Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer can't find the settings it needs to help you brake easily. It's like trying to play a video game without setting up the controller first.
The brake booster control module requires specific calibration data to function correctly. This code indicates that the calibration data is missing or not detected.
The C0599 code is triggered when the brake booster control module does not have the necessary calibration data. This data is crucial for the module to regulate the brake boost pressure accurately. Without this calibration, the brake system may not perform optimally.
• Reduced braking efficiency
• Brake warning light on dashboard
• Increased stopping distance
• Faulty brake booster control module
• Corrupted or missing calibration data
• Software update required
Brake Booster: A device that increases the force applied to the brake pedal.
Calibration: The process of setting or correcting a device or system to ensure accurate operation.
• Check for other related codes
• Inspect the brake booster control module for damage
• Verify the calibration data using a diagnostic scanner
• Recalibrate the brake booster control module using a diagnostic tool
• Replace the brake booster control module if faulty
• Update the vehicle's software if necessary
• OBD-II scanner
• Diagnostic software
• Basic hand tools
$150 - $400
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regularly update vehicle software
• Perform routine brake system checks
• Ensure proper calibration after brake system repairs
Calibration Issue
• Do not ignore the brake warning light
• Have the vehicle inspected by a professional
• Avoid hard braking until the issue is resolved
Check with the vehicle manufacturer for warranty coverage on brake system components.
This code has become more common with the introduction of electronic brake systems that require precise calibration.
High – Braking performance may be compromised, which can affect vehicle safety.
Driving with impaired braking can be dangerous and may violate traffic laws. Address this issue promptly to ensure safety.
• Vehicle stationary with ignition on
• Diagnostic tool connected to OBD-II port
The brake booster control module is typically located near the brake pedal assembly or in the engine compartment.
Q: Can I drive with a C0599 code?
A: It's not recommended, as it may affect braking performance. Get it checked as soon as possible.
Q: How do I clear a C0599 code?
A: After repairs, use an OBD-II scanner to clear the code, but ensure the issue is resolved first.
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.
View on Amazon
Universal · Torque wrench
Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.
Useful when wheel, hub, or suspension hardware needs correct reassembly torque.
View on Amazon
Universal · Drive-on ramps
Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.
Helpful for safer access during underbody inspection work.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.