Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with the sensor that checks the pressure in the brake booster. It's like a sensor that helps make sure your brakes work properly, and it's not getting the right signal.
The brake booster pressure sensor sends signals to the car's computer about the pressure in the brake booster. A 'Test Pulse Low' indicates that the sensor's signal is weaker than expected.
The C1019 code is triggered when the brake booster pressure sensor outputs a signal that is lower than the expected range during a test pulse. This could indicate a fault in the sensor itself, the wiring, or the electronic control unit (ECU) that processes the signal.
• Brake warning light on the dashboard
• Reduced braking performance
• Increased braking effort required
• Faulty brake booster pressure sensor
• Wiring issues or poor connections
• Faulty ECU
Brake Booster: A device that uses vacuum or hydraulic pressure to assist the driver in applying the brakes.
ECU: Electronic Control Unit, the computer that controls various functions in a vehicle.
• Check for any other fault codes.
• Inspect the wiring and connections to the brake booster pressure sensor.
• Test the brake booster pressure sensor for proper operation.
• Replace the brake booster pressure sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECU if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Dodge Ram
• Jeep Grand Cherokee
• Chrysler 300
• Regularly inspect brake system components.
• Ensure electrical connections are secure.
• Perform routine maintenance checks.
Sensor Issue
• Do not ignore the brake warning light.
• Have the vehicle inspected by a professional if braking performance decreases.
Check with the vehicle manufacturer for specific warranty coverage on brake system components.
This code has been associated with models from the early 2000s to present, particularly in vehicles with advanced braking systems.
High – Braking issues can affect vehicle safety and should be addressed promptly.
Driving with impaired brakes is dangerous and may violate traffic safety laws.
• Vehicle must be stationary.
• Engine running and brake system at normal operating temperature.
The brake booster pressure sensor is typically located near the brake booster, which is usually found on the driver's side of the engine compartment.
Q: Can I drive with the C1019 code?
A: It's not recommended to drive with this code active as it can affect your braking performance.
Q: How do I reset the C1019 code?
A: The code can be reset with an OBD-II scanner, but the underlying issue should be fixed first to prevent it from returning.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
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