AutoCodesJeep – B2343 Jeep

B2343 Jeep Code - Front/Rear Washer Motor Control Circuit High

Quick Answer

The Front Control Module (FCM) monitors the Front/Rear Washer Motor. Common causes include Faulty Front/Rear Washer Motor, Front/Rear Washer Motor harness is open or shorted, Front/Rear Washer Motor 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
B2343 Jeep indicates Front/Rear Washer Motor Control Circuit High.
Common causes
Common causes include Faulty Front/Rear Washer Motor, Front/Rear Washer Motor harness is open or shorted, Front/Rear Washer Motor 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 496
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 12, 2019
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Code B2343 Jeep Description

The Front Control Module (FCM) monitors the Front/Rear Washer Motor. The FCM sets the OBDII code when the Front/Rear Washer Motor is not to factory specifications.
OBDII Code B2343 Jeep - Front/Rear Washer Motor Control Circuit High - AutoCodes.com
B2343 Jeep Code - Front/Rear Washer Motor Control Circuit High

What are the Possible Causes of the DTC B2343 Jeep?

  • Faulty Front/Rear Washer Motor
  • Front/Rear Washer Motor harness is open or shorted
  • Front/Rear Washer Motor circuit poor electrical connection
  • Faulty Front Control Module (FCM)

How to Fix the DTC B2343 Jeep?

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 B2343 Jeep 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.

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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 B2343 Jeep Code

1. What does the OBDII code B2343 mean on a Jeep?

The B2343 code indicates a high voltage issue in the Front/Rear Washer Motor Control Circuit, potentially affecting the operation of the washer motor.

2. What are the common symptoms of the B2343 code?

Symptoms may include the windshield washer motor not working, intermittent washer fluid spray, or no response when activating the washer system.

3. What causes the B2343 code on a Jeep?

Common causes include a faulty washer motor, damaged wiring or connections in the washer circuit, or a malfunctioning body control module (BCM).

4. Can I still drive my Jeep with the B2343 code?

Yes, the vehicle is drivable, but the windshield washer system may not function, which can reduce visibility in adverse weather conditions.

5. How do I diagnose the B2343 code?

Start by inspecting the washer motor, wiring, and connectors for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit.

6. How do I fix the B2343 code on my Jeep?

Repairs may include replacing the washer motor, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the BCM.

7. How much does it cost to fix the B2343 code?

Costs can vary, but replacing a washer motor typically ranges from $50 to $150, while wiring repairs or BCM replacement may cost more depending on labor and parts.

8. Can a blown fuse cause the B2343 code?

Yes, a blown fuse in the washer motor circuit can contribute to the code, so check the fuses associated with the washer system.

9. Does the B2343 code require specialized tools to fix?

Basic tools like a multimeter, wiring diagrams, and possibly an OBDII scanner are needed. Advanced diagnostic tools may be required to test the BCM.

10. Can I clear the B2343 code without fixing the issue?

Clearing the code is possible with an OBDII scanner, but it will likely return if the underlying issue isn’t resolved.

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