AutoCodes – Generic – B230A

B230A Code - Rear Wiper Switch Input Circuit Low

Quick Answer

The Cluster monitors the Rear Wiper Switch. Common causes include Faulty Right Multifunction Switch, Right Multifunction Switch harness is open or shorted, Right Multifunction 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: B230A indicates Rear Wiper Switch Input Circuit Low.
Common causes: Common causes include Faulty Right Multifunction Switch, Right Multifunction Switch harness is open or shorted, Right Multifunction 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 990

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 Oct 31, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B230A Description

The Cluster monitors the Rear Wiper Switch. The Diagnostic Trouble Code (DTC) sets when the Cluster detects the Rear Wiper Switch is shorted low.

OBDII Code B230A - Rear Wiper Switch Input Circuit Low - AutoCodes.com — B230A Code - Rear Wiper Switch Input Circuit Low

What does this mean?

What are the Possible Causes of the DTC B230A?

Faulty Right Multifunction Switch
Right Multifunction Switch harness is open or shorted
Right Multifunction Switch circuit poor electrical connection

How to Fix the DTC B230A?

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 B230A 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 B230A code?

Need more information on how to fix the B230A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B230A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B230A Chrysler — Rear Wiper Switch Input Circuit Low
B230A Dodge — Rear Wiper Switch Input Circuit Low
B230A Jeep — Rear Wiper Switch Input Circuit Low
B230A RAM — Rear Wiper Switch Input 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 B230A Code

1. What does the OBDII code B230A mean?

The B230A code indicates a problem with the rear wiper switch input circuit, specifically a low voltage signal being detected.

2. What are the symptoms of the B230A code?

Symptoms may include the rear wiper not functioning, intermittent operation, or the wiper operating at the wrong speed.

3. What causes the B230A code to appear?

Common causes include a faulty rear wiper switch, damaged wiring or connectors in the circuit, or a malfunctioning body control module (BCM).

4. How is the B230A code diagnosed?

Diagnosis typically involves inspecting the rear wiper switch, checking for damaged or corroded wiring, and using a multimeter to test voltage and continuity in the circuit.

5. Can a blown fuse cause the B230A code?

Yes, a blown fuse in the rear wiper circuit could cause a low voltage condition and trigger the code.

6. How do you fix the B230A code?

Repairs may include replacing the rear wiper switch, repairing damaged wiring or connectors, or reprogramming or replacing the BCM if necessary.

7. Is it safe to drive with the B230A code active?

Yes, driving is generally safe, but the rear wiper may not function properly, which could be problematic in rainy or snowy conditions.

8. Can a software update fix the B230A code?

In some cases, a BCM software update from the manufacturer may resolve the issue if it's related to programming.

9. How much does it cost to repair the B230A code?

Costs vary depending on the repair, but replacing a rear wiper switch typically costs $50â€“$150, while BCM replacement or reprogramming can be more expensive.

10. Can the B230A code clear itself?

The code may clear temporarily if the issue is intermittent, but it will likely return unless the underlying problem is fixed.