AutoCodes – RAM – B1868 RAM

B1868 RAM Code - Driver Window Switch Circuit Stuck

Quick Answer

The Driver Door Module (DDM) monitors the Driver Window Switch Circuit. Common causes include Faulty Driver Window Switch, Driver Window Switch harness is open or shorted, Driver Window 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: B1868 RAM indicates Driver Window Switch Circuit Stuck.
Common causes: Common causes include Faulty Driver Window Switch, Driver Window Switch harness is open or shorted, Driver Window 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.

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Code Popularity 774

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 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1868 RAM Description

The Driver Door Module (DDM) monitors the Driver Window Switch Circuit. The Driver Door Module sets the OBDII code when the Driver Window Express Switch Mux circuit is below 3.5 volts for over 30 seconds.

OBDII Code B1868 RAM - Driver Window Switch Circuit Stuck - AutoCodes.com — B1868 RAM Code - Driver Window Switch Circuit Stuck

What does this mean?

What are the Possible Causes of the DTC B1868 RAM?

Faulty Driver Window Switch
Driver Window Switch harness is open or shorted
Driver Window Switch circuit poor electrical connection
Faulty Driver Door Module (DDM)

How to Fix the DTC B1868 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 B1868 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.

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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 B1868 RAM Code

1. What are the common symptoms of OBDII code B1868 RAM (Driver Window Switch Circuit Stuck)?

- Common symptoms include the driver's power window being inoperative or not responding to switch commands.

2. What can cause the OBDII code B1868 RAM to trigger?

- This code is typically triggered by a malfunction in the driver window switch circuit, such as a short circuit or open circuit.

3. How can I diagnose the cause of OBDII code B1868 RAM?

- Diagnosing this code usually involves checking the wiring and connections related to the driver window switch, as well as testing the switch itself for proper functionality.

4. Can a faulty driver window switch be repaired, or does it need to be replaced?

- In many cases, a faulty driver window switch may need to be replaced to resolve the B1868 RAM code. Repairing the switch is not always feasible.

5. Are there any common repair tips for fixing the OBDII code B1868 RAM?

- Some common repair tips include checking for loose or damaged wiring connections, inspecting the fuse related to the power window circuit, and testing the switch for proper operation.

6. Is it safe to continue driving with the OBDII code B1868 RAM present?

- It is generally not recommended to continue driving with this code present, as it may result in the driver's power window being inoperable, which can be a safety hazard.

7. Can I reset the OBDII code B1868 RAM by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is important to diagnose and repair the underlying issue causing the code to prevent it from recurring.

8. How much does it typically cost to repair OBDII code B1868 RAM?

- The cost of repairing this code can vary depending on the specific cause of the issue and whether the driver window switch needs to be replaced. Costs may range from a simple fix to a more involved repair.

9. Will replacing the driver window switch fix the OBDII code B1868 RAM?

- Replacing the driver window switch may resolve the B1868 RAM code if the switch was the root cause of the issue. It is best to diagnose the problem accurately before replacing any components.

10. Can a DIY enthusiast fix the OBDII code B1868 RAM at home?

- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to diagnose and repair the driver window switch circuit issue causing the B1868 RAM code.