AutoCodes – RAM – B2304 RAM

B2304 RAM Code - Wiper Park Switch Input Circuit Low

Quick Answer

The Totally Integrated Power Module (TIPM) provides a reference voltage on the wiper park switch sense circuit through a pull-up resistor that is connected to battery voltage. Common causes include Faulty Wiper Park Switch, Wiper Park Switch harness is open or shorted, Wiper Park 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: B2304 RAM indicates Wiper Park Switch Input Circuit Low.
Common causes: Common causes include Faulty Wiper Park Switch, Wiper Park Switch harness is open or shorted, Wiper Park 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 741

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 B2304 RAM Description

The Totally Integrated Power Module (TIPM) provides a reference voltage on the wiper park switch sense circuit through a pull-up resistor that is connected to battery voltage. The Wiper Park Switch switches the signal circuit to the ground when the wiper motor is in the park position. The TIPM detects a short to ground in the wiper park switch sense circuit.

OBDII Code B2304 RAM - Wiper Park Switch Input Circuit Low - AutoCodes.com — B2304 RAM Code - Wiper Park Switch Input Circuit Low

What does this mean?

What are the Possible Causes of the DTC B2304 RAM?

Faulty Wiper Park Switch
Wiper Park Switch harness is open or shorted
Wiper Park Switch circuit poor electrical connection
Faulty Front Wiper Motor
Faulty Totally Integrated Power Module (TIPM)

How to Fix the DTC B2304 RAM?

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 B2304 RAM 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 B2304 RAM Code

1. What are the common symptoms of OBDII code B2304 RAM (Wiper Park Switch Input Circuit Low)?

- Common symptoms include the wipers not parking correctly, erratic wiper movement, or wipers not working at all.

2. What can cause the OBDII code B2304 RAM to trigger?

- The code can be triggered by a faulty wiper park switch, damaged wiring in the wiper park switch circuit, or a malfunctioning wiper motor.

3. How can I diagnose the issue related to code B2304 RAM?

- You can start by checking the wiring and connections in the wiper park switch circuit, testing the wiper park switch for continuity, and ensuring the wiper motor is functioning properly.

4. Can a DIYer repair the OBDII code B2304 RAM issue?

- Depending on your skill level, you may be able to repair the issue yourself by replacing the wiper park switch, repairing any damaged wiring, or replacing the wiper motor if needed.

5. Are there any specific tools required to diagnose and repair code B2304 RAM?

- Basic tools such as a multimeter, electrical tape, and screwdrivers may be needed to diagnose and repair the issue related to code B2304 RAM.

6. What are the potential risks of ignoring the OBDII code B2304 RAM?

- Ignoring the code can lead to further wiper malfunction, compromising visibility during adverse weather conditions and potentially affecting overall driving safety.

7. How long does it typically take to repair the OBDII code B2304 RAM issue?

- The repair time can vary depending on the exact cause of the issue and your experience level, but it can generally take anywhere from 1 to 3 hours to resolve.

8. Is it safe to drive my vehicle with the OBDII code B2304 RAM active?

- It is not recommended to drive the vehicle with the code active, especially if the wipers are not functioning correctly, as it can pose a safety hazard during rainy or snowy conditions.

9. Can extreme weather conditions impact the likelihood of experiencing code B2304 RAM?

- Yes, extreme weather conditions such as heavy rain, snow, or ice can exacerbate issues related to the wiper park switch circuit, potentially triggering the OBDII code B2304 RAM.

10. How much does it typically cost to repair the OBDII code B2304 RAM through a professional mechanic?

- The cost of repair can vary depending on the exact cause of the issue, but it can range from $100 to $300 for parts and labor at a professional auto repair shop.