AutoCodes – RAM – B1693 RAM

B1693 RAM Code - Accessory Dimming Control Circuit Low

Quick Answer

The Vehicle System Integration Module (VSIM) monitors the Cluster Dimmer Switch Sense. Common causes include Faulty Cluster Dimmer Switch Sense, Cluster Dimmer Switch Sense harness is open or shorted, Cluster Dimmer Switch Sense 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: B1693 RAM indicates Accessory Dimming Control Circuit Low.
Common causes: Common causes include Faulty Cluster Dimmer Switch Sense, Cluster Dimmer Switch Sense harness is open or shorted, Cluster Dimmer Switch Sense 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 724

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 Jun 19, 2019

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

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

Code B1693 RAM Description

The Vehicle System Integration Module (VSIM) monitors the Cluster Dimmer Switch Sense. The VSIM sets the OBDII code when it detects the Cluster Dimmer Switch Sense circuit below a calibrated value.

OBDII Code B1693 RAM - Accessory Dimming Control Circuit Low - AutoCodes.com — B1693 RAM Code - Accessory Dimming Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1693 RAM?

Faulty Cluster Dimmer Switch Sense
Cluster Dimmer Switch Sense harness is open or shorted
Cluster Dimmer Switch Sense circuit poor electrical connection
Faulty Vehicle System Integration Module (VSIM)

How to Fix the DTC B1693 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 B1693 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 B1693 RAM code?

Need more information on how to fix the B1693 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1693 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 B1693 RAM Code

1. What are the common symptoms of OBDII code B1693 RAM (Accessory Dimming Control Circuit Low)?

- Common symptoms include dim or flickering interior lights, malfunctioning dashboard lights, and issues with the dimming control feature.

2. What typically causes the OBDII code B1693 RAM?

- The code is usually triggered by a malfunction in the accessory dimming control circuit, which can be caused by wiring issues, a faulty dimmer switch, or a defective control module.

3. How can I diagnose the cause of OBDII code B1693 RAM?

- Diagnosing the issue involves checking the wiring connections, testing the dimmer switch for proper functionality, and using a multimeter to test voltage levels in the dimming control circuit.

4. What are some common repair tips for fixing OBDII code B1693 RAM?

- Repair tips may include repairing or replacing damaged wiring, replacing a faulty dimmer switch, or reprogramming the control module if necessary.

5. Can I drive my vehicle with the OBDII code B1693 RAM?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the underlying issue promptly to avoid further electrical problems.

6. How do I reset the OBDII code B1693 RAM after making repairs?

- After fixing the issue, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the error code.

7. Are there any safety concerns associated with OBDII code B1693 RAM?

- While the code itself does not pose a direct safety risk, malfunctioning interior lights or dashboard controls could potentially impact visibility while driving, so it's important to address the issue promptly.

8. Can extreme weather conditions cause OBDII code B1693 RAM to appear?

- Yes, extreme temperatures or humidity levels can sometimes cause electrical components to malfunction, leading to the triggering of this error code.

9. Is OBDII code B1693 RAM a common issue in specific vehicle makes or models?

- This code can occur in various vehicle makes and models that are equipped with accessory dimming control systems, but it may be more common in certain brands or models known for electrical issues.

10. What should I do if I am unable to diagnose or repair OBDII code B1693 RAM on my own?

- If you are unable to diagnose or repair the issue yourself, it is recommended to seek assistance from a qualified mechanic or automotive technician to properly address the problem.