B23AA Chrysler Code - Implausible Data Received From Rain Sensor
Quick Answer
The Body Control Module (BCM) is the Local Interconnect Network (LIN) master for the Light Rain Sensing Module (LRSM). Common causes include Faulty Light Rain Sensing Module (LRSM), Light Rain Sensing Module (LRSM) harness is open or shorted, Light Rain Sensing Module (LRSM) 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
- B23AA Chrysler indicates Implausible Data Received From Rain Sensor.
- Common causes
- Common causes include Faulty Light Rain Sensing Module (LRSM), Light Rain Sensing Module (LRSM) harness is open or shorted, Light Rain Sensing Module (LRSM) 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.
Code B23AA Chrysler Description
What are the Possible Causes of the DTC B23AA Chrysler?
- Faulty Light Rain Sensing Module (LRSM)
- Light Rain Sensing Module (LRSM) harness is open or shorted
- Light Rain Sensing Module (LRSM) circuit poor electrical connection
How to Fix the DTC B23AA Chrysler?
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 B23AA Chrysler 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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Frequently Asked Questions about B23AA Chrysler Code
1. What does the OBDII code B23AA mean on a Chrysler vehicle?
The B23AA code indicates "Implausible Data Received From Rain Sensor," meaning the vehicle's control module is detecting abnormal or inconsistent signals from the rain sensor.
2. What are the common symptoms of the B23AA code?
Symptoms may include malfunctioning automatic wipers, wipers not adjusting to rainfall intensity, or a rain sensor error message on the dashboard.
3. What causes the B23AA code to appear?
Possible causes include a faulty rain sensor, damaged wiring or connectors, software glitches in the control module, or dirt and debris obstructing the rain sensor.
4. Can a dirty windshield cause the B23AA code?
Yes, dirt, debris, or residue on the windshield, especially in the area of the rain sensor, can cause it to send implausible data and trigger the code.
5. How do you diagnose the B23AA code?
Diagnosis involves inspecting the rain sensor and its connections, checking the windshield for contamination, testing the sensor's electrical signals, and using a scan tool to monitor live data from the rain sensor.
6. Can a faulty rain sensor trigger the B23AA code?
Yes, a defective rain sensor is one of the most common causes of this code and may need to be replaced if other issues are ruled out.
7. How do you fix the B23AA code on a Chrysler?
Repairs may include cleaning the windshield and rain sensor, repairing or replacing damaged wiring, and replacing the rain sensor if it is faulty.
8. Is the B23AA code a serious issue?
While it doesn’t usually affect vehicle safety, it can hinder the convenience of automatic wipers and requires attention to restore proper functionality.
9. Can a software update fix the B23AA code?
In some cases, a software update for the vehicle’s control module may resolve communication or data interpretation issues related to the rain sensor.
10. How much does it cost to fix the B23AA code?
Repair costs vary but may range from $50 to $300, depending on whether the issue is a simple cleaning, wiring repair, or rain sensor replacement.
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