P23AB - NOX Sensor Processor Performance (Bank 1 Sensor 3)
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DTC DESCRIPTION P23AB - NOX SENSOR PROCESSOR PERFORMANCE (BANK 1 SENSOR 3)
| Description: This DTC sets when the nitrogen oxides bank 1, sensor 3 (NOx13) module internal temperature does not match the exhaust gas temperature bank 1, sensor 3 (EGT13) temperature after a 6 hour soak period. This DTC also sets when the NOx13 module has an internal error. | |||
Possible Causes:
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| Diagnostic Aids: The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RD . | ||