AutoCodes – Generic – B1466

B1466 Code - Wiper Hi/Low Speed Not Switching

Quick Answer

The Body Control Module (BCM) monitors the Wiper Hi/Low Switch. Common causes include Faulty Wiper Hi/Low Switch, Wiper Hi/Low Switch harness is open or shorted, Wiper Hi/Low 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: B1466 indicates Wiper Hi/Low Speed Not Switching.
Common causes: Common causes include Faulty Wiper Hi/Low Switch, Wiper Hi/Low Switch harness is open or shorted, Wiper Hi/Low 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 3,997

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 Apr 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1466 Description

The Body Control Module (BCM) monitors the Wiper Hi/Low Switch. The BCM sets the OBDII code when the Wiper Hi/Low Switch is not to factory specifications.

OBDII Code B1466 - Wiper Hi/Low Speed Not Switching - AutoCodes.com — B1466 Code - Wiper Hi/Low Speed Not Switching

What does this mean?

What are the Possible Causes of the DTC B1466?

Faulty Wiper Hi/Low Switch
Wiper Hi/Low Switch harness is open or shorted
Wiper Hi/Low Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1466?

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 B1466 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 B1466 code?

Need more information on how to fix the B1466 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1466 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1466 Chrysler — Channel 2 Audio Speaker Output Circuit Low
B1466 Dodge — Channel 2 Audio Speaker Output Circuit Low
B1466 Jeep — Channel 2 Audio Speaker Output Circuit Low
B1466 RAM — Channel 2 Audio Speaker Output Circuit 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 B1466 Code

1. What are the common symptoms of OBDII code B1466 (Wiper Hi/Low Speed Not Switching)?

- Common symptoms include wipers only working at one speed, wipers not switching between high and low speeds, or wipers not working at all.

2. What are the possible causes of OBDII code B1466?

- Possible causes include a faulty wiper switch, damaged wiring or connectors in the wiper circuit, or a malfunctioning wiper motor.

3. How can I diagnose the issue related to OBDII code B1466?

- You can diagnose the issue by checking the wiper switch for proper functionality, inspecting the wiring and connectors for any damage, and testing the wiper motor for any faults.

4. Can a DIY enthusiast repair OBDII code B1466 at home?

- Depending on the root cause, some DIY enthusiasts may be able to repair B1466 at home by replacing the faulty wiper switch, repairing damaged wiring, or replacing the wiper motor.

5. Is it safe to continue driving with OBDII code B1466 (Wiper Hi/Low Speed Not Switching)?

- It is not recommended to continue driving with this issue as it can affect your visibility during adverse weather conditions, potentially leading to unsafe driving situations.

6. How much does it typically cost to repair OBDII code B1466?

- The cost of repairing B1466 can vary depending on the specific cause of the issue, but it may range from a few hundred to a few thousand dollars at a professional repair shop.

7. Are there any temporary fixes for OBDII code B1466 until it can be properly repaired?

- Temporary fixes may include manually adjusting the wiper speed by toggling the switch multiple times or ensuring the wipers are set to a constant speed that still provides visibility.

8. Does OBDII code B1466 affect other vehicle systems or components?

- B1466 specifically relates to the wiper speed switching function, so it generally does not affect other vehicle systems or components unless related issues develop as a result.

9. Can extreme weather conditions cause OBDII code B1466 to trigger?

- Extreme weather conditions can potentially exacerbate existing issues leading to B1466 triggering, especially if moisture or debris affects the wiper switch, wiring, or motor.

10. How long does it typically take to repair OBDII code B1466?

- The repair time for B1466 can vary depending on the cause and complexity of the issue, but it may take a few hours to a full day for a professional technician to diagnose and fix the problem.