Nissan Sentra: Common Codes & Fixes

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

19 codes have specific fixes for the Nissan Sentra
B2289 Nissan B2289 is commonly a multi-function switch failure on the steering column -- the wiper stalk's park circuit fails internally. 2007-2015 · Moderate DIY · 1-2 hours P0101 The MAF sensor (Hitachi MAF0031) on Nissan QR25DE engines gets contaminated quickly. 2002-2015 · easy DIY · 10 min (clean), 20 min (boot replacement) P0102 MAF signal is too low -- usually a dirty or failed sensor element. 2002-2015 · Easy DIY · 10-20 min P0110 IAT sensor is integrated into the MAF on Nissan QR25DE. 2002-2015 · Easy DIY · 10-20 min P0120 TPS circuit has a dead spot or erratic signal. 2002-2015 · Easy DIY · 30 min P0335 CKP sensor is located near the transmission bellhousing on the passenger side. 2002-2015 · easy DIY · 30 min P0420 Nissan has a known issue with premature cat failure. 2004-2018 · easy (PCV) DIY · 15 min (PCV), 2 hours (cat) P0440 The EVAP canister vent control valve (located near the charcoal canister by the fuel tank) sticks closed or open on Nissan vehicles. 2004-2018 · moderate DIY · 30-45 min P0447 P0447 indicates the EVAP vent control valve circuit is open. 2005-2018 · moderate DIY · 30-45 min P0500 The output shaft speed sensor on Nissan CVT and automatic transmissions fails around 100-120K miles. 2002-2015 · easy DIY · 30 min P0505 Clean the IACV and throttle body together. 2002-2015 · easy DIY · 30-45 min P0506 The electronic throttle body accumulates carbon deposits that reduce airflow at idle. 2002-2012 · Easy DIY · 30-45 minutes P0507 The electronic throttle body on the QR25DE accumulates heavy carbon deposits. 2002-2015 · easy DIY · 20 min P0604 Nissan P0604 means the ECM's internal RAM has failed self-check. 2007-2015 · pro only DIY · 2-3 hours P0720 The output speed sensor on Nissan CVTs fails at a high rate due to heat soak from the CVT running hot. 2003-2016 · Easy DIY · 0.5-1 hour P2106 Low battery voltage during cranking can false-trigger P2106. 2007-2015 · easy DIY · 30 min P2138 Check accelerator pedal ground (chassis ground near firewall). 2004-2014 · easy DIY · 45 min P3182 The Sentra's fuel injection system triggers P3182 when the fuel pressure sensor or HPFP fails. 2015-2019 · Moderate DIY · 1-2 hours U1000 U1000 is Nissan-specific and means a CAN communication fault. 2007-2020 · easy DIY · 15-30 min

Frequently Asked Questions

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

The most commonly reported OBD-II codes for the Nissan Sentra include B2289, P0101, P0102, P0110, P0120. 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 Sentra?

Repair costs vary by code. Many Nissan Sentra 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 Sentra 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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