Check Engine Light Flashing

The check engine light flashing in a 2023 Nissan Titan is a red flag that the engine is misfiring or another severe fault is present. A flashing light can indicate conditions that may damage the catalytic converter or cause loss of power; continuing to drive risks greater repair costs and unsafe operation. At Larry H. Miller Nissan Mesa in Mesa, AZ, our factory-trained technicians prioritize safety and rapid diagnostics. We perform a methodical scan of engine and ignition systems, battery and charging checks, and targeted component tests to stop damage before it spreads. For many customers, what looks like an expensive repair initially turns out to be a targeted sensor or ignition component replacement—completed faster and often more affordably here than at independent shops, because we stock OEM parts and use dealer-grade diagnostic tools. We also provide service financing so you can address the problem immediately without delay. Check our service specials and schedule service online to get same-day attention when possible.

2023 Nissan Titan Check Engine Light Codes

Common check engine light codes for the 2023 Nissan Titan include P0420 (catalyst efficiency low), P0300 (random/multiple cylinder misfire), P0171/P0174 (fuel trim lean), and sensor-related codes tied to oxygen or mass airflow sensors. If left unrepaired, each can lead to rising fuel costs, reduced performance, and more expensive repairs—P0420 untreated can eventually require catalytic converter replacement, which is costly; P0300 can cause engine damage and increased emissions; fuel-trim issues can erode fuel economy and stress engine components. At Larry H. Miller Nissan Mesa, we explain the cost implications clearly and provide transparent estimates that often beat independent shops because accurate OEM repairs reduce repeat visits and extend vehicle life. Our Mesa facility offers rapid diagnostics, OEM replacements, and technician certification specific to Nissan trucks. We also test battery and charging systems—sometimes codes trace back to low voltage conditions—and if a battery replacement is needed for your 2023 Nissan Titan we carry OEM-fit options. To prioritize your schedule and savings, view our service specials and schedule service online.

2023 Nissan Titan Check Engine Light Reset

Resetting the check engine light on a 2023 Nissan Titan can seem straightforward, but clearing codes without addressing the root cause risks recurring failures and voiding warranty protections. At Larry H. Miller Nissan Mesa, we recommend completing the required repairs before a reset so your vehicle logs no new or persistent faults. Our technicians document the diagnostic findings, perform OEM repairs, and then confirm successful fixes by re-scanning and road-testing the vehicle. Choosing the dealership for a reset ensures transparency, genuine parts, and proper warranty handling—repairs covered under warranty must be performed at a certified dealership. This approach often results in immediate and long-term savings compared with short-term fixes. We also provide financing options to make timely repairs easier and publish current coupons under our service specials. When you’re ready, schedule appointment online for certified care of your 2023 Nissan Titan.