NOx Sensor ‘A’ Received Invalid Data From ECM/PCM
Table of contents
U05A1 FORD Possible Causes
- Faulty Nitrogen Oxide (NOx) Sensor ‘A’
- Nitrogen Oxide (NOx) Sensor ‘A’ harness is open or shorted
- Nitrogen Oxide (NOx) Sensor ‘A’ circuit poor electrical connection
How do I fix code U05A1 FORD?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the U05A1 FORD code
The cost of diagnosing the U05A1 FORD code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- ABS Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
U05A1 FORD Description
The Powertrain Control Module (PCM) monitors the Nitrogen Oxide (NOx) Sensor ‘A’. The Diagnostic Trouble Code (DTC) sets when an unexpected data link message was sent to the PCM form the Nitrogen Oxide (NOx) Sensor ‘A’ and was unable to be interpreted.