TuningBot DTC Database · v4.37.14
5 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.
Alfa RomeoThe control module detected improper operation of the AC compressor clutch relay. This is the manufacturer-specific definition used by Alfa Romeo.
FordThe control module detected an interruption (open circuit) in the Turbocharger / Supercharger Boost Pressure Control circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Ford.
HyundaiThe control module detected a fault associated with the #1 MF Signal Line Short circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.
VAGThe control module detected that the monitored Knock control, cylinder 7 - control value reached its permissible limit. This is the manufacturer-specific definition used by Audi.
The control module detected a fault associated with the Cylinder 7 Knock Control Limit Attained circuit or function; the stored code identifies the affected component rather than a single failure mode. 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 (5 interpretations). The control module detected improper operation of the AC compressor clutch relay. This is the manufacturer-specific definition used by Alfa Romeo.
P1331 is a manufacturer-specific code. In this database it is documented for: Alfa Romeo, Ford, Hyundai, 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 and, where the ECU needs it, corrects the checksum too. 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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