P1805 2004 Nissan Altima Sedan - Stop Lamp Switch

Possible causes

- Faulty Stop Lamp Switch
- Stop Lamp Switch harness is open or shorted
- Stop Lamp Switch circuit poor electrical connection

Possible symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

P1805 2004 Nissan Altima Sedan Description

Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed.

This signal is used mainly to decrease the engine speed when the vehicle is driving.

• p1805 2004 nissan altima sedan