Engine-Codes - Generic - P1805

P1805 Code - Stop Lamp Switch

- Code Popularity: 27,309 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC P1805?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Stop Lamp Switch
  • Stop Lamp Switch harness is open or shorted
  • Stop Lamp Switch circuit poor electrical connection
⚠ Does your Car have Safety Recalls? → Check here

How to Fix the DTC P1805?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Search for P1805 Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1805 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P1805 Code Mean?

The brake switch signal is applied to the Engine Control Module (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. The Diagnostic Trouble Code (DTC) will be set when the ECM detects a faulty Stop Lamp Switch.

P1805 Code - Stop Lamp Switch

Need more Information on the Code?

Need more information on how to fix the P1805 code? Get Access to Factory Service Manuals

Code P1805 Information for Specific Makes

Need Help with the Code?

Get the P1805 code diagnosed by a professional: Find a repair shop in your area