C1220 2017 Chevrolet Silverado Code - Brake Pressure Sensor Supply Voltage Circuit High
Quick Answer
The C1220 diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado indicates a potential issue with the Brake Pressure Sensor Supply Voltage Circuit being too high. Common causes include Faulty brake pressure sensor, Corroded or damaged wiring in the brake pressure sensor circuit, Issues with the ECU. 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
- C1220 2017 Chevrolet Silverado indicates Brake Pressure Sensor Supply Voltage Circuit High.
- Common causes
- Common causes include Faulty brake pressure sensor, Corroded or damaged wiring in the brake pressure sensor circuit, Issues with the ECU.
- 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.
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Code C1220 2017 Chevrolet Silverado Description
The C1220 diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado indicates a potential issue with the Brake Pressure Sensor Supply Voltage Circuit being too high. This sensor is responsible for monitoring the pressure in the brake system and sending this information to the vehicle's electronic control unit (ECU). When the voltage in this circuit is detected to be higher than normal, it can lead to various problems with the vehicle's braking system.
Common Causes of C1220 2017 Chevrolet Silverado
- Faulty brake pressure sensor
- Corroded or damaged wiring in the brake pressure sensor circuit
- Issues with the ECU
- Electrical issues such as a short circuit or high resistance in the circuit
- Low brake fluid levels or air in the brake system
Symptoms of C1220 2017 Chevrolet Silverado
- Illuminated ABS warning light on the dashboard
- Loss of ABS functionality
- Increased stopping distance
- Brake pedal feels spongy or unresponsive
- Vehicle pulls to one side during braking
How to Fix C1220 2017 Chevrolet Silverado
- Diagnose the issue by using a scan tool to read the DTC and inspect the brake pressure sensor and related wiring.
- Test the brake pressure sensor to determine if it is functioning correctly.
- Check the wiring harness for any signs of damage or corrosion and repair as needed.
- If the sensor is faulty, replace it with a new one and calibrate it according to manufacturer specifications.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix C1220 2017 Chevrolet Silverado
The cost of repairing a Brake Pressure Sensor Supply Voltage Circuit High issue on a 2017 Chevrolet Silverado can vary depending on the specific cause of the problem and the cost of parts and labor in your area. In general, you can expect to pay anywhere from $200 to $500 for this type of repair, including parts and labor. Keep in mind that diagnostic time, labor rates, and part prices can differ between auto repair shops, so it's advisable to get quotes from multiple locations to find the best deal.
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Frequently Asked Questions about C1220 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code C1220 in a 2017 Chevrolet Silverado?
- Common symptoms include the illumination of the ABS warning light on the dashboard, potential loss of ABS functionality, and possible issues with brake performance.
2. What does the OBDII code C1220 on a 2017 Chevrolet Silverado indicate?
- The code C1220 signifies a problem with the Brake Pressure Sensor Supply Voltage Circuit being too high, affecting the ABS system's operation.
3. What are the possible causes of OBDII code C1220 in a 2017 Chevrolet Silverado?
- Potential causes include a faulty brake pressure sensor, damaged wiring or connectors in the circuit, a malfunctioning ABS module, or issues with the vehicle's power supply.
4. How can I diagnose the OBDII code C1220 in my 2017 Chevrolet Silverado?
- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, conducting a visual inspection of the ABS system components, and testing the brake pressure sensor and related circuits.
5. Is it safe to continue driving my 2017 Chevrolet Silverado with OBDII code C1220 present?
- It is not recommended to drive the vehicle with the ABS warning light on, as it may indicate potential issues with the ABS system that could affect braking performance and safety.
6. Can I repair OBDII code C1220 in my 2017 Chevrolet Silverado myself?
- While some DIY enthusiasts may attempt to address the issue by checking and repairing wiring connections, diagnosing and fixing the root cause of the problem often requires specialized tools and knowledge best handled by a professional mechanic.
7. How much does it typically cost to repair OBDII code C1220 in a 2017 Chevrolet Silverado?
- Repair costs can vary depending on the exact cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.
8. Will clearing the OBDII code C1220 in my 2017 Chevrolet Silverado make the problem go away?
- Clearing the code may temporarily turn off the warning light, but if the underlying issue causing the code is not fixed, the code is likely to reappear, and the problem will persist.
9. Can a faulty brake pressure sensor cause other codes to appear in a 2017 Chevrolet Silverado?
- Yes, a malfunctioning brake pressure sensor can potentially trigger other ABS-related trouble codes in addition to C1220, indicating further issues within the ABS system.
10. How important is it to address OBDII code C1220 promptly in a 2017 Chevrolet Silverado?
- It is crucial to address the issue promptly, as problems with the brake pressure sensor supply voltage circuit can impact the vehicle's ABS functionality, potentially compromising braking performance and safety.
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