Start by checking 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.
Nitrogen oxides (NOx) sensor - range/performance problem
The cost to diagnose the P1035 Audi code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The Engine Control Module (ECM) monitors the Nitrogen Oxides (NOx) Sensor. The ECM sets the Diagnostic Trouble Code (DTC) when the Nitrogen Oxides (NOx) Sensor is not to factory specifications.
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