The control module detected a fault associated with the Too Much Secondary Air Injection Conditions circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
TuningBot DTC Database · v4.37.15
P1477 Chrysler - Too Much Secondary Air Injection Conditions
Manufacturer-specific interpretation for Chrysler. All interpretations of P1477
What P1477 means
Related and nearby codes
How to read P1477
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 P1477
What does P1477 mean?
Too Much Secondary Air Injection Conditions. The control module detected a fault associated with the Too Much Secondary Air Injection Conditions circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
Is P1477 generic or manufacturer-specific?
P1477 is a manufacturer-specific code. In this database it is documented for: Chrysler. The same number can mean something different on other brands.
Can TuningBot remove P1477 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: Secondary Air System
