The control module detected that the Cruise Control System Engine RPM value was above the expected limit. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1566 Chevrolet - Cruise Control System Engine RPM Too High
Manufacturer-specific interpretation for Chevrolet. All interpretations of P1566
What P1566 means
Related and nearby codes
How to read P1566
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1566
What does P1566 mean?
Cruise Control System Engine RPM Too High. The control module detected that the Cruise Control System Engine RPM value was above the expected limit. This is the manufacturer-specific definition used by Chevrolet.
Is P1566 generic or manufacturer-specific?
P1566 is a manufacturer-specific code. In this database it is documented for: Chevrolet. The same number can mean something different on other brands.
Can TuningBot remove P1566 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
