Understanding dashboard warning lights on your Nissan Titan is essential for maintaining vehicle safety, as they alert you to potential issues that could lead to accidents or breakdowns if ignored.
Recognizing these lights helps you respond promptly, preventing minor problems from escalating into costly repairs or dangerous situations. Regular attention to them ensures your truck runs efficiently and keeps you and your passengers protected on the road.

Quick Navigation
Red (Stop Immediately)
Brake Warning

This light signals low brake fluid or a parking brake that’s engaged, which could lead to brake failure. Pull over safely, check the fluid level, and seek a mechanic if the issue persists.
Engine Oil Pressure Low

Indicates low oil pressure that might cause engine damage from lack of lubrication. Stop driving right away, check the oil level, and add oil or visit a service center.
Coolant Temperature High

Shows the engine is overheating due to low coolant or a cooling system fault. Stop the vehicle immediately, let it cool, and add coolant or get professional help.
Charge Warning

Appears when there’s a problem with the electrical charging system, like a faulty alternator or belt. Turn off the engine, inspect the belt, and have it serviced promptly.
Supplemental Airbag Warning

Means the airbag system might not deploy in a crash, often due to a sensor issue. Stop and have the system checked by a technician to ensure safety.
Transmission Warning

Indicates overheating or malfunction in the automatic transmission. Stop driving to avoid damage, and tow the vehicle to a service center for inspection.
Power Steering Warning

Points to a failure in the power steering system, making steering difficult and unsafe. Stop immediately and contact a mechanic for repairs.
Reduced Power Warning

The engine is in reduced power mode due to a fault, limiting speed and performance. Pull over and have the onboard diagnostics checked at a service center.
Exhaust Particulate Filter (DPF) Full

For diesel models, this means the filter is clogged with soot, risking engine damage. Stop and regenerate the filter or visit a service center.
Glow Plug Warning

On diesel engines, it shows glow plugs are faulty or overheating, preventing proper startup. Do not start the engine; wait and consult a mechanic.
Seatbelt Reminder

Alerts if seatbelts are not fastened, increasing injury risk in a crash. Stop and ensure all passengers buckle up before continuing.
Door Ajar

Indicates an open door, which could be hazardous at speed. Pull over safely and close all doors securely.
Master Warning

A general alert for critical issues like multiple system failures. Stop the vehicle and refer to the owner’s manual or seek immediate service.
Engine Temperature Warning

Similar to coolant high, it means the engine is too hot, possibly from a leak. Stop right away to prevent severe damage.
Yellow/Amber (Action Required Soon)
Anti-Lock Braking System (ABS) Warning

The ABS is not working, reducing braking effectiveness on slippery roads. Drive carefully and visit a service center soon to fix it.
Low Tire Pressure Warning

Tires have low air pressure, affecting handling and fuel efficiency. Check and inflate tires to the recommended level promptly.
Check Engine Light

Also called Malfunction Indicator, it signals issues like a loose gas cap or emissions problems. Tighten the cap or schedule a diagnostic check.
Automatic Transmission Check

Means the transmission isn’t functioning properly, possibly due to fluid issues. Have it inspected by a technician without delay.
Low Fuel Warning

Fuel level is critically low, risking a stall. Refuel as soon as possible to avoid running out.
Service Soon

Indicates general maintenance needs, like light bulb issues or minor faults. Visit a dealer for a check-up.
ESP Fault

The electronic stability program has a problem, impacting traction control. Get it serviced to restore vehicle stability.
Security Indicator (Blinking)

Shows the security system is active but might have an issue if it persists. Check the key or have the system diagnosed.
Wiper Fluid Low

Windshield washer fluid is low, impairing visibility. Refill the reservoir soon.
Exhaust Fluid Low (Diesel)

Exhaust fluid needs topping up to maintain emissions control. Refill or visit a service center.
Overdrive/Sport Mode

Indicates sport mode is engaged, but if unexpected, it might signal a mode fault. Check settings or get it looked at.
Traction Control/ESP Indicator

Alerts to slippery conditions or system engagement, but if steady, it needs service. Drive cautiously and repair.
Headlight/Tail Light Out

One or more lights are not working, reducing visibility. Replace the bulbs promptly.
Gas Cap Loose

The fuel cap isn’t secure, causing evaporation issues. Tighten it and reset if the light stays on.
Green (Information Only)
High Beam Indicator

Shows high beam headlights are on for better night visibility. No action needed unless you want to switch to low beams.
Fog Light Indicator

Confirms fog lights are active for low-visibility conditions. Turn off when not required.
Cruise Control Indicator

Indicates cruise control is set and maintaining speed. Adjust or deactivate as desired.
Turn Signal Indicators

Arrows flash to show left or right turn signals are on. They remind you to turn them off after use.
Security System Active
A key in a car outline means the anti-theft system is armed. No action; it’s just confirmation.
Vehicle Dynamic Control On
The system is active, helping with traction on slippery roads. Informational only.
Eco Mode Indicator

Shows eco mode is enabled for better fuel efficiency. Switch modes if you prefer performance.
Overdrive On

Indicates overdrive is active for highway driving efficiency. No immediate action.
Sport Mode Indicator

Confirms sport mode for enhanced handling. Informational for your driving style.
Low Beam Headlights On

Lights are on in low beam mode. Reminder for daytime or night use.
Parking Lights On

Parking lights are activated. Turn off when not parked.
Hazard Lights Indicator

Flashing signals hazards are on for emergencies. Deactivate when safe.
4WD Mode Indicator

Confirms four-wheel drive is engaged for off-road. Switch back when on pavement.
When looking at Nissan, make sure to check out our guides on models like the Nissan Frontier, Nissan Versa, Nissan Micra, and Nissan Note. Understanding dashboard warning lights is essential. Our expert reviews break down what each light means, highlighting common alerts for these models and what they could signal about underlying issues, so you’re never left guessing behind the wheel.


