Pro · Four-system diagnostics
FOXWELL Multi-System Scanner
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 AmazonEasy 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 sensors that tell the car how much you are pressing the brake pedal are not agreeing with each other.
The brake pedal position sensors 'A' and 'B' are not providing matching signals, indicating a possible issue with the sensors or their alignment.
The Brake Pedal Position Sensor 'A'/'B' Correlation code is triggered when the signals from the brake pedal position sensors 'A' and 'B' do not match within a specified range. This can indicate a fault in the sensor itself, wiring issues, or a misalignment between the sensors.
• Brake warning light on the dashboard
• Inconsistent brake pedal feel
• Possible issues with brake system performance
• Faulty brake pedal position sensor
• Misalignment of the sensors
• Wiring issues or poor connections
OBD-II: On-Board Diagnostics, a standardized system for self-diagnostics in vehicles.
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Check for any stored codes and clear them to see if the problem persists.
• Inspect the brake pedal position sensors and their alignment.
• Test the wiring and connections for continuity and proper voltage.
• Replace the faulty brake pedal position sensor.
• Realign the sensors if they are misaligned.
• Repair or replace damaged wiring or connectors.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect brake system components.
• Ensure proper maintenance and servicing of the vehicle.
• Check for recalls or service bulletins related to the brake system.
Sensor Issue
• Do not ignore the brake warning light.
• Have the vehicle inspected by a professional if the brake pedal feels unusual.
Check with your vehicle manufacturer for warranty coverage on brake system components.
This code has been reported in various vehicles, particularly in models with electronic brake systems.
High – Brake system issues can affect vehicle safety and should be addressed promptly.
Driving with a faulty brake system can be dangerous. Ensure all repairs are conducted by a qualified technician.
• Vehicle parked on a level surface
• Engine off with ignition in the 'On' position
The brake pedal position sensors are typically located near the brake pedal assembly.
Q: What happens if I ignore this code?
A: Ignoring this code can lead to brake system malfunctions, which can compromise vehicle safety.
Q: Can I drive with this code active?
A: It's not recommended to drive with this code active as it may affect the braking performance.
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.
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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.