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.
The cost to diagnose the P0038 2004 Nissan Maxima 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 P0038 is set when the ECM detects an excessively high voltage through the heated oxygen sensor heater circuit
Need more information on how to fix the P0038 2004 Nissan Maxima code? Get Access to Factory Service Manuals
Get the P0038 2004 Nissan Maxima code diagnosed by a professional: Find a repair shop in your area