AutoCodes – Generic – B2181

B2181 Code - Front Wiper Select Switch 'C' Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Front Wiper Select Switch 'C'. Common causes include Faulty Front Wiper Select Switch 'C', Front Wiper Select Switch 'C' harness is open or shorted, Front Wiper Select Switch 'C' 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: B2181 indicates Front Wiper Select Switch 'C' Short To Ground.
Common causes: Common causes include Faulty Front Wiper Select Switch 'C', Front Wiper Select Switch 'C' harness is open or shorted, Front Wiper Select Switch 'C' 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 4,952

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 Sep 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2181 Description

The Body Control Module (BCM) monitors the Front Wiper Select Switch 'C'. The BCM sets the OBDII code when the Front Wiper Select Switch 'C' is not to factory specifications.

OBDII Code B2181 - Front Wiper Select Switch 'C' Short To Ground - AutoCodes.com — B2181 Code - Front Wiper Select Switch 'C' Short To Ground

What does this mean?

What are the Possible Causes of the DTC B2181?

Faulty Front Wiper Select Switch 'C'
Front Wiper Select Switch 'C' harness is open or shorted
Front Wiper Select Switch 'C' circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2181?

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 B2181 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 B2181 code?

Need more information on how to fix the B2181 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2181 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2181 Acura — Driver Side Door Lock Knob Switch LOCK/UNLOCK Signal Error
B2181 Chrysler — Heated Seat Module Power Supply Low
B2181 Dodge — Heated Seat Module Power Supply Low
B2181 Honda — Driver Side Door Lock Knob Switch LOCK/UNLOCK Signal Error
B2181 Jeep — Heated Seat Module Power Supply Low
B2181 RAM — Heated Seat Module Power Supply Low

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 B2181 Code

1. What are the common symptoms of OBDII code B2181 (Front Wiper Select Switch 'C' Short To Ground)?

The common symptoms of this code may include non-functional windshield wipers or erratic wiper movement.

2. What could cause OBDII code B2181 to trigger?

This code is typically triggered by a short circuit to ground in the front wiper select switch 'C' circuit.

3. How can I diagnose the issue related to OBDII code B2181?

Diagnosis involves inspecting the wiring and connectors related to the front wiper select switch 'C' for any signs of damage or corrosion.

4. Can a faulty front wiper select switch cause code B2181?

Yes, a faulty front wiper select switch can lead to a short to ground condition and trigger OBDII code B2181.

5. Is it safe to continue driving with OBDII code B2181 illuminated?

It is not recommended to drive with this code active, as non-functional windshield wipers can compromise visibility in adverse weather conditions.

6. How can I repair OBDII code B2181?

To repair this code, you may need to repair the short to ground in the front wiper select switch 'C' circuit, replace the faulty switch, or repair any damaged wiring.

7. Can moisture or water ingress cause OBDII code B2181?

Yes, moisture or water ingress in the front wiper select switch 'C' circuit can lead to a short to ground and trigger this code.

8. Will resetting the OBDII system clear code B2181?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return.

9. How much does it cost to repair OBDII code B2181?

The cost of repairing this code can vary depending on the extent of the damage and whether you choose to repair it yourself or take it to a professional mechanic.

10. Can a DIY enthusiast fix OBDII code B2181 at home?

Yes, a DIY enthusiast with the necessary tools and knowledge of automotive electrical systems may be able to diagnose and repair this code at home.