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Engine-Codes – Buick – P1375 Buick

P1375 Buick Code - IC 24X Reference Circuit High Voltage

Quick Answer

The P1375 Buick code refers to an issue with the IC 24X reference circuit in the vehicle. Common causes include Faulty IC 24X reference circuit sensor, Short or open circuit in the wiring, 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
P1375 Buick indicates IC 24X Reference Circuit High Voltage.
Common causes
Common causes include Faulty IC 24X reference circuit sensor, Short or open circuit in the wiring, 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 12, 2024
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Code P1375 Buick Description

The P1375 Buick code refers to an issue with the IC 24X reference circuit in the vehicle. The IC 24X reference circuit is responsible for providing a stable voltage signal to the engine control module (ECM). When the voltage in this circuit is detected to be too high, it can lead to various performance issues in the vehicle.

OBDII Code P1375 Buick - IC 24X Reference Circuit High Voltage
P1375 Buick Code - IC 24X Reference Circuit High Voltage

Common Causes of P1375 Buick

  1. Faulty IC 24X reference circuit sensor
  2. Short or open circuit in the wiring
  3. Malfunctioning ECM
  4. Corrosion or damage to the electrical connections
  5. Electrical interference from other components

Symptoms of P1375 Buick

  1. Engine misfires or runs rough
  2. Decreased fuel efficiency
  3. Check engine light illuminated on the dashboard
  4. Loss of power while driving
  5. Irregular idling

How to Fix P1375 Buick

  1. Use a diagnostic scanner to read the code and pinpoint the exact cause of the issue.
  2. Inspect the IC 24X reference circuit sensor and wiring for any visible damage or corrosion.
  3. Test the voltage output of the sensor and compare it to manufacturer specifications.
  4. Replace the faulty sensor or repair any damaged wiring as needed.
  5. Clear the code from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1375 Buick

The typical repair costs for addressing the P1375 Buick code can vary depending on the exact cause of the issue and the labor rates at the repair shop. On average, the repair for this code can range from $150 to $400, including parts and labor. It's important to note that diagnosis time and labor rates can vary based on the location, vehicle make and model, and engine type. It's recommended to obtain quotes from local repair shops for a more accurate estimate.

When is the Code Detected?

The P1375 code will also set if the 24X signal is shorted to voltage externally. If either condition is met DTC P1375 is set.

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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.

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