B2337 Dodge Code - Horn Control Circuit High
Quick Answer
The Front Control Module (FCM) monitors the Horn Control Circuit. Common causes include Faulty Horn Relay, Horn Relay harness is open or shorted, Horn Relay 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
- B2337 Dodge indicates Horn Control Circuit High.
- Common causes
- Common causes include Faulty Horn Relay, Horn Relay harness is open or shorted, Horn Relay 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 B2337 Dodge Description
What are the Possible Causes of the DTC B2337 Dodge?
- 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 B2337 Dodge?
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 B2337 Dodge 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 B2337 Dodge Code
What does the OBDII code B2337 mean on a Dodge vehicle?
Code B2337 indicates an issue with the horn control circuit, specifically that the circuit is experiencing a high voltage condition.
What are the common symptoms of code B2337 in Dodge vehicles?
Symptoms include the horn not working, intermittent horn operation, or the horn sounding unexpectedly without input.
What causes the B2337 code in Dodge vehicles?
Common causes include a short circuit in the horn wiring, a faulty horn relay, damaged horn switch, or issues with the clock spring in the steering wheel.
How can I diagnose the B2337 code?
Diagnose by inspecting the horn wiring for damage, testing the horn relay for proper function, and checking for faults in the clock spring or horn switch.
Can a faulty horn relay trigger code B2337?
Yes, a defective horn relay can cause high voltage in the horn control circuit, which may trigger the B2337 code.
Is it safe to drive with code B2337 present?
While it’s generally safe to drive, the malfunctioning horn can pose a safety risk since it may not function when needed for alerting other drivers.
How can I fix the B2337 code on a Dodge vehicle?
Repairs may involve replacing damaged wiring, installing a new horn relay, or repairing the horn switch or clock spring.
Can the B2337 code be cleared without repairing the issue?
Clearing the code without addressing the underlying problem may result in the code reappearing and the horn continuing to malfunction.
What tools are needed to troubleshoot code B2337?
Tools needed include a multimeter for testing voltage, a diagnostic scanner for clearing codes, and basic hand tools for accessing wiring and components.
Does a damaged clock spring often cause the B2337 code?
Yes, a damaged clock spring inside the steering wheel can disrupt the horn circuit and lead to the high voltage condition associated with this code.
Discuss the causes and fixes for B2337 Dodge OBDII Code
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