Nissan Pathfinder: Common Codes & Fixes

Real-world diagnostic data for the Nissan Pathfinder. These are the codes techs see most often. Tap any code for the full vehicle-specific fix and the exact part.

16 codes have specific fixes for the Nissan Pathfinder
P0019 On 4.0L V6 Frontier/Xterra/Pathfinder, P0019 commonly points to the Bank 2 exhaust cam sensor reluctor or a loose VVT sprocket bolt. 2005-2015 · moderate DIY · 2-3 hours P0021 Bank 1 is always the bank containing cylinder number 1, and Bank 2 is the opposite head - which physical side that is depends on whether… 2005-2019 · Moderate DIY · 1-2 hours P0036 Nissan downstream O2 sensor heater failure usually means the sensor itself is dead. 2007-2019 · easy DIY · 30 min - 1 hour P0050 The bank 2 upstream O2 sensor on Nissan VQ-series V6 engines is located on the rear exhaust manifold, which makes access difficult. 2007-2019 · moderate DIY · 1-2 hours P0103 High MAF signal can be caused by a contaminated sensor element or an electrical short in the wiring. 2002-2015 · Easy DIY · 10-20 min P0129 Barometric pressure sensor (integrated into MAP on most VQ35) reads too low. 2005-2015 · Easy DIY · 20-30 min P0214 Older Nissan/VG33 engines have a cold start injector on the intake plenum that sets P0214 when it sticks or leaks. 1990-2000 · Moderate DIY · 1-2 hours P0332 Bank 2 knock sensor low signal. 2002-2015 · Moderate DIY · 2-3 hours P0346 Replace Bank 2 cam sensor (rear of engine, firewall side). 2005-2015 · moderate DIY · 2 hours P0391 Bank 2 (passenger side) camshaft position sensor B circuit fault. 2005-2015 · Moderate DIY · 45-60 min P0448 On larger Nissan vehicles, the vent valve harness runs a longer path and is more susceptible to chafing. 2013-2020 · moderate DIY · 1-2 hours P0455 The EVAP leak detection pump (mounted near the charcoal canister) fails on Nissan vehicles around 80-100K miles. 2008-2019 · moderate DIY · 1 hour P0700 P0700 on Nissan CVT transmissions is a red flag for CVT failure. 2005-2017 · easy (fluid), hard (CVT replacement) DIY · 30 min (fluid drain and fill) P0765 Solenoid D on the RE5R05A controls the 4-5 shift. 2005-2017 · Advanced DIY · 4-6 hours P3182 On these CVT-equipped Nissans, P3182 often pairs with transmission slip codes. 2014-2020 · Advanced DIY · Diagnostic only U1000 On Nissan trucks, U1000 frequently appears after a battery disconnect or when the battery is low. 2008-2020 · easy DIY · 30 min - 1 hour
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Frequently Asked Questions

What are the most common check engine light codes on a Nissan Pathfinder?

The most commonly reported OBD-II codes for the Nissan Pathfinder include P0019, P0021, P0036, P0050, P0103. Each code indicates a specific issue -- tap any code above for the full diagnostic breakdown.

How much does it cost to fix a check engine light on a Nissan Pathfinder?

Repair costs vary by code. Many Nissan Pathfinder fixes like gas cap replacement, sensor cleaning, or spark plug changes are under $50 in parts and can be done at home. More complex repairs like catalytic converter or transmission work can run $500-$2,000+ at a shop.

Can I drive my Nissan Pathfinder with the check engine light on?

It depends on the code. A steady check engine light usually means you can drive short distances safely. A flashing check engine light means stop driving immediately -- continued driving can cause serious engine damage. Scan the code first to know what you are dealing with.

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