Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the DTC
- Heater performance check of post selective catalytic reduction NOx sensor
- 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 heater unavailable
- Post selective catalytic reduction NOx sensor heater is not able to reach temperature
- 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