C0146 GMC Code - Left TCS Solenoid #2 Circuit Malfunction
Quick Answer
The isolation and prime valve solenoid circuits are supplied with battery power when the ignition is in the ON position. Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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
- C0146 GMC indicates Left TCS Solenoid #2 Circuit Malfunction.
- Common causes
- Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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 C0146 GMC Description
What are the Possible Causes of the DTC C0146 GMC?
- Faulty Electronic Brake Control Module (EBCM)
- Electronic Brake Control Module (EBCM) harness is open or shorted
- Electronic Brake Control Module (EBCM) circuit poor electrical connection
How to Fix the DTC C0146 GMC?
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 C0146 GMC 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 C0146 GMC code?
Need more information on how to fix the C0146 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0146 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C0146 GMC Code
1. What are common symptoms of OBDII code C0146 GMC (Left TCS Solenoid #2 Circuit Malfunction)?
- Common symptoms include the traction control system light being illuminated on the dashboard, poor traction control performance, and potential issues with vehicle stability during driving.
2. What can cause the OBDII code C0146 GMC to trigger?
- The code can be triggered by a malfunction in the left TCS solenoid #2 circuit, which may be due to wiring issues, a faulty solenoid, or problems with the traction control system module.
3. How serious is the OBDII code C0146 GMC?
- While the code itself may not cause immediate safety concerns, it can affect the proper functioning of the traction control system, potentially compromising vehicle stability and traction in certain driving conditions.
4. How can I diagnose the cause of OBDII code C0146 GMC?
- Diagnosis typically involves using an OBDII scanner to retrieve the code, followed by inspecting the wiring, connectors, and components related to the left TCS solenoid #2 circuit to identify the root cause of the malfunction.
5. Can I still drive my vehicle with OBDII code C0146 GMC active?
- It is generally not recommended to drive with the code active, as it can impact the proper functioning of the traction control system, potentially compromising safety and vehicle stability.
6. What are some DIY repair tips for fixing OBDII code C0146 GMC?
- DIY repair tips include checking and repairing any damaged wiring or connectors related to the left TCS solenoid #2 circuit, replacing the solenoid if faulty, and clearing the code with an OBDII scanner after repairs are made.
7. Is it necessary to visit a mechanic for OBDII code C0146 GMC repairs?
- While some DIY repairs are possible, it is advisable to consult a qualified mechanic for accurate diagnosis and proper repair of the left TCS solenoid #2 circuit malfunction to ensure the issue is resolved correctly.
8. How much does it typically cost to repair OBDII code C0146 GMC?
- Repair costs can vary depending on the root cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.
9. Can resetting the OBDII code C0146 GMC on my own resolve the issue?
- Resetting the code on your own may temporarily clear the warning light, but if the underlying issue causing the left TCS solenoid #2 circuit malfunction is not addressed, the code is likely to reappear.
10. Are there any recalls or technical service bulletins related to OBDII code C0146 GMC?
- It is recommended to check with the manufacturer or a dealership for any recalls or technical service bulletins related to the OBDII code C0146 GMC to see if there are any known issues or remedies provided by the manufacturer.
Discuss the causes and fixes for C0146 GMC OBDII Code
Code C0146 GMC 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.
