Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the DTC
- Range check pre 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
- Pre selective catalytic reduction NOx sensor signal out of range at low load positive deviation
- Prioritized List of Possible Causes
- The powertrain control module has determined failures where some circuit quantity, reported via serial data, is above a specified range
- Pre 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
- Pre selective catalytic reduction NOx sensor failure