DTC U05A1: NOX Sensor A Received Invalid Data From ECM/Pcm
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC U05A1: NOX SENSOR A RECEIVED INVALID DATA FROM ECM/PCM
| 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. 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 . | ||