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 · v4.37.14
P1566 Diagnostic Trouble Code (9 interpretations)
9 manufacturer-specific interpretations across 9 manufacturers in the TuningBot DTC database.
Chevrolet
1 interpretation
Chrysler
1 interpretationThe control module detected that the Cruise Control System Engine RPM value was above the expected limit. This is the manufacturer-specific definition used by Chrysler.
Recommended checks
- Perform a full module scan
- Review freeze-frame and occurrence data
- Confirm the exact vehicle, ECU and software context
- Inspect relevant wiring and connectors
- Check applicable OEM service information
Ford
1 interpretationThe control module detected that the Speed Control Command Switch value was outside the valid range. This is the manufacturer-specific definition used by Ford.
Possible causes
- Wiring
- CPP switch
- BPP switch
- cruise control module
- cruise control master switch
- VSS
Honda
1 interpretationThe control module detected a fault associated with the Motor commutation sensor - signal problem circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.
Possible causes
- Wiring
- motor control module (MCM) programming
- MCM
Hyundai
1 interpretationThe control module detected improper operation of the Analog Battery circuit. This is the manufacturer-specific definition used by Hyundai.
Jaguar
1 interpretationThe control module detected a fault associated with the Speed Control Command Switch Out Range Low circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jaguar.
Lexus
1 interpretationThe control module detected improper operation of the Cruise control switch circuit. This is the manufacturer-specific definition used by Lexus.
Possible causes
- Wiring
- cruise control switch
- ECM
Toyota
1 interpretationThe control module detected improper operation of the Cruise Control Main Switch circuit. This is the manufacturer-specific definition used by Toyota.
VAG
1 interpretationThe control module judged the AC compressor, load signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Audi.
Possible causes
- Wiring
- AC system
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?
Diagnostic Trouble Code (9 interpretations). 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, Chrysler, Ford, Honda, Hyundai, Jaguar, Lexus, Toyota, VAG. 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 and, where the ECU needs it, corrects the checksum too. 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
