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P0667 Chevrolet Code - Control Module Temperature Sensor Performance

Quick Answer

The P0667 code for Chevrolet vehicles indicates an issue with the control module temperature sensor's performance. Common causes include Faulty control module temperature sensor, Wiring or electrical connections issues, Corrosion or damage to the sensor. 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
P0667 Chevrolet indicates Control Module Temperature Sensor Performance.
Common causes
Common causes include Faulty control module temperature sensor, Wiring or electrical connections issues, Corrosion or damage to the sensor.
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 P0667 Chevrolet Description

The P0667 code for Chevrolet vehicles indicates an issue with the control module temperature sensor's performance. The control module temperature sensor is responsible for monitoring the temperature of the control module to ensure it is operating within the specified range. When this sensor malfunctions or fails to provide accurate readings, it can have a significant impact on the vehicle's performance and overall operation.

OBDII Code P0667 Chevrolet - Control Module Temperature Sensor Performance
P0667 Chevrolet Code - Control Module Temperature Sensor Performance

Common Causes of P0667 Chevrolet

  1. Faulty control module temperature sensor
  2. Wiring or electrical connections issues
  3. Corrosion or damage to the sensor
  4. Control module temperature sensor out of calibration
  5. Issues with the engine control module (ECM)

Symptoms of P0667 Chevrolet

  1. Check engine light illuminated on the dashboard
  2. Engine running rough or misfiring
  3. Decreased fuel efficiency
  4. Engine stalling or failing to start
  5. Overheating of the control module

How to Fix P0667 Chevrolet

  1. Begin by conducting a thorough inspection of the control module temperature sensor and its wiring connections to check for any visible damage or corrosion.
  2. Use a multimeter to test the sensor's resistance and voltage output to determine if it is functioning correctly.
  3. If the sensor is faulty, replace it with a new, OEM-quality sensor to ensure proper function.
  4. Clear the diagnostic trouble codes from the vehicle's ECM using a scan tool and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be necessary to identify any underlying issues with the control module or ECM.

Cost to Fix P0667 Chevrolet

The cost estimate for repairing a P0667 code on a Chevrolet vehicle can vary depending on the specific model, year, and any additional parts or labor required. On average, the repair cost for this issue can range from $200 to $500, including the cost of the sensor and any necessary labor. However, it is essential to note that diagnostic time and labor rates can vary significantly, so it is advisable to consult with a reputable auto repair shop for a more accurate estimate based on your vehicle's specific needs.

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Information for Specific Chevrolet Models

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 P0667 Chevrolet Code

1. What does the OBDII code P0667 mean on a Chevrolet?

P0667 indicates an issue with the control module temperature sensor's performance, suggesting it is not operating within the expected parameters.

2. What are the common symptoms of the P0667 code on a Chevrolet?

Symptoms may include an illuminated check engine light, erratic engine performance, or difficulty starting the vehicle.

3. What causes the P0667 code to appear on a Chevrolet?

Potential causes include a faulty control module temperature sensor, damaged wiring or connectors, or a malfunction in the powertrain control module (PCM).

4. How do I diagnose the P0667 code on a Chevrolet?

Use an OBDII scanner to confirm the code, inspect the control module temperature sensor and its wiring for damage, and test the sensor's resistance with a multimeter.

5. Can I drive my Chevrolet with the P0667 code?

While the vehicle may remain drivable, ignoring the code can lead to further engine performance issues or overheating, so it’s best to address it promptly.

6. How do I fix the P0667 code on a Chevrolet?

Repairs may involve replacing the control module temperature sensor, repairing damaged wiring or connectors, or, in rare cases, reprogramming or replacing the PCM.

7. How much does it cost to fix the P0667 code on a Chevrolet?

The repair cost depends on the issue, ranging from $50-$150 for a sensor replacement to $500 or more for PCM repairs or replacement.

8. Can a faulty PCM cause the P0667 code on a Chevrolet?

Yes, a malfunctioning PCM can cause this code, although it is less common compared to sensor or wiring issues.

9. What tools are needed to troubleshoot the P0667 code on a Chevrolet?

You’ll need an OBDII scanner, a multimeter for electrical testing, and possibly a repair manual for your specific Chevrolet model.

10. Will resetting the code clear the P0667 issue on a Chevrolet?

Resetting the code may temporarily clear the check engine light, but it won’t fix the underlying problem, which needs proper diagnosis and repair.

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