U0106 Chevrolet Code - Lost Communication With Glow Plug Control Module
Quick Answer
The U0106 diagnostic trouble code (DTC) in Chevrolet vehicles indicates that there is a communication problem between the Engine Control Module (ECM) and the Glow Plug Control Module. Common causes include Wiring issues such as shorts or open circuits, Faulty Glow Plug Control Module, Malfunctioning Engine Control Module. 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
- U0106 Chevrolet indicates Lost Communication With Glow Plug Control Module.
- Common causes
- Common causes include Wiring issues such as shorts or open circuits, Faulty Glow Plug Control Module, Malfunctioning Engine Control Module.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U0106 Chevrolet Description
The U0106 diagnostic trouble code (DTC) in Chevrolet vehicles indicates that there is a communication problem between the Engine Control Module (ECM) and the Glow Plug Control Module. The Glow Plug Control Module plays a crucial role in controlling the glow plugs in a diesel engine, which are essential for cold starting by pre-heating the combustion chamber.
Common Causes of U0106 Chevrolet
- Wiring issues such as shorts or open circuits
- Faulty Glow Plug Control Module
- Malfunctioning Engine Control Module
- Corrosion or poor connections in the communication network
- Electrical interference or electromagnetic interference
Symptoms of U0106 Chevrolet
- Difficulty starting the engine, especially in cold weather
- Illumination of the check engine light on the dashboard
- Reduced engine performance and power
- Increased emissions
- Engine stalling or rough idling
How to Fix U0106 Chevrolet
- Perform a thorough diagnostic scan to confirm the U0106 code and identify the specific cause of the communication loss.
- Inspect the wiring harness between the ECM and Glow Plug Control Module for any visible damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the Glow Plug Control Module for proper functionality and replace if found to be faulty.
- Check the ECM for any signs of malfunction and reprogram or replace if needed.
- Clear the DTC and perform a test drive to ensure that the issue has been resolved.
Cost to Fix U0106 Chevrolet
The typical repair costs for addressing the U0106 code in a Chevrolet vehicle can range from $200 to $500, including parts and labor. However, it is important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is recommended to obtain quotes from local auto repair shops for a more accurate estimate.
Need more information about the U0106 Chevrolet code?
Need more information on how to fix the U0106 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U0106 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U0106 Chevrolet Code
1. What does the OBDII code U0106 mean on a Chevrolet?
The U0106 code indicates a "Lost Communication With Glow Plug Control Module," meaning the vehicle’s main computer cannot communicate with the glow plug control module.
2. What are common symptoms of the U0106 code in a Chevrolet?
Symptoms may include difficulty starting the engine (especially in cold weather), reduced engine performance, a glowing check engine light, or no noticeable symptoms at all.
3. What causes the U0106 code to appear in a Chevrolet?
Common causes include a faulty glow plug control module, damaged wiring or connectors, a blown fuse, or issues with the CAN bus communication network.
4. Can I drive my Chevrolet with the U0106 code present?
While the vehicle may still drive, it may have reduced performance or starting issues, particularly in cold conditions. It’s best to address the issue promptly to avoid further complications.
5. How do I diagnose the U0106 code on my Chevrolet?
Start by checking the glow plug control module, inspecting wiring and connectors for damage, and testing fuses. A professional scan tool can verify communication between the module and the ECM.
6. What is the glow plug control module’s role in a Chevrolet?
The glow plug control module manages the glow plugs, which preheat the engine cylinders in diesel engines to assist with starting in cold conditions.
7. How can I fix the U0106 code on my Chevrolet?
Repairs may involve replacing the glow plug control module, repairing damaged wiring, reconnecting loose connectors, or addressing CAN bus communication issues.
8. How much does it cost to fix a U0106 code on a Chevrolet?
The repair cost can range from $150 to $600, depending on whether the module, wiring, or other components need replacement or repair.
9. Can a software update fix the U0106 code on a Chevrolet?
In some cases, a software update to the ECM or glow plug control module may resolve communication issues, but this depends on the specific vehicle and circumstances.
10. How can I prevent the U0106 code from recurring in my Chevrolet?
Regular maintenance, inspecting wiring for damage, keeping connections clean, and promptly addressing communication issues can help prevent this code from returning.
Discuss the causes and fixes for U0106 Chevrolet OBDII Code
Code U0106 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.