C128B 2016 Chevrolet Silverado Code - ABS Master Cylinder Pressure Sensor Offset Error
Quick Answer
The Electronic Brake Control Module uses inputs from the Electronic Brake Control Brake Pedal Position Sensor to determine when the brake is applied and how much force is used. Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module harness is open or shorted, Electronic Brake Control Module 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
- C128B 2016 Chevrolet Silverado indicates ABS Master Cylinder Pressure Sensor Offset Error.
- Common causes
- Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module harness is open or shorted, Electronic Brake Control Module 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 C128B 2016 Chevrolet Silverado Description
Brake pressure sensor information is communicated from the Electronic Brake Control Module (EBCM) to the Hybrid Control Processor (HCP). This information is used to schedule regenerative braking and engine autostops.
The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detects a corrupted data message from the Electronic Brake Control Module.
What are the Possible Causes of the DTC C128B 2016 Chevrolet Silverado?
- Faulty Electronic Brake Control Module (EBCM)
- Electronic Brake Control Module harness is open or shorted
- Electronic Brake Control Module circuit poor electrical connection
- Faulty Starter/Generator Control Module
How to Fix the DTC C128B 2016 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 C128B 2016 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.
Need more information about the C128B 2016 Chevrolet Silverado code?
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Frequently Asked Questions about C128B 2016 Chevrolet Silverado Code
1. What does the OBDII code C128B for a 2016 Chevrolet Silverado indicate?
The code C128B indicates an ABS Master Cylinder Pressure Sensor Offset Error in the 2016 Chevrolet Silverado.
2. What are the common symptoms of ABS Master Cylinder Pressure Sensor Offset Error (code C128B) in a 2016 Chevrolet Silverado?
Common symptoms include the ABS warning light being illuminated on the dashboard, issues with the vehicle's stability control system, and potential changes in brake performance.
3. What are the possible causes of ABS Master Cylinder Pressure Sensor Offset Error (code C128B) in a 2016 Chevrolet Silverado?
Potential causes may include a faulty ABS master cylinder pressure sensor, wiring or connection issues related to the sensor, or problems with the ABS control module.
4. How can I diagnose the ABS Master Cylinder Pressure Sensor Offset Error (code C128B) in my 2016 Chevrolet Silverado?
Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code, inspecting the ABS sensor and its wiring for any visible damage, and testing the sensor's functionality.
5. Can I continue to drive my 2016 Chevrolet Silverado with the ABS Master Cylinder Pressure Sensor Offset Error (code C128B)?
It is not recommended to drive the vehicle with this error, as it can affect the proper functioning of the vehicle's ABS system and compromise safety.
6. How can I repair the ABS Master Cylinder Pressure Sensor Offset Error (code C128B) in my 2016 Chevrolet Silverado?
Repair options may include replacing the faulty ABS master cylinder pressure sensor, repairing any damaged wiring or connections, or reprogramming the ABS control module.
7. Is it possible to reset the ABS Master Cylinder Pressure Sensor Offset Error (code C128B) without fixing the underlying issue?
Resetting the error code without addressing the root cause may temporarily turn off the warning light, but the issue will likely reoccur until the problem is properly resolved.
8. Are there any DIY tips for troubleshooting the ABS Master Cylinder Pressure Sensor Offset Error (code C128B) in a 2016 Chevrolet Silverado?
DIY tips may include checking the sensor connections for corrosion, ensuring proper sensor alignment, and consulting the vehicle's service manual for specific troubleshooting steps.
9. How much does it typically cost to repair the ABS Master Cylinder Pressure Sensor Offset Error (code C128B) in a 2016 Chevrolet Silverado?
The repair costs can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
10. Can a local mechanic or auto repair shop fix the ABS Master Cylinder Pressure Sensor Offset Error (code C128B) in a 2016 Chevrolet Silverado?
Yes, a qualified mechanic or auto repair shop should be able to diagnose and repair the ABS Master Cylinder Pressure Sensor Offset Error in a 2016 Chevrolet Silverado using the appropriate tools and expertise.
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