B2336 RAM Code - Horn Control Circuit Low
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
- B2336 RAM indicates Horn Control Circuit Low.
- 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 B2336 RAM Description
What are the Possible Causes of the DTC B2336 RAM?
- 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 B2336 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 is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2336 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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Frequently Asked Questions about B2336 RAM Code
1. What does OBDII code B2336 mean on a RAM vehicle?
Code B2336 indicates a "Horn Control Circuit Low" issue, meaning the horn circuit is experiencing low voltage or has a short.
2. What are the common symptoms of code B2336 in a RAM vehicle?
Symptoms include the horn not functioning, intermittent horn operation, or the horn sounding unexpectedly.
3. What causes the B2336 code to appear?
Common causes include a faulty horn relay, damaged wiring, a defective horn switch, or corroded connections in the horn circuit.
4. Can I still drive my RAM vehicle with a B2336 code?
Yes, the vehicle can still be driven since this code does not affect drivability. However, the horn may not work, which is a safety concern.
5. How do I diagnose a B2336 code in a RAM vehicle?
Start by inspecting the horn wiring and connections for damage or corrosion, testing the horn relay, and checking for proper voltage at the horn switch.
6. How can I fix the B2336 code on my RAM vehicle?
Repairs may include replacing the horn relay, repairing damaged wiring, cleaning corroded connections, or replacing the horn switch.
7. How much does it cost to fix the B2336 code in a RAM vehicle?
Repair costs vary but typically range from $50 to $200, depending on whether parts like the horn relay or switch need replacement.
8. Can a blown fuse cause the B2336 code in a RAM vehicle?
Yes, a blown fuse in the horn circuit can cause low voltage and trigger the B2336 code.
9. What tools are needed to troubleshoot the B2336 code?
Basic tools include a multimeter to test voltage, a wiring diagram for the horn circuit, and possibly a scan tool to clear the code after repairs.
10. Will clearing the B2336 code fix the issue?
Clearing the code might temporarily turn off the warning, but the underlying issue must be repaired to prevent the code from returning.
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