P0667 2018 Chevrolet Silverado Code - Control Module Temperature Sensor Performance
Quick Answer
The Transmission Control Module (TCM) temperature sensor is located inside of the control solenoid valve assembly which has no serviceable parts. Common causes include Faulty Control Solenoid Valve Assembly, Control Solenoid Valve Assembly harness is open or shorted, Control Solenoid Valve Assembly circuit 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
- P0667 2018 Chevrolet Silverado indicates Control Module Temperature Sensor Performance.
- Common causes
- Common causes include Faulty Control Solenoid Valve Assembly, Control Solenoid Valve Assembly harness is open or shorted, Control Solenoid Valve Assembly circuit 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.
Code P0667 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0667 2018 Chevrolet Silverado?
- Faulty Control Solenoid Valve Assembly
- Control Solenoid Valve Assembly harness is open or shorted
- Control Solenoid Valve Assembly circuit poor electrical connection
How to Fix the DTC P0667 2018 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0667 2018 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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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