The control module judged the Throttle Control System Backup System behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1511 Chevrolet - Throttle Control System Backup System Performance
Manufacturer-specific interpretation for Chevrolet. All interpretations of P1511
What P1511 means
Related and nearby codes
How to read P1511
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 P1511
What does P1511 mean?
Throttle Control System Backup System Performance. The control module judged the Throttle Control System Backup System behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Chevrolet.
Is P1511 generic or manufacturer-specific?
P1511 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 P1511 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
