P0237 Code - Turbocharger/Supercharger Boost Sensor 'A' Circuit Low

Quick Answer

The OBD-II trouble code P0237 indicates that the Engine Control Module (ECM) has detected a low voltage condition in the Turbocharger/Supercharger Boost Sensor 'A' circuit. Common causes include Faulty turbocharger/supercharger boost sensor, Damaged wiring or connectors in the sensor circuit, Loose or corroded 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

P0237 indicates Turbocharger/Supercharger Boost Sensor 'A' Circuit Low.

Common causes

Common causes include Faulty turbocharger/supercharger boost sensor, Damaged wiring or connectors in the sensor circuit, Loose or corroded 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.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• FAQs
• Comments
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Common Causes of P0237

Symptoms of P0237

How to Fix P0237

Cost to Fix P0237

When is the Code Detected?

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Code P0237 Information for Specific Makes

• P0237 Acura — Turbocharger Boost Sensor Circuit Low Voltage
• P0237 Chevrolet — Turbocharger Boost Sensor Circuit Low Voltage
• P0237 Chrysler — MAP Sensor Voltage Too Low
• P0237 Dodge — MAP Sensor Too High Too Long
• P0237 GMC — Turbocharger Boost Sensor Circuit Low Voltage
• P0237 Honda — Turbocharger Boost Sensor Circuit Low Voltage
• P0237 Isuzu — Turbocharger Boost Sensor Circuit Low Voltage
• P0237 Jeep — MAP Sensor Too High Too Long
• P0237 Mercedes-Benz — Turbocharger/Supercharger Boost Sensor 'A' Circuit Low
• P0237 Nissan — Turbocharger Boost Sensor Circuit Low
• P0237 RAM — MAP Sensor Too High Too Long
• P0237 Volkswagen — Turbo/Super Charger Boost Sensor 'A' Circuit Low

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 P0237 Code

1. What are the common symptoms of OBDII code P0237?

- Common symptoms include a lack of power, reduced fuel efficiency, engine stalling, and the vehicle going into limp mode.

2. What can cause the Turbocharger/Supercharger Boost Sensor 'A' Circuit Low code P0237?

- Causes can include a faulty boost sensor, damaged wiring or connectors, a vacuum leak, or a problem with the turbo/supercharger itself.

3. How can I diagnose the Turbocharger/Supercharger Boost Sensor 'A' Circuit Low code P0237?

- Diagnosis typically involves checking the boost sensor, inspecting the wiring and connectors, and performing a boost pressure test.

4. Can driving with OBDII code P0237 cause further damage to my vehicle?

- Continuing to drive with this code can potentially cause damage to the engine or turbo/supercharger components due to incorrect air/fuel ratios.

5. What are some repair tips for addressing OBDII code P0237?

- Repair tips may include replacing the boost sensor, repairing/replacing damaged wiring, fixing vacuum leaks, and ensuring proper turbo/supercharger operation.

6. Is it safe to continue driving my vehicle with the Turbocharger/Supercharger Boost Sensor 'A' Circuit Low code P0237?

- It is not recommended to drive the vehicle with this code present, as it can lead to performance issues and potential engine damage.

7. How much does it typically cost to repair OBDII code P0237?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

8. Can I reset OBDII code P0237 with a simple scan tool?

- Yes, you can reset the code with an OBDII scan tool, but it is important to diagnose and address the underlying issue to prevent the code from returning.

9. Will OBDII code P0237 cause my check engine light to illuminate?

- Yes, this code will trigger the check engine light to illuminate on the dashboard to alert you of a potential issue with the turbocharger/supercharger boost sensor circuit.

10. How long does it take to repair OBDII code P0237?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair, but it may take anywhere from 1 to 4 hours at a repair shop.