P0669 Chevrolet Code - Control Module Temperature Sensor Circuit High Voltage
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
- P0669 Chevrolet indicates Control Module Temperature Sensor Circuit High Voltage.
- 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 P0669 Chevrolet Description
What are the Possible Causes of the DTC P0669 Chevrolet?
- 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 P0669 Chevrolet?
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 P0669 Chevrolet 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 P0669 Chevrolet code?
Need more information on how to fix the P0669 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0669 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Information for Specific Chevrolet Models
- P0669 2014 Chevrolet Silverado — Control Module Temperature Sensor Circuit High Voltage
- P0669 2015 Chevrolet Silverado — Control Module Temperature Sensor Circuit High Voltage
- P0669 2016 Chevrolet Silverado — Control Module Temperature Sensor Circuit High Voltage
- P0669 2017 Chevrolet Silverado — Control Module Temperature Sensor Circuit High Voltage
- P0669 2018 Chevrolet Silverado — Control Module Temperature Sensor Circuit High Voltage
Frequently Asked Questions about P0669 Chevrolet Code
1. What does the OBDII code P0669 mean on a Chevrolet?
P0669 indicates a high voltage issue in the Control Module Temperature Sensor Circuit, meaning the sensor may be malfunctioning or there is a wiring problem.
2. What are the common symptoms of code P0669 in a Chevrolet?
Symptoms may include poor engine performance, erratic temperature readings, illuminated check engine light, and possible overheating.
3. What causes the P0669 code to appear in a Chevrolet?
Common causes include a faulty control module temperature sensor, damaged or corroded wiring, poor electrical connections, or a malfunctioning control module.
4. How do you diagnose the P0669 code on a Chevrolet?
Diagnosis involves scanning for additional trouble codes, inspecting the temperature sensor and its wiring, and testing the sensor for proper voltage and resistance.
5. Can you drive with the P0669 code on a Chevrolet?
While the car may still drive, ignoring the code can lead to further damage or engine overheating, so it’s best to address it promptly.
6. How do you fix the P0669 code on a Chevrolet?
Repairs may include replacing the control module temperature sensor, repairing damaged wiring, cleaning corroded connectors, or reprogramming the control module.
7. How much does it cost to repair a P0669 code on a Chevrolet?
The cost varies but typically ranges from $100 to $400 depending on whether the sensor, wiring, or control module needs repair or replacement.
8. Can a faulty control module cause the P0669 code?
Yes, a malfunctioning control module can cause the P0669 code, but it’s less common compared to sensor or wiring issues.
9. How can I prevent the P0669 code from recurring?
Regular maintenance, inspecting electrical connections, and addressing wiring issues early can help prevent the code from recurring.
10. Does resetting the code clear the issue for P0669 in a Chevrolet?
Resetting the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P0669 Chevrolet OBDII Code
Code P0669 Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
