C1220 2014 Chevrolet Silverado Code - Brake Pressure Sensor Supply Voltage Circuit High
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
- C1220 2014 Chevrolet Silverado indicates Brake Pressure Sensor Supply Voltage Circuit High.
- 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 C1220 2014 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 C1220 2014 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 C1220 2014 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 C1220 2014 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 C1220 2014 Chevrolet Silverado code?
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Frequently Asked Questions about C1220 2014 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code C1220 on a 2014 Chevrolet Silverado?
- Common symptoms include the ABS warning light being illuminated on the dashboard, potential loss of ABS functionality, and issues with the vehicle's braking system.
2. What does the OBDII code C1220 Brake Pressure Sensor Supply Voltage Circuit High mean for a 2014 Chevrolet Silverado?
- This code indicates that the brake pressure sensor's supply voltage circuit is reading higher than normal, potentially affecting the ABS system's operation.
3. What are the possible causes of OBDII code C1220 on a 2014 Chevrolet Silverado?
- The code C1220 can be triggered by issues such as a faulty brake pressure sensor, damaged wiring in the sensor circuit, a malfunctioning ABS module, or a problem with the vehicle's power supply.
4. How can I diagnose the cause of OBDII code C1220 on my 2014 Chevrolet Silverado?
- Diagnosing this code usually involves inspecting the brake pressure sensor, checking the sensor's wiring for damage, testing the ABS module, and verifying the power supply to the sensor.
5. Is it safe to drive my 2014 Chevrolet Silverado with OBDII code C1220 active?
- It is not recommended to drive the vehicle with this code active, as it can affect the ABS system's performance and compromise braking functionality, potentially leading to unsafe driving conditions.
6. Can I reset the OBDII code C1220 on my 2014 Chevrolet Silverado without addressing the underlying issue?
- Simply clearing the code without fixing the root cause is not advised, as the issue may persist and trigger the code again, affecting the vehicle's safety systems.
7. How much does it typically cost to repair OBDII code C1220 on a 2014 Chevrolet Silverado?
- The cost of repair can vary depending on the exact cause of the code, but it may involve replacing the brake pressure sensor, repairing damaged wiring, or addressing issues with the ABS module. Costs can range from a few hundred to over a thousand dollars.
8. Can I fix OBDII code C1220 on my 2014 Chevrolet Silverado myself, or do I need to take it to a mechanic?
- While some DIY enthusiasts may be able to address simpler causes like checking and repairing wiring, diagnosing and fixing issues related to the ABS system or brake pressure sensor may require professional expertise.
9. Will OBDII code C1220 on a 2014 Chevrolet Silverado cause the vehicle to fail an emissions test?
- Since this code is related to the ABS system and not emissions control, it typically will not cause the vehicle to fail an emissions test. However, it should still be addressed promptly for safety reasons.
10. How can I prevent OBDII code C1220 from reoccurring on my 2014 Chevrolet Silverado?
- Regular maintenance, timely inspection of the ABS system components, and addressing any warning lights or unusual symptoms promptly can help prevent the reoccurrence of this code.
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