Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
057
Specific fault index within the subsystem.
Frequently asked questions about P2057
What does P2057 mean?
Reductant Injection Valve Circuit Low Bank 2 Unit 2. The control module detected that the signal in the Reductant Injection Valve circuit stayed below the expected operating range.
Is P2057 generic or manufacturer-specific?
P2057 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2057 at file level?
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.