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Engine-Codes – Generic – P0348

P0348 Code - Camshaft Position Sensor 'A' Circuit High Input Bank 2

Quick Answer

The diagnostic trouble code P0348 indicates that there is a high input signal detected from the camshaft position sensor 'A' in bank 2 of the engine. Common causes include Faulty camshaft position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning 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
P0348 indicates Camshaft Position Sensor 'A' Circuit High Input Bank 2.
Common causes
Common causes include Faulty camshaft position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P0348 Description

The diagnostic trouble code P0348 indicates that there is a high input signal detected from the camshaft position sensor 'A' in bank 2 of the engine. The camshaft position sensor is responsible for monitoring the position of the camshaft in relation to the crankshaft, providing crucial data for the engine control module (ECM) to determine the correct timing of fuel injection and ignition. A high input signal typically means that the voltage being received by the ECM from the sensor is higher than the specified range, which can lead to incorrect engine timing and performance issues.

OBDII Code P0348 - Camshaft Position Sensor 'A' Circuit High Input Bank 2
P0348 Code - Camshaft Position Sensor 'A' Circuit High Input Bank 2

Common Causes of P0348

  1. Faulty camshaft position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Malfunctioning ECM
  4. Incorrect engine timing
  5. Mechanical engine issue affecting camshaft position

Symptoms of P0348

  1. Rough idling or engine vibration
  2. Misfires or hesitation during acceleration
  3. Engine stalling
  4. Decreased fuel efficiency
  5. Check Engine Light illuminated

How to Fix P0348

  1. Begin by conducting a visual inspection of the camshaft position sensor and its wiring to check for any visible damage or loose connections. Repair or replace any damaged components.
  2. Use a multimeter to test the voltage output of the camshaft position sensor 'A' in bank 2 to determine if it is within the specified range. Replace the sensor if it is out of range.
  3. Check the ECM for any fault codes related to the camshaft position sensor and perform a reset or reprogramming if necessary.
  4. Verify and adjust the engine timing as needed to ensure proper synchronization between the camshaft and crankshaft.
  5. Clear the diagnostic trouble codes from the ECM and perform a test drive to confirm that the issue has been resolved.

Cost to Fix P0348

The cost estimate for repairing the P0348 code can vary depending on the specific cause of the issue and the make and model of the vehicle. On average, the repair cost for replacing a camshaft position sensor can range from $100 to $300, including parts and labor. However, if additional components or wiring repairs are needed, the cost may increase accordingly. It is recommended to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the individual circumstances. Keep in mind that labor rates and diagnostic fees can vary, so it's advisable to inquire about these costs upfront.

What does this mean?

Tech Notes for P0348

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 sent to the Engine Control Module(ECM) is too high

Need more information about the P0348 code?

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Code P0348 Information for Specific Makes

  • P0348 Audi — Camshaft Position Sensor Intake Circuit High Bank 2
  • P0348 BMW — Camshaft Position Sensor 'A' Circuit High Input Bank 2
  • P0348 Lexus — Camshaft Position Sensor 'A' Circuit High Input Bank 2
  • P0348 MINI — Camshaft Position Sensor 'A' Circuit High Input Bank 2
  • P0348 Scion — Camshaft Position Sensor 'A' Circuit High Input Bank 2
  • P0348 Toyota — Camshaft Position Sensor 'A' Circuit High Input Bank 2
  • P0348 Volkswagen — Camshaft Position Sensor Intake Circuit High Bank 2
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 P0348 Code

1. What are common symptoms of OBDII code P0348?

Symptoms of this code may include engine stalling, rough idling, poor acceleration, and difficulty starting the vehicle.

2. What are the possible causes of OBDII code P0348?

The code could be triggered by a faulty camshaft position sensor, damaged wiring or connectors, low engine oil level, or issues with the engine control module (ECM).

3. How can I diagnose the cause of OBDII code P0348?

Diagnostic steps may include checking the camshaft position sensor for proper operation, inspecting the sensor's wiring for damage, and testing the ECM for any faults.

4. Can a dirty camshaft position sensor cause code P0348?

Yes, a dirty or contaminated camshaft position sensor can lead to inaccurate readings and trigger the high input circuit code P0348.

5. Is it safe to continue driving with OBDII code P0348 present?

It is not recommended to drive with this code active, as it can lead to further engine performance issues and potential damage if left unresolved.

6. What is the typical repair for OBDII code P0348?

Repair usually involves replacing the camshaft position sensor, repairing any damaged wiring or connectors, and clearing the code from the ECM.

7. Can I reset OBDII code P0348 without fixing the underlying issue?

While you can clear the code using an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring.

8. Can a DIY enthusiast fix OBDII code P0348 at home?

Depending on your mechanical skills and equipment, replacing the camshaft position sensor or repairing wiring issues related to the code may be possible for some DIY enthusiasts.

9. How much does it typically cost to repair OBDII code P0348 at a mechanic?

Costs can vary depending on the labor rates and parts prices, but repairing OBDII code P0348 at a mechanic may range from $100 to $300, excluding diagnostic fees.

10. What other codes might be related to OBDII code P0348?

Related codes may include P0340 (Camshaft Position Sensor 'A' Circuit Malfunction), P0341 (Camshaft Position Sensor 'A' Circuit Range/Performance), and P0342 (Camshaft Position Sensor 'A' Circuit Low Input).

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