AutoCodes – Jeep – B1803 Jeep

B1803 Jeep Code - Driver Door Lock/Unlock Switch Circuit Stuck Lock

Quick Answer

The Instrument Cluster monitors Driver Door Lock/Unlock Switch. Common causes include Faulty Driver Door Lock/Unlock Switch, Driver Door Lock/Unlock Switch harness is open or shorted, Driver Door Lock/Unlock Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1803 Jeep indicates Driver Door Lock/Unlock Switch Circuit Stuck Lock.
Common causes: Common causes include Faulty Driver Door Lock/Unlock Switch, Driver Door Lock/Unlock Switch harness is open or shorted, Driver Door Lock/Unlock Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,307

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1803 Jeep Description

The Instrument Cluster monitors Driver Door Lock/Unlock Switch. When the Instrument Cluster senses voltage to the driver door lock switch between 2.0 and 2.9 volts for over 10 seconds, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1803 Jeep - Driver Door Lock/Unlock Switch Circuit Stuck Lock - AutoCodes.com — B1803 Jeep Code - Driver Door Lock/Unlock Switch Circuit Stuck Lock

What does this mean?

What are the Possible Causes of the DTC B1803 Jeep?

Faulty Driver Door Lock/Unlock Switch
Driver Door Lock/Unlock Switch harness is open or shorted
Driver Door Lock/Unlock Switch circuit poor electrical connection
Faulty Instrument Cluster

How to Fix the DTC B1803 Jeep?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1803 Jeep code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1803 Jeep code?

Need more information on how to fix the B1803 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1803 Jeep code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.