B2338 Chrysler Code - Horn Control Circuit Open
Quick Answer
The Front Control Module (FCM) monitors the Horn Control Circuit. Common causes include Faulty Horn Fuse, Faulty Horn Relay, Horn Relay harness is open or shorted. 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
- B2338 Chrysler indicates Horn Control Circuit Open.
- Common causes
- Common causes include Faulty Horn Fuse, Faulty Horn Relay, Horn Relay harness is open or shorted.
- 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 B2338 Chrysler Description
What are the Possible Causes of the DTC B2338 Chrysler?
- Faulty Horn Fuse
- Faulty Horn Relay
- Horn Relay harness is open or shorted
- Horn Relay circuit poor electrical connection
- Faulty Front Control Module (FCM)
How to Fix the DTC B2338 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 B2338 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 B2338 Chrysler Code
1. What are the common symptoms of OBDII code B2338 Chrysler (Horn Control Circuit Open)?
- The common symptoms include the horn not working, the horn sounding continuously, or the horn sounding weak or intermittent.
2. What are the possible causes of OBDII code B2338 in a Chrysler vehicle?
- The code B2338 indicates a fault in the horn control circuit, which can be caused by a blown fuse, a faulty horn switch, a damaged horn relay, or wiring issues.
3. How can I diagnose the OBDII code B2338 in my Chrysler for the horn control circuit open?
- You can start by checking the horn fuse, testing the horn switch for continuity, inspecting the horn relay, and carefully examining the wiring for any visible damage or corrosion.
4. Can I still drive my Chrysler with the OBDII code B2338 related to the horn control circuit open?
- It is generally safe to drive the vehicle with this code, but it is important to address the issue promptly as the horn is a safety feature that may be needed in emergencies.
5. Is it possible to reset the OBDII code B2338 in a Chrysler without fixing the issue with the horn control circuit?
- Resetting the code without fixing the underlying issue will likely result in the code reappearing once the system detects the fault again.
6. What are some repair tips for fixing OBDII code B2338 Chrysler related to the horn control circuit?
- Repair tips include checking and replacing the horn fuse, testing and replacing the horn switch if necessary, inspecting and replacing the horn relay, and repairing any damaged wiring.
7. Do I need special tools to repair OBDII code B2338 in a Chrysler for the horn control circuit open?
- Basic tools like a multimeter, wire strippers, electrical tape, and a soldering iron may be needed depending on the exact cause of the issue.
8. Can extreme weather conditions cause OBDII code B2338 Chrysler to appear for the horn control circuit?
- While extreme weather conditions may not directly cause this code, they can contribute to corrosion or damage in the electrical components of the horn control circuit, leading to the fault.
9. Is it possible for the OBDII code B2338 in a Chrysler to be a false alarm?
- While rare, false alarms can occur due to intermittent electrical issues. It is recommended to thoroughly diagnose the problem before assuming it is a false alarm.
10. How much does it typically cost to repair OBDII code B2338 related to the horn control circuit in a Chrysler at a repair shop?
- The cost can vary depending on the exact cause of the issue, but it may range from $50 to $200 for parts and labor, excluding diagnostic fees.
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