C1219 Buick Code - Brake Pressure Sensor Supply Voltage Circuit Low
Quick Answer
The C1219 Buick code indicates a problem with the brake pressure sensor supply voltage circuit being too low. Common causes include Faulty brake pressure sensor, Corrosion or damage to the sensor wiring harness, Issues with the ABS control module. 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
- C1219 Buick indicates Brake Pressure Sensor Supply Voltage Circuit Low.
- Common causes
- Common causes include Faulty brake pressure sensor, Corrosion or damage to the sensor wiring harness, Issues with the ABS control module.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code C1219 Buick Description
The C1219 Buick code indicates a problem with the brake pressure sensor supply voltage circuit being too low. The brake pressure sensor is a crucial component of the vehicle's anti-lock braking system (ABS) as it monitors the hydraulic pressure in the brake system. When the sensor detects a low voltage in the circuit, it can lead to inaccurate readings and potentially affect the performance of the ABS system. This can result in decreased braking efficiency, longer stopping distances, and a compromised ability to maintain control of the vehicle during emergency braking situations. If left unaddressed, this issue can lead to safety concerns and further damage to the ABS system.
Common Causes of C1219 Buick
- Faulty brake pressure sensor
- Corrosion or damage to the sensor wiring harness
- Issues with the ABS control module
- Low or weak battery causing voltage drops
- Faulty ABS pump or hydraulic unit
Symptoms of C1219 Buick
- Illumination of the ABS warning light on the dashboard
- Decreased braking effectiveness or a spongy brake pedal
- ABS system engaging unexpectedly or not engaging when needed
- Increased stopping distances
- Loss of traction control functionality
How to Fix C1219 Buick
- Diagnose the issue using a professional diagnostic tool to pinpoint the exact cause of the low voltage in the brake pressure sensor circuit.
- Inspect the sensor wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace as needed.
- Test the brake pressure sensor for proper functionality and replace if found to be faulty.
- Check the ABS control module and ABS pump for any malfunctions. Repair or replace components as necessary.
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix C1219 Buick
The cost of repairing a C1219 Buick code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair costs for this type of problem can range from $200 to $500. This estimate includes the cost of parts such as a new brake pressure sensor, wiring harness, or ABS control module, as well as labor charges for diagnosis and repair. Keep in mind that prices may fluctuate based on the severity of the issue and the type of vehicle being serviced. It's recommended to obtain quotes from multiple auto repair shops to compare prices and ensure you are getting a fair deal.
Tech Notes for C1219 Buick
Need more information about the C1219 Buick code?
Need more information on how to fix the C1219 Buick code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C1219 Buick code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C1219 Buick Code
1. What does the OBDII code C1219 mean on a Buick?
C1219 indicates a problem with the brake pressure sensor supply voltage circuit, specifically a low voltage condition.
2. What are the common symptoms of code C1219 in a Buick?
Symptoms may include an illuminated ABS or traction control warning light, reduced brake performance, or a loss of ABS functionality.
3. What causes the C1219 code on a Buick?
Common causes include a faulty brake pressure sensor, damaged wiring or connectors in the sensor circuit, or issues with the ABS control module.
4. Can I still drive my Buick with a C1219 code?
While the vehicle is drivable, the ABS and traction control systems may not function properly, which could affect braking performance in slippery conditions.
5. How do I troubleshoot the C1219 code on my Buick?
Start by inspecting the brake pressure sensor and its wiring for damage, corrosion, or loose connections. Use a multimeter to test the sensor’s supply voltage.
6. How do I fix the C1219 code on a Buick?
Repairs may involve replacing the faulty brake pressure sensor, repairing damaged wiring, or, in rare cases, replacing the ABS control module.
7. Can a weak battery cause the C1219 code?
Yes, a weak or failing battery can cause voltage-related issues that may trigger this code. Ensure the battery and charging system are in good condition.
8. Does code C1219 require professional repair?
While basic inspections can be done at home, diagnosing and repairing ABS-related issues often require specialized tools and knowledge, so professional assistance may be needed.
9. How much does it cost to repair a C1219 code on a Buick?
Repair costs can vary but typically range from $150 to $400, depending on whether the sensor, wiring, or ABS module needs replacement.
10. Will clearing the C1219 code fix the problem permanently?
Clearing the code will remove it temporarily, but unless the underlying issue is resolved, the code and associated symptoms will return.
Discuss the causes and fixes for C1219 Buick OBDII Code
Code C1219 Buick 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.