TuningBot DTC Database · v4.37.14
Manufacturer-specific interpretation for Mercedes-Benz. All interpretations of P1400
The control module detected improper operation of the Exhaust gas recirculation (EGR) solenoid circuit. 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.
Exhaust gas recirculation (EGR) solenoid - circuit malfunction. The control module detected improper operation of the Exhaust gas recirculation (EGR) solenoid circuit. This is the manufacturer-specific definition used by Mercedes-Benz.
P1400 is a manufacturer-specific code. In this database it is documented for: 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: EGR System
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