P0667 2018 Chevrolet Silverado Code - Control Module Temperature Sensor Performance
Quick Answer
The P0667 diagnostic trouble code (DTC) on a 2018 Chevrolet Silverado indicates that there is a problem with the control module temperature sensor's performance. Common causes include Faulty control module temperature sensor, Wiring or connector issues related to the sensor, ECM/PCM software or hardware problems. 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 2018 Chevrolet Silverado indicates Control Module Temperature Sensor Performance.
- Common causes
- Common causes include Faulty control module temperature sensor, Wiring or connector issues related to the sensor, ECM/PCM software or hardware problems.
- 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.
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Code P0667 2018 Chevrolet Silverado Description
The P0667 diagnostic trouble code (DTC) on a 2018 Chevrolet Silverado indicates that there is a problem with the control module temperature sensor's performance. The control module temperature sensor is responsible for monitoring the temperature of the engine control module (ECM) or powertrain control module (PCM). This sensor ensures that the ECM/PCM operates within the optimal temperature range to function correctly.
Common Causes of P0667 2018 Chevrolet Silverado
- Faulty control module temperature sensor
- Wiring or connector issues related to the sensor
- ECM/PCM software or hardware problems
- Engine overheating leading to sensor malfunction
- Environmental factors affecting sensor performance (e.g., extreme temperatures)
Symptoms of P0667 2018 Chevrolet Silverado
- Check Engine Light illuminated on the dashboard
- Decreased fuel efficiency
- Engine running rough or misfiring
- Engine stalling or hesitation during acceleration
- Poor overall engine performance
How to Fix P0667 2018 Chevrolet Silverado
- Use an OBD-II scanner to confirm the P0667 code and identify the specific issue with the control module temperature sensor.
- Inspect the sensor, wiring, and connectors for any visible damage or corrosion. Replace any damaged components.
- Test the sensor's resistance and voltage output to determine if it is functioning correctly. Replace the sensor if necessary.
- Clear the DTC and reset the ECM/PCM to see if the code returns. Test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be needed to identify underlying ECM/PCM issues or other potential causes.
Cost to Fix P0667 2018 Chevrolet Silverado
The typical repair costs for addressing a P0667 code on a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing a control module temperature sensor and addressing related wiring or connector problems can range from $150 to $300 for parts and labor. However, additional costs may apply if further diagnostics or repairs are needed. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's specific needs. Keep in mind that labor rates can vary between different locations and types of repair facilities.
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Frequently Asked Questions about P0667 2018 Chevrolet Silverado Code
1. What does the OBDII code P0667 mean for a 2018 Chevrolet Silverado?
P0667 indicates an issue with the Control Module Temperature Sensor Performance, meaning the sensor is not reading or reporting the temperature accurately.
2. What are the common symptoms of code P0667 in a 2018 Chevrolet Silverado?
Symptoms may include engine performance issues, erratic behavior of electronic components, warning lights on the dashboard, or difficulty starting the vehicle.
3. What causes the P0667 code in a 2018 Chevrolet Silverado?
Common causes include a faulty control module temperature sensor, wiring issues, electrical connectors with corrosion or damage, or a failing control module itself.
4. Can I drive my 2018 Chevrolet Silverado with a P0667 code?
While the vehicle may still be drivable, it’s not recommended as the issue can lead to further damage to the control module or affect engine performance.
5. How do I diagnose the P0667 code on a 2018 Chevrolet Silverado?
Diagnosis involves checking the sensor, wiring, and connectors for damage, testing the sensor’s functionality, and using a scan tool to review live data from the control module.
6. How do I fix the P0667 code on a 2018 Chevrolet Silverado?
Possible fixes include replacing the control module temperature sensor, repairing damaged wiring or connectors, and, in rare cases, replacing the control module.
7. How much does it cost to repair a P0667 code on a 2018 Chevrolet Silverado?
Costs can vary widely depending on the specific repair, with sensor replacements typically ranging from $50 to $150 plus labor, while control module replacements are more expensive.
8. Can a software update fix the P0667 code on a 2018 Chevrolet Silverado?
In some cases, a software update for the control module may resolve the issue if it’s related to programming errors rather than hardware faults.
9. What tools are needed to diagnose the P0667 code in a 2018 Chevrolet Silverado?
Tools include an OBDII scan tool, a multimeter for testing electrical connections, and possibly wiring diagrams for troubleshooting.
10. Does the P0667 code affect fuel efficiency in a 2018 Chevrolet Silverado?
Yes, it can potentially affect fuel efficiency if the engine control module is not receiving accurate temperature data, leading to improper adjustments in engine operation.
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