P0667 2014 GMC Sierra 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 2014 GMC Sierra 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 2014 GMC Sierra Description
What are the Possible Causes of the DTC P0667 2014 GMC Sierra?
- 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 2014 GMC Sierra?
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 2014 GMC Sierra 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.
Need more information about the P0667 2014 GMC Sierra code?
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Frequently Asked Questions about P0667 2014 GMC Sierra Code
What does the OBDII code P0667 mean on a 2014 GMC Sierra?
The P0667 code indicates an issue with the Control Module Temperature Sensor's performance, signaling that the sensor may not be functioning within its expected range.
What are the common symptoms of code P0667 in a 2014 GMC Sierra?
Symptoms can include an illuminated check engine light, erratic engine performance, poor fuel efficiency, or the engine entering limp mode.
What causes the P0667 code to appear on a 2014 GMC Sierra?
Common causes include a faulty control module temperature sensor, wiring issues like short circuits or broken connectors, or a malfunctioning Powertrain Control Module (PCM).
How can I diagnose the P0667 code on a 2014 GMC Sierra?
Start by using an OBDII scanner to confirm the code, inspect the sensor and wiring for damage, and test the sensor’s resistance and signal output to ensure it's functioning properly.
Can I still drive my 2014 GMC Sierra with a P0667 code?
While the vehicle may still be drivable, ignoring the code can lead to reduced performance, potential overheating issues, and further damage to the engine or control module.
How do I fix the P0667 code on a 2014 GMC Sierra?
Repairs may include replacing the control module temperature sensor, repairing damaged wiring or connectors, or, in rare cases, reprogramming or replacing the PCM.
How much does it cost to repair the P0667 code on a 2014 GMC Sierra?
Repair costs can vary, but replacing the temperature sensor typically costs $100-$300, including parts and labor, depending on your location and mechanic.
Can the P0667 code be triggered by a software issue in the PCM?
Yes, a software error or outdated PCM firmware can sometimes cause this code, necessitating a reflash or update to the PCM.
What tools do I need to troubleshoot the P0667 code on a 2014 GMC Sierra?
You'll need an OBDII scanner, a multimeter to test electrical connections, and possibly a repair manual for your vehicle to reference wiring diagrams.
Why is the control module temperature sensor important on a 2014 GMC Sierra?
The sensor monitors the temperature of the control module, ensuring it operates within safe limits and preventing potential damage due to overheating.
Discuss the causes and fixes for P0667 2014 GMC Sierra OBDII Code
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