Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the brakes on the back wheels of the car. It's like when a toy car's wheels don't stop when you press the brakes.
The C1056 code is triggered when the electronic control unit detects a performance issue or range problem in the rear axle brake circuit.
The C1056 code indicates that the vehicle's control module has detected a malfunction in the rear axle brake circuit. This can be due to a range or performance issue, meaning the circuit is not operating within the expected parameters.
• ABS warning light on
• Reduced braking performance
• Unusual noises from rear brakes
• Faulty rear brake sensor
• Damaged wiring or connectors
• Malfunctioning brake control module
OBD-II: On-Board Diagnostics, a standardized system for vehicle self-diagnostics.
ABS: Anti-lock Braking System, a safety system that prevents wheels from locking up during braking.
• Perform a visual inspection of the rear brake components.
• Use a diagnostic scanner to read the code and freeze frame data.
• Check the wiring and connectors for damage or corrosion.
• Replace the faulty rear brake sensor.
• Repair or replace damaged wiring or connectors.
• Replace the brake control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Dodge Ram
• Jeep Grand Cherokee
• Chrysler 300
• Regular brake system maintenance
• Inspect brake sensors periodically
• Ensure connectors are secure and clean
Brake System Issue
• Do not ignore the ABS warning light.
• Have the brakes inspected by a professional.
• Avoid driving in unsafe conditions until repaired.
Check with the vehicle manufacturer for specific warranty coverage on brake components.
This code has been associated with rear brake performance issues in certain models, often due to sensor or wiring failures.
High – Brake issues can affect vehicle safety and should be addressed promptly.
Driving with compromised brakes can be dangerous and may violate safety regulations.
• Vehicle must be in motion for accurate diagnosis.
• Brake system must be engaged during testing.
The rear axle brake components are located at the back of the vehicle, near the wheels.
Q: Can I drive with a C1056 code?
A: It's not recommended as it may affect braking performance. Get it checked as soon as possible.
Q: Will fixing the C1056 code be expensive?
A: It depends on the exact cause, but it can range from $150 to $500.
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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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.
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