P056B

Cruise Control Decrease Distance Signal

Moderate severity

Cruise Control Decrease Distance Signal: the control module has detected this fault condition. This affects cruise-control operation.

Common causes

Stalk contact stuck or open
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $70-280
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First things to check

1Confirm the code with a scan tool and check for additional related codes.
2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P056B mean?

P056B means "Cruise Control Decrease Distance Signal". It is a generic OBD-II code that points to a fault in the vehicle speed, idle control, auxiliary inputs.

What are the most common causes of P056B?

stalk contact stuck or open — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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