Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the DTC
- Feedback check of post selective catalytic reduction NOx sensor
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control module cavity
- Circuit reference CAN_L_3
- Circuit reference CAN_3_H
- Monitor Description
- Post selective catalytic reduction NOx sensor delivers unplausible signal under steady state
- Prioritized List of Possible Causes
- 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