AutoCodes – Cadillac – B2141 Cadillac

B2141 Cadillac Code - Outside Rearview Mirror Reached Limit Of Travel

Quick Answer

Outside rearview mirror switch supplies inputs to Memory Mirror Module (MMM) to drive outside rearview mirrors horizontal and vertical motors. Common causes include Faulty Outside Rearview Mirror Switch, Outside Rearview Mirror Switch harness is open or shorted, Outside Rearview Mirror 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
B2141 Cadillac indicates Outside Rearview Mirror Reached Limit Of Travel.
Common causes
Common causes include Faulty Outside Rearview Mirror Switch, Outside Rearview Mirror Switch harness is open or shorted, Outside Rearview Mirror 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 548
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 19, 2019
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Code B2141 Cadillac Description

Outside rearview mirror switch supplies inputs to Memory Mirror Module (MMM) to drive outside rearview mirrors horizontal and vertical motors. Outside rearview mirror switch must be in either L or R position in order to operate outside rearview mirror. When outside rearview mirror switch is actuated, the battery voltage input signal and the ground input signal is sent to MMM. When MMM recognizes input combination, it moves the appropriate mirror to the requested direction. If MMM does not recognize input combination as a valid input, it ignores combination and does not move outside rearview mirror.
OBDII Code B2141 Cadillac - Outside Rearview Mirror Reached Limit Of Travel - AutoCodes.com
B2141 Cadillac Code - Outside Rearview Mirror Reached Limit Of Travel

What are the Possible Causes of the DTC B2141 Cadillac?

  • Faulty Outside Rearview Mirror Switch
  • Outside Rearview Mirror Switch harness is open or shorted
  • Outside Rearview Mirror Switch circuit poor electrical connection
  • Faulty Memory Mirror Module (MMM)

How to Fix the DTC B2141 Cadillac?

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 B2141 Cadillac 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 B2141 Cadillac code?

Need more information on how to fix the B2141 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2141 Cadillac 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 B2141 Cadillac Code

1. What are common symptoms of OBDII code B2141 in a Cadillac related to the outside rearview mirror reaching the limit of travel?

- The common symptoms include the outside rearview mirror not adjusting properly or moving beyond its intended range.

2. What could cause the OBDII code B2141 in a Cadillac indicating that the outside rearview mirror has reached the limit of travel?

- The code B2141 can be triggered by a faulty mirror motor, damaged mirror assembly, or a problem with the mirror adjustment switch.

3. How can I diagnose the issue with the outside rearview mirror triggering the OBDII code B2141 in my Cadillac?

- You can start by checking the mirror adjustment switch for proper functionality, inspecting the mirror motor for any signs of damage, and ensuring the mirror assembly is not obstructed.

4. Can I reset the OBDII code B2141 in my Cadillac related to the outside rearview mirror without fixing the issue?

- While you can clear the code temporarily, it is recommended to address the underlying problem causing the mirror to reach its limit of travel to prevent the code from recurring.

5. Is it safe to drive my Cadillac with the OBDII code B2141 indicating an issue with the outside rearview mirror?

- It is generally safe to drive, but you may experience inconvenience due to the limited adjustability of the mirror. It is advisable to address the problem promptly.

6. Will fixing the OBDII code B2141 related to the outside rearview mirror in my Cadillac be expensive?

- The cost of repair can vary depending on the exact cause of the issue. It could range from a simple switch replacement to a more complex mirror motor repair.

7. Can I attempt to repair the outside rearview mirror issue triggering the OBDII code B2141 in my Cadillac myself?

- If you have experience with automotive repairs and the necessary tools, you may be able to troubleshoot and fix the problem. However, it is recommended to consult a professional if unsure.

8. Are there any temporary solutions to deal with the outside rearview mirror problem causing the OBDII code B2141 in my Cadillac?

- You can try manually adjusting the mirror to a suitable position and avoiding further adjustments until the issue is properly diagnosed and repaired.

9. Will the OBDII code B2141 in my Cadillac clear on its own if I fix the outside rearview mirror issue?

- After fixing the problem with the mirror adjustment, you may need to clear the code using an OBDII scanner to reset the system and extinguish the warning light.

10. Can extreme weather conditions affect the outside rearview mirror's functionality and trigger the OBDII code B2141 in my Cadillac?

- Yes, extreme weather conditions like freezing temperatures or excessive heat can impact the mirror's movement and potentially lead to the mirror reaching its limit of travel.

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