Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
046
Specific fault index within the subsystem.
Frequently asked questions about P2046
What does P2046 mean?
Reductant temperature sensor - circuit intermittent. The control module detected an unstable or intermittent signal in the Reductant temperature circuit.
Is P2046 generic or manufacturer-specific?
P2046 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2046 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.