes of P0347 Lexus

  1. Faulty camshaft position sensor
  2. Wiring harness issues
  3. Poor electrical connections
  4. Internal engine problems
  5. ECM malfunction

Symptoms of P0347 Lexus

  1. Engine misfires
  2. Rough idling
  3. Stalling
  4. Poor fuel efficiency
  5. Difficulty starting

How to Fix P0347 Lexus

  1. Begin by diagnosing the exact cause of the issue using a scan tool to read the trouble codes and perform further testing if necessary.
  2. Inspect the wiring harness for any signs of damage or corrosion and repair or replace as needed.
  3. Check the electrical connections related to the camshaft position sensor and ensure they are secure and free of debris.
  4. Replace the camshaft position sensor if it is found to be faulty, ensuring to install the new sensor correctly.
  5. Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0347 Lexus

The typical repair costs for addressing a P0347 code in a Lexus can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $100 to $300 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain a few quotes from different shops to get a more accurate estimate.

What does this mean?

Tech Notes for P0347 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 sent the Engine Control Module(ECM) is too low

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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 P0347 Lexus Code

1. What are the common symptoms of OBDII code P0347 in a Lexus related to the Camshaft Position Sensor 'A' Circuit Low Input Bank 2?

- Common symptoms include rough idling, poor engine performance, stalling, difficulty starting the vehicle, and potential loss of power.

2. What are the possible causes of OBDII code P0347 in a Lexus?

- The code P0347 can be caused by a faulty camshaft position sensor, damaged wiring or connectors, issues with the camshaft position actuator, or a problem with the engine control module (ECM).

3. How can I diagnose the OBDII code P0347 in a Lexus?

- To diagnose the code P0347, you can use a diagnostic scanner to retrieve the trouble codes and examine the camshaft position sensor, wiring, and connectors for any visible damage or wear.

4. Can I drive my Lexus with OBDII code P0347 present?

- It is not recommended to drive your Lexus with the code P0347 (Camshaft Position Sensor 'A' Circuit Low Input Bank 2) present, as it can lead to further engine damage and potential safety risks.

5. How can I repair OBDII code P0347 in my Lexus?

- Repairing the code P0347 involves replacing the faulty camshaft position sensor, repairing any damaged wiring or connectors, and clearing the trouble codes with a diagnostic scanner.

6. What are some tips to prevent OBDII code P0347 from reoccurring in my Lexus?

- To prevent the code P0347 from reoccurring, it's important to regularly maintain your vehicle, check the camshaft position sensor and related components for wear, and address any engine performance issues promptly.

7. Is it safe to continue driving my Lexus if the check engine light is on due to OBDII code P0347?

- It is not recommended to continue driving your Lexus if the check engine light is on due to code P0347, as it can indicate potential issues with the camshaft position sensor that may affect engine performance.

8. How much does it typically cost to repair OBDII code P0347 in a Lexus?

- The cost to repair OBDII code P0347 in a Lexus can vary depending on the extent of the damage and the specific components that need to be replaced, but it typically ranges from $100 to $300 for parts and labor.

9. Can a DIY enthusiast replace the camshaft position sensor to fix OBDII code P0347 in a Lexus?

- Yes, a DIY enthusiast with the necessary tools and mechanical knowledge can replace the camshaft position sensor to fix OBDII code P0347 in a Lexus. However, it's important to follow proper procedures and ensure the sensor is installed correctly.

10. How long does it take to repair OBDII code P0347 in a Lexus at a professional auto repair shop?

- The repair time for OBDII code P0347 in a Lexus at a professional auto repair shop can vary, but it typically takes around 1-2 hours to diagnose, replace the camshaft position sensor, and clear the trouble codes.

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