TuningBot DTC Database · v4.37.15
10 manufacturer-specific interpretations across 9 manufacturers in the TuningBot DTC database.
ChevroletThe control module detected a fault associated with the Injector Circuit Cylinder 4 Intermittent 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.
ChryslerThe control module detected a fault associated with the Injector Circuit Cylinder 4 Intermittent 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.
FordThe control module detected a fault associated with the High Speed Fuel Pump Relay Activated circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.
HyundaiThe control module detected improper operation of the Fuel Pump. This is the manufacturer-specific definition used by Hyundai.
Land RoverThe control module detected a short circuit to battery voltage in the Fuel pump relay circuit. This is the manufacturer-specific definition used by Land Rover.
MitsubishiThe control module judged the Automatic stability control signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Mitsubishi.
OpelThe control module detected a fault associated with the Fuel pump relay circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Opel.
SuzukiThe control module detected a fault associated with the Fuel Pump Relay High Voltage circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Suzuki.
VAGThe control module detected a short circuit to ground in the Injector 7 circuit. This is the manufacturer-specific definition used by Audi.
The control module detected a short circuit to ground in the Injector Circuit Cylinder 7 circuit. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (10 interpretations). The control module detected a fault associated with the Injector Circuit Cylinder 4 Intermittent 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.
P1231 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Ford, Hyundai, Land Rover, Mitsubishi, Opel, Suzuki, 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: Diagnostic Strategy and DTC Logic
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