The control module detected a fault associated with the Cruise Control "Decrease Distance" Signal circuit or function; the stored code identifies the affected component rather than a single failure mode.
TuningBot DTC Database · v4.37.15
P056B Cruise Control "Decrease Distance" Signal
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P056B means
Related and nearby codes
How to read P056B
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P056B
What does P056B mean?
Cruise Control "Decrease Distance" Signal. The control module detected a fault associated with the Cruise Control "Decrease Distance" Signal circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P056B generic or manufacturer-specific?
P056B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P056B at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
