TuningBot DTC Database · v4.37.14
8 manufacturer-specific interpretations across 7 manufacturers in the TuningBot DTC database.
ChevroletThe control module detected that the Diesel particulate filter (DPF) regeneration frequency value was below the expected limit. This is the manufacturer-specific definition used by Chevrolet.
HondaThe control module detected improper operation of the Hybrid battery pack cooling. This is the manufacturer-specific definition used by Honda.
KiaThe control module detected improper operation of the Evaporative emission (EVAP) leak detection module heater circuit. This is the manufacturer-specific definition used by Kia.
MINIThe control module detected that the Diagnostic Module Tank Leakage Pump value was below the expected limit. This is the manufacturer-specific definition used by MINI.
NissanThe control module detected improper operation of the Evaporative emission (EVAP) canister purge system - vent control valve. This is the manufacturer-specific definition used by Nissan.
SubaruThe control module judged the Evaporative emission (EVAP) canister purge valve behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Subaru.
VAGThe control module detected a short circuit to ground in the Catalyst Temperature Sensor 2 circuit. This is the manufacturer-specific definition used by Audi.
The control module detected a short circuit to ground in the Catalyst Temperature Sensor 2 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 (8 interpretations). The control module detected that the Diesel particulate filter (DPF) regeneration frequency value was below the expected limit. This is the manufacturer-specific definition used by Chevrolet.
P1448 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Honda, Kia, MINI, Nissan, Subaru, 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: DPF System
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