TuningBot DTC Database · v4.37.15
6 manufacturer-specific interpretations across 5 manufacturers in the TuningBot DTC database.
ChevroletThe control module detected a fault associated with the Driver 3 Line 6 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.
DodgeThe control module detected a fault associated with the Engine control module (ECM) - engine shut - off control circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.
ECM
Land RoverThe control module detected a fault associated with the Immobilizer signal - CAN data bus circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Land Rover.
Mercedes-BenzThe control module detected a fault associated with the Cylinder cut - out solenoid, bank 1 or 2 - does not open circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.
VAGThe control module detected improper operation of the Injector 1 - current circuit. This is the manufacturer-specific definition used by Audi.
Wiring open circuit/short to ground
The control module detected an electrical fault in the Valve for Pump - Jet: Cylinder 1 (N240) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18074. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Irregular rpm
Check wiring and Check / Clean all connections
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (6 interpretations). The control module detected a fault associated with the Driver 3 Line 6 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.
P1666 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Dodge, Land Rover, Mercedes-Benz, VAG. The same number can mean something different on other brands.
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.
Understand the system behind this code: Immobilizer Systems and ECU Pairing
ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU