B237F Chrysler Code - Horn Mute Request Circuit High
Quick Answer
The Multi-Purpose Module (Police And Taxi Interface Module-PTIM) monitors the Horn Mute Request Circuit. Common causes include Faulty Horn Mute, Horn Mute harness is open or shorted, Horn Mute 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
- B237F Chrysler indicates Horn Mute Request Circuit High.
- Common causes
- Common causes include Faulty Horn Mute, Horn Mute harness is open or shorted, Horn Mute 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 B237F Chrysler Description
What are the Possible Causes of the DTC B237F Chrysler?
- Faulty Horn Mute
- Horn Mute harness is open or shorted
- Horn Mute circuit poor electrical connection
- Faulty Multi-Purpose Module (Police And Taxi Interface Module-PTIM)
How to Fix the DTC B237F 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 B237F 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 B237F Chrysler Code
1. What does the OBDII code B237F mean on a Chrysler vehicle?
The B237F code indicates a problem with the Horn Mute Request Circuit, specifically that the circuit is experiencing a high voltage condition.
2. What are the symptoms of the B237F Horn Mute Request Circuit High code?
Common symptoms include the horn not functioning properly, the horn not muting when expected, or the horn sounding unexpectedly.
3. What causes the B237F code to be triggered?
Possible causes include a faulty horn relay, damaged wiring or connections in the horn mute circuit, or a malfunctioning body control module (BCM).
4. Can a blown fuse cause the B237F code to appear?
While a blown fuse is not a direct cause, it’s worth checking the horn-related fuses as part of the diagnostic process, as they could indicate a related electrical issue.
5. How do I diagnose the B237F code?
Use a scan tool to confirm the code, inspect the horn mute circuit wiring and connectors for damage, and test the horn relay and BCM for proper functionality.
6. Can I still drive my vehicle with the B237F code present?
Yes, you can typically drive with this code, but the horn may not function correctly, which could be a safety concern in certain situations.
7. How do I fix the B237F Horn Mute Request Circuit High code?
Repairs may include replacing a faulty horn relay, repairing or replacing damaged wiring or connectors, or reprogramming/replacing the BCM.
8. Is the B237F code specific to Chrysler vehicles?
While the B237F code is more commonly associated with Chrysler vehicles, it may also appear in other makes with a similar circuit design.
9. How much does it cost to repair the B237F code?
Repair costs vary depending on the issue, but replacing a horn relay or repairing wiring typically costs $100–$300, while BCM replacement can be more expensive.
10. Can I clear the B237F code without fixing the problem?
Clearing the code without addressing the issue will only temporarily remove it, and the code will likely return once the fault is detected again.
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