OBD2 check engine codes for Nissan
Nissan's Jatco CVT is the single most common source of OBD2 codes across the lineup—P0840, P0868, and P0700 codes on CVT-equipped Altima, Rogue, and Sentra models are widespread. Nissan extended CVT warranties to 10 years/120,000 miles on many affected models; always verify warranty coverage before authorizing CVT repairs.
Select a code below for Nissan-specific causes, affected models, and repair cost estimates.
Frequently asked questions
What are the most common check engine codes for Nissan?
The most frequently seen OBD2 codes on Nissan vehicles include P0420 (catalyst efficiency), P0171 (system lean), P0300 (random misfire), P0128 (coolant below thermostat temperature), and P0442 (EVAP small leak). Select any code above for Nissan-specific causes and repair guidance.
Can I diagnose Nissan OBD2 codes myself?
Yes. A basic Bluetooth OBD2 scanner ($20–$40) paired with a free app will read all standard P-codes on any Nissan. For manufacturer-specific codes or advanced system faults, a professional scan tool provides more detail. Most auto parts stores will also read codes for free.
How much does it cost to fix a check engine code on a Nissan?
Repair costs vary widely by code and model. Simple fixes like a loose gas cap or a sensor replacement run $20–$150. Moderate repairs such as an oxygen sensor, thermostat, or ignition coil typically cost $150–$400. Major repairs like a catalytic converter or transmission component can run $500–$2,500 or more. Each code page includes a specific cost range.
Is it safe to drive a Nissan with the check engine light on?
It depends on the code. Many codes—like EVAP leaks or minor sensor faults—are safe to drive with for a few days. A flashing check engine light or codes related to misfires, oil pressure, or overheating require stopping immediately. Look up your specific code for a direct answer.
Browse Nissan by model year
Year-specific guides include Nissan-tailored causes and repair costs.