C028B Chevrolet Code - Hand Brake Motor Position Sensor Signal
Quick Answer
The hand brake control module has an internal motor, apply actuator, release actuator, and temperature sensor. Common causes include Faulty Hand Brake Motor Position Sensor, Hand Brake Motor Position Sensor harness is open or shorted, Hand Brake Motor Position Sensor 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
- C028B Chevrolet indicates Hand Brake Motor Position Sensor Signal.
- Common causes
- Common causes include Faulty Hand Brake Motor Position Sensor, Hand Brake Motor Position Sensor harness is open or shorted, Hand Brake Motor Position Sensor 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 C028B Chevrolet Description
The Hand brake Motor Position Sensor is an internal sensor to the hand brake control module, this sensor is used to monitor the hand brake motor position.
What are the Possible Causes of the DTC C028B Chevrolet?
- Faulty Hand Brake Motor Position Sensor
- Hand Brake Motor Position Sensor harness is open or shorted
- Hand Brake Motor Position Sensor circuit poor electrical connection
How to Fix the DTC C028B 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.
Code Tech Notes
- C028B 26: Hand Brake Motor Position Sensor Signal Low Frequency
- C028B 29: Hand Brake Motor Position Sensor Signal Too Few Pulses
- C028B 2A: Hand Brake Motor Position Sensor Signal Too Many Pulses
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C028B 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.
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Frequently Asked Questions about C028B Chevrolet Code
1. What does the OBDII code C028B mean on a Chevrolet?
C028B indicates an issue with the Hand Brake Motor Position Sensor Signal, which monitors the position of the electronic parking brake motor.
2. What are the common symptoms of the C028B code?
Symptoms may include the parking brake warning light illuminating, the parking brake failing to engage or release properly, or a "Service Parking Brake" message on the dashboard.
3. What causes the C028B code to appear?
Common causes include a faulty hand brake motor position sensor, damaged wiring or connectors, corrosion, or an issue with the electronic parking brake motor itself.
4. Can I drive my Chevrolet with a C028B code?
It’s not recommended to drive with this code active, as it may affect the functionality of your parking brake, reducing safety when parking on inclines or declines.
5. How do I diagnose the C028B code?
Start by inspecting the wiring and connectors near the hand brake motor and position sensor for damage or corrosion. Use a scan tool to confirm the code and check the sensor readings.
6. What repairs can fix the C028B code?
Repairs may include replacing the hand brake motor position sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or replacing the parking brake motor assembly.
7. How much does it cost to fix the C028B code?
Repair costs vary depending on the exact issue, but replacing the position sensor typically ranges from $100 to $300, including parts and labor.
8. Can a bad battery cause the C028B code?
Yes, a weak or failing battery can cause voltage issues that may trigger the C028B code. Ensure the battery and charging system are in good condition.
9. How can I prevent the C028B code from returning?
Regularly inspect the parking brake components for wear, keep electrical connections clean and corrosion-free, and address warning lights promptly.
10. Do I need a professional mechanic to fix the C028B code?
While some DIYers may be able to handle simple repairs like replacing connectors or sensors, a professional mechanic is recommended for diagnosing and resolving more complex issues.
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