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Engine-Codes – Volvo – P0337 Volvo

P0337 Volvo Code - Crankshaft Position Sensor 'A' Circuit Low Input

Quick Answer

The P0337 diagnostic trouble code (DTC) for Volvo vehicles indicates that there is a low input signal detected in the crankshaft position sensor 'A' circuit. Common causes include Faulty crankshaft position sensor, Damaged sensor wiring or connectors, Poor electrical connection. 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
P0337 Volvo indicates Crankshaft Position Sensor 'A' Circuit Low Input.
Common causes
Common causes include Faulty crankshaft position sensor, Damaged sensor wiring or connectors, Poor electrical connection.
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 12, 2024
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Code P0337 Volvo Description

The P0337 diagnostic trouble code (DTC) for Volvo vehicles indicates that there is a low input signal detected in the crankshaft position sensor 'A' circuit. The crankshaft position sensor is a crucial component in the engine management system, as it provides the Engine Control Module (ECM) with data about the position and rotational speed of the crankshaft. This information is essential for the ECM to accurately control ignition timing and fuel injection.

OBDII Code P0337 Volvo - Crankshaft Position Sensor 'A' Circuit Low Input
P0337 Volvo Code - Crankshaft Position Sensor 'A' Circuit Low Input

Common Causes of P0337 Volvo

  1. Faulty crankshaft position sensor
  2. Damaged sensor wiring or connectors
  3. Poor electrical connection
  4. Corrosion or debris affecting sensor operation
  5. ECM software issues

Symptoms of P0337 Volvo

  1. Engine misfires
  2. Rough idle
  3. Poor acceleration
  4. Engine stalling
  5. Difficulty starting the engine

How to Fix P0337 Volvo

  1. Perform a visual inspection of the crankshaft position sensor and its wiring for any signs of damage or corrosion.
  2. Test the sensor's resistance and voltage output using a multimeter to determine if it is functioning correctly.
  3. Replace the crankshaft position sensor if it is found to be faulty.
  4. Clear the DTC from the ECM memory and reset the system.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the code does not reappear.

Cost to Fix P0337 Volvo

The typical repair costs for addressing a P0337 code in a Volvo vehicle can range from $100 to $300, depending on the specific cause of the issue and the cost of the replacement parts. This estimate includes the cost of a new crankshaft position sensor and any necessary labor for diagnosis and repair. However, it is important to note that repair costs can vary based on factors such as the location of the repair shop, the vehicle's make and model, and the type of engine. It is advisable to consult with a trusted auto repair professional to receive a more accurate estimate based on your specific circumstances. Remember that labor rates at auto repair shops can range from $80 to $150 per hour, with rates potentially higher at dealerships or in metropolitan areas and lower at independent shops.

What does this mean?

Tech Notes for P0337 Volvo

Sometimes and in some models, low battery voltage or a weak starter can trigger a Crankshaft Position Sensor code. Before replacing any parts, recharge or replaced battery.

When is the Code Detected?

The crankshaft position sensor (POS) signal sent to the Electronic Control Module (ECM) is low

Need more information about the P0337 Volvo code?

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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 P0337 Volvo Code

1. What are the common symptoms of OBDII code P0337 in a Volvo related to the Crankshaft Position Sensor 'A' Circuit Low Input?

- Common symptoms include rough idling, difficulty starting the engine, engine stalling, and a decrease in overall engine performance.

2. What are the possible causes of OBDII code P0337 in a Volvo?

- Possible causes include a faulty crankshaft position sensor, damaged wiring or connectors in the sensor circuit, engine timing issues, or a malfunctioning Engine Control Module (ECM).

3. How can I diagnose the issue causing OBDII code P0337 in my Volvo?

- Perform a visual inspection of the sensor and its wiring, check the sensor's resistance, test the sensor's voltage signal, and ensure proper engine timing.

4. Can driving with OBDII code P0337 in a Volvo cause further damage?

- Driving with this code can potentially lead to more serious engine problems, so it is recommended to address the issue promptly to prevent further damage.

5. How can I repair OBDII code P0337 in my Volvo?

- Repair options include replacing the crankshaft position sensor, repairing or replacing damaged wiring or connectors, correcting engine timing issues, or reprogramming the ECM if necessary.

6. Is it safe to continue driving my Volvo with OBDII code P0337 present?

- While it may be possible to drive with this code, it is not recommended as it can cause engine performance issues and potential further damage. It's best to address the problem promptly.

7. Can a DIY enthusiast fix OBDII code P0337 in a Volvo?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to replace the crankshaft position sensor or address wiring issues. However, more complex repairs may require professional assistance.

8. Will resetting the fault codes make OBDII code P0337 go away?

- Resetting the fault codes may temporarily clear the code, but it will likely reappear if the underlying issue causing the code is not resolved.

9. How long does it typically take to repair OBDII code P0337 in a Volvo?

- The repair time can vary depending on the specific cause of the code and the complexity of the repair. It may take anywhere from a few hours to a full day to complete the repair.

10. Is OBDII code P0337 a common issue in Volvos?

- While not extremely common, issues with the crankshaft position sensor leading to this code can occur in Volvos, especially in older models or vehicles with high mileage.

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