TuningBot DTC Database · v4.37.14
4 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.
FordThe control module detected that the signal in the Fuel Additive Level circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
HyundaiThe control module detected a fault associated with the Reverse Lamp 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 Hyundai.
MazdaThe control module detected that the signal in the Fuel Additive Level circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Mazda.
Mercedes-BenzThe control module detected that related sensor signals for Transmission shift lever control module, immobilizer did not agree with each other (correlation/plausibility fault). This is the manufacturer-specific definition used by Mercedes-Benz.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (4 interpretations). The control module detected that the signal in the Fuel Additive Level circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
P1925 is a manufacturer-specific code. In this database it is documented for: Ford, Hyundai, Mazda, Mercedes-Benz. 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: Immobilizer Systems and ECU Pairing
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