Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the DTC
- Post selective catalytic reduction NOx sensor plausibility
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- Control Module Cavity
- Circuit reference CAN_L_3
- Circuit reference CAN_3_H
- Monitor Description
- Post selective catalytic reduction NOx sensor signal is not plausible in part load
- Prioritized List of Possible Causes
- Post selective catalytic reduction NOx sensor no reaction on high NOx peak
- Post selective catalytic reduction NOx sensor circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Post selective catalytic reduction NOx sensor failure