DTC U029D - Lost Communication With NOX Sensor A
WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION U029D - LOST COMMUNICATION WITH NOX SENSOR A
| Description: | This DTC sets when the PCM does not receive the nitrogen oxides bank 1, sensor 1 (NOx11) module message within the defined amount of time. | ||
| 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. For F-650/F-750, drive the vehicle until the system warning message has cleared from the instrument cluster message center. For all others, drive the vehicle, while carrying out the appropriate drive cycle procedure, until the system warning message has cleared from the instrument cluster message center. Refer to DRIVE CYCLES for additional information. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RD . | ||