Nissan Titan Warning Lights: What They Mean

Red: stop or act now

Charge warning light

While the engine runs, the charging system may not be working properly.
What to do: Turn the engine off and check the generator belt. If it is loose, broken, missing, or the light stays on, have the system checked. PDF page 119

Engine oil pressure warning light

Engine oil pressure is low. It does not show low oil level.
What to do: If it flickers or comes on while driving, pull off safely, stop the engine immediately, and call a dealer or repair shop. PDF page 119

Electric shift control system warning light

A malfunction has occurred in the electric shift control system. The master warning light and chime also activate.
What to do: Make sure the parking brake is applied and have the system checked by a dealer. PDF page 119

Supplemental air bag warning light

Normally on about 7 seconds at start. If it stays on, flashes, or never lights, the air bag and pretensioner systems need service.
What to do: Have the vehicle checked as soon as possible; a dealer visit is recommended. PDF page 121

Malfunction Indicator Light (MIL)

Steady or blinking while running, it may indicate a possible emission control malfunction. Steady 20 seconds then blinking 10 seconds when off means not ready for inspection. PDF page 119

Security indicator light

Blinks when the ignition is in LOCK, OFF or ACC, showing the security system is operational. PDF page 121

Amber: check soon

Anti-lock Braking System (ABS) warning light

If it lights while the engine runs or while driving, the ABS may not be working. Brakes then work normally without anti-lock.
What to do: Have the system checked; a dealer visit is recommended. PDF page 121

Automatic Transmission check warning light

Comes on about 2 seconds at ignition ON. If it lights at any other time, the transmission may not be functioning properly.
What to do: Have the system checked; a dealer visit is recommended. PDF page 122

Low tire pressure warning light

Warns of low tire pressure or a TPMS malfunction.
What to do: Avoid sudden steering or braking, slow down, stop safely, and check all four tires. Inflate to the recommended cold pressure. PDF page 336

Automatic Emergency Braking (AEB) with Pedestrian Detection system warning light

Lights when the system is set to OFF. If it blinks or lights while the system is on, the system may be unavailable. PDF page 121

Hill descent control system ON indicator light

Lights when the system is activated. Blinking with the switch on means the system may be disabled. No light with the switch on may indicate a fault.
What to do: If the light does not come on with the switch on, have the system checked. PDF page 122

Electronic locking rear differential (E-Lock) system ON indicator light

Lights when the E-Lock clutch is fully engaged. It flashes on startup; continued flashing with the switch on means the system is not engaged. PDF page 122

Front passenger air bag status light

When lit, the passenger front air bag is off, depending on how the front passenger seat is being used. PDF page 122

Other warnings and indicators

Master warning light

Comes on when vehicle information display warnings appear, such as no key, low fuel, loose fuel cap, low tire pressure, or 4WD error. PDF page 125

Rear Automatic Braking (RAB) system warning light

Lights when the RAB system is turned off. If it lights while the system is on, the system may be unavailable. PDF page 125

Slip indicator light

Blinks when VDC is operating, showing a slippery road and near traction limits. It also comes on briefly at ignition ON.
What to do: If it does not come on at ignition ON, have the system checked. PDF page 125

Vehicle Dynamic Control (VDC) OFF indicator light

Lights when the VDC OFF switch is pushed, meaning VDC is not operating. It also comes on about 2 seconds at ignition ON.
What to do: Push the switch again or restart the engine. If it stays on while driving, have the VDC checked. PDF page 125

Green: system on

High Beam Assist indicator light

Lights when headlights are on with the switch in AUTO and high beams selected, showing high beam assist is operational. PDF page 126

Front fog light indicator light

Lights when the front fog lights are on. PDF page 125

Side light and headlight indicator light

Lights when the side light or headlight position is selected. PDF page 126

TOW mode ON indicator light

Lights when the tow mode function is on. PDF page 126

Turn signal/hazard indicator lights

The matching light flashes with the turn signal; both flash when the hazard switch is on. PDF page 126

Blue: system on

High beam indicator light

Comes on when the high beams are on or the passing signal is used; goes out when low beams are selected. PDF page 126

Summarized in our own words from the 2024 Nissan Titan owner's manual (AI-assisted; every light name was matched against its cited page 2026-10-18). Your vehicle may not have every light, and other years can differ. A red warning that stays on usually means stop safely and check: your manual has the final word.