Theft Deterrent System Password Incorrect
Chrysler · engine
Data confidence62%
The control module detected that the Theft Deterrent System Password state or value did not match what was expected. 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
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
503
Specific fault index within the subsystem.
Frequently asked questions about P1503
What does P1503 mean?
Theft Deterrent System Password Incorrect. The control module detected that the Theft Deterrent System Password state or value did not match what was expected. This is the manufacturer-specific definition used by Chrysler.
Is P1503 generic or manufacturer-specific?
P1503 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 P1503 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.
ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU