P2046 Engine Error Code
When you check engine light came on code P2046 the reason should be . However your vehicle's manufacturer may have a different definition for the P2046 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on your car models.
P2046 Code Symptoms
P2046 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.
Vehicle Speed Sensor (VSS) Out of Self Test Range Indicates the VSS input signal is out of Self Test range. If the PCM detects a VSS input signal any time during Self Test, a DTC P1501 will be set and the test will abort. Noisy VSS input signal from Radio Frequency Interference/ Electro-Magnetic Interference (RFI/EMI) external sources such as ignition wires, charging circuit or after market equipment. Check for VSS input to be 0 mph when vehicle transmission is in Park.
P2046 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP2046 Reductant Temperature Sensor Circuit Intermittent so you have to check ODB-II Engine Error Code list.
P2046 Code Review :The reason of P2046 OBD-II Engine Error Code is P2046 Reductant Temperature Sensor Circuit Intermittent.
P2046 Code Dictionary Meaning:
p - Powertrain Code - Problem is related engine, transmission and emissions systems.
2 - MFG - Manufacturer Specific
0 - Transmission
4 - Control Module Throttle Actuator Position Performance
6 - Transmission Control Module Reprogrammable Memory