AutoCodesRAM – B1808 RAM

B1808 RAM Code - Passenger Door Lock/Unlock Switch Circuit Stuck Lock

Quick Answer

The Instrument Cluster monitors Passenger Door Lock/Unlock Switch. Common causes include Faulty Passenger Door Lock/Unlock Switch, Passenger Door Lock/Unlock Switch harness is open or shorted, Passenger 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
B1808 RAM indicates Passenger Door Lock/Unlock Switch Circuit Stuck Lock.
Common causes
Common causes include Faulty Passenger Door Lock/Unlock Switch, Passenger Door Lock/Unlock Switch harness is open or shorted, Passenger 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 922
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 02, 2019
💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1808 RAM Description

The Instrument Cluster monitors Passenger Door Lock/Unlock Switch. When the Instrument Cluster senses voltage to the passenger door lock switch between 2.0 and 2.9 Volts for over 10 seconds, this Diagnostic Trouble Code (DTC) will set.
OBDII Code B1808 RAM - Passenger Door Lock/Unlock Switch Circuit Stuck Lock - AutoCodes.com
B1808 RAM Code - Passenger Door Lock/Unlock Switch Circuit Stuck Lock

What are the Possible Causes of the DTC B1808 RAM?

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

How to Fix the DTC B1808 RAM?

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 B1808 RAM 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 B1808 RAM code?

Need more information on how to fix the B1808 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1808 RAM 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.

Frequently Asked Questions about B1808 RAM Code

1. What does the OBDII code B1808 mean for RAM vehicles?

The B1808 code indicates that the passenger door lock/unlock switch circuit is stuck in the "lock" position, causing improper door lock operation.

2. What are common symptoms of the B1808 code?

Symptoms include the passenger door lock not responding to commands, the lock being stuck in the locked position, or issues with remote keyless entry.

3. What causes the B1808 code to appear?

Common causes include a faulty passenger door lock/unlock switch, damaged wiring or connectors in the circuit, or a malfunctioning door lock actuator.

4. How can I diagnose the B1808 code?

Start by inspecting the passenger door lock/unlock switch and its wiring for visible damage. Use a multimeter to test for continuity and ensure proper voltage is reaching the circuit.

5. Can a faulty door lock actuator trigger the B1808 code?

Yes, a malfunctioning door lock actuator may cause the circuit to stick in the lock position, triggering the B1808 code.

6. Is the B1808 code serious?

While it doesn’t affect drivability, it can compromise the convenience and security of the vehicle, so it’s important to address the issue promptly.

7. How do I fix the B1808 code on my RAM?

Repairs may involve replacing the passenger door lock/unlock switch, repairing damaged wiring, or replacing the door lock actuator if it's faulty.

8. Can a software issue cause the B1808 code?

It's uncommon, but a glitch in the Body Control Module (BCM) could potentially cause the issue. A system reset or reprogramming might be necessary in rare cases.

9. How much does it cost to repair the B1808 code?

Repair costs vary but typically range from $50 to $300 depending on whether the switch, actuator, or wiring needs replacement.

10. Can I clear the B1808 code without fixing the issue?

Clearing the code without addressing the root cause will only result in the code returning, as the underlying problem remains unresolved.

Discuss the causes and fixes for B1808 RAM OBDII Code

Code B1808 RAM comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play