AutoCodes – RAM – B2303 RAM

B2303 RAM Code - Wiper Park Switch Input Circuit

Quick Answer

The Body Control Module (BCM) 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: B2303 RAM indicates Wiper Park Switch Input Circuit.
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 5,251

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
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B2303 RAM Description

The Body Control Module (BCM) 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 Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground on the Front Wiper Park Switch Sense circuit.

OBDII Code B2303 RAM - Wiper Park Switch Input Circuit - AutoCodes.com — B2303 RAM Code - Wiper Park Switch Input Circuit

What does this mean?

What are the Possible Causes of the DTC B2303 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 Body Control Module (BCM)

How to Fix the DTC B2303 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 does this mean?

Code Tech Notes

B2303-11 WIPER PARK SWITCH INPUT CIRCUIT SHORT TO GROUND
B2303-13 WIPER PARK SWITCH INPUT CIRCUIT OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2303 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 B2303 RAM Code

1. What are the common symptoms of OBDII code B2303 RAM related to the Wiper Park Switch Input Circuit?

The common symptoms include wipers not parking correctly, wipers not turning off, or intermittent wiper operation.

2. What are the possible causes of OBDII code B2303 RAM for the Wiper Park Switch Input Circuit?

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

3. How can I diagnose the issue related to OBDII code B2303 RAM for the Wiper Park Switch Input Circuit?

You can diagnose the issue by testing the wiper park switch, checking the wiring and connectors for damage, and inspecting the wiper motor for proper function.

4. What are some repair tips for fixing OBDII code B2303 RAM regarding the Wiper Park Switch Input Circuit?

Repair tips include replacing the wiper park switch if faulty, repairing or replacing damaged wiring or connectors, and, if needed, replacing the wiper motor.

5. Can I drive my vehicle with OBDII code B2303 RAM related to the Wiper Park Switch Input Circuit?

It is not recommended to drive the vehicle with this code as it can affect the proper functioning of the wiper system, especially during adverse weather conditions.

6. How much does it typically cost to repair OBDII code B2303 RAM for the Wiper Park Switch Input Circuit?

The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Is it possible to reset OBDII code B2303 RAM for the Wiper Park Switch Input Circuit without repairing the issue?

Resetting the code without fixing the underlying problem will likely result in the code reappearing once the issue is detected again by the vehicle's diagnostic system.

8. Are there any preventive measures to avoid OBDII code B2303 RAM for the Wiper Park Switch Input Circuit?

Regular inspection and maintenance of the wiper system, including checking the wiper park switch and wiring, can help prevent issues that may trigger this code.

9. How long does it typically take to repair OBDII code B2303 RAM related to the Wiper Park Switch Input Circuit?

The repair time can vary depending on the exact cause of the issue and the complexity of the repair, but it may take anywhere from 1 to 3 hours to complete.

10. Can I use a DIY approach to fix OBDII code B2303 RAM for the Wiper Park Switch Input Circuit?

While some DIY enthusiasts may attempt to diagnose and repair this issue, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair to ensure the wiper system functions correctly.