C1219 2018 GMC Sierra Code - Brake Pressure Sensor Supply Voltage Circuit Low
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
- C1219 2018 GMC Sierra indicates Brake Pressure Sensor Supply Voltage Circuit Low.
- 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 C1219 2018 GMC Sierra 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 C1219 2018 GMC Sierra?
- 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 C1219 2018 GMC Sierra?
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1219 2018 GMC Sierra 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 C1219 2018 GMC Sierra Code
1. What does the OBDII code C1219 mean on a 2018 GMC Sierra?
The code C1219 indicates a problem with the brake pressure sensor supply voltage circuit being too low, which can affect brake system performance.
2. What are the common symptoms of code C1219 in a 2018 GMC Sierra?
Common symptoms include illuminated ABS or brake warning lights, reduced braking performance, or erratic brake pedal feel.
3. What causes the C1219 code on a GMC Sierra?
Causes can include a faulty brake pressure sensor, damaged wiring or connectors, or issues with the ABS module.
4. Can I still drive my 2018 GMC Sierra with the C1219 code?
While the truck may still drive, it’s not safe to continue driving with compromised brake system performance. Immediate inspection and repair are recommended.
5. How do I diagnose code C1219 on a 2018 GMC Sierra?
Diagnosis involves checking the brake pressure sensor, inspecting the wiring and connectors for damage, and testing the ABS module for faults.
6. How can I fix the C1219 code on my GMC Sierra?
Repairs may include replacing the brake pressure sensor, fixing damaged wiring, or repairing or replacing the ABS module.
7. What tools are needed to troubleshoot the C1219 code?
Tools like an OBDII scanner, a multimeter, and wiring diagrams for the 2018 GMC Sierra are essential for troubleshooting.
8. How much does it cost to repair the C1219 code?
Repair costs vary, but replacing a brake pressure sensor typically costs $100-$300, while ABS module repairs can cost $500-$1,500.
9. Can a low battery voltage cause the C1219 code?
Yes, insufficient voltage from the battery can potentially trigger this code, as it affects the supply voltage to the brake pressure sensor.
10. Do I need to reprogram the ABS module after fixing the C1219 code?
In some cases, if the ABS module is replaced, it may need to be reprogrammed using specialized diagnostic equipment.
Discuss the causes and fixes for C1219 2018 GMC Sierra OBDII Code
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