B16D4 Dodge Code - Right DRL Lamp Control Circuit Low
Quick Answer
The Body Control Module (BCM) monitors the Right Daytime Running Lights (DRL) Lamp. Common causes include Faulty Right Front Headlamp Assembly, Right Front Headlamp Assembly harness is open or shorted, Right Front Headlamp Assembly 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
- B16D4 Dodge indicates Right DRL Lamp Control Circuit Low.
- Common causes
- Common causes include Faulty Right Front Headlamp Assembly, Right Front Headlamp Assembly harness is open or shorted, Right Front Headlamp Assembly 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 B16D4 Dodge Description
What are the Possible Causes of the DTC B16D4 Dodge?
- Faulty Right Front Headlamp Assembly
- Right Front Headlamp Assembly harness is open or shorted
- Right Front Headlamp Assembly circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B16D4 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 B16D4 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 B16D4 Dodge Code
1. What does the OBDII code B16D4 mean on a Dodge?
The code B16D4 indicates a problem with the right daytime running lamp (DRL) control circuit, specifically that it is operating at a lower voltage than expected.
2. What are the common symptoms of code B16D4 in a Dodge vehicle?
The most common symptom is the right daytime running lamp not functioning or appearing dim. You may also notice a warning light or message on the dashboard.
3. What causes the B16D4 code to appear?
Possible causes include a faulty DRL bulb, damaged wiring or connectors in the right DRL circuit, a malfunctioning control module, or corrosion at electrical contact points.
4. Can a bad bulb trigger the B16D4 code?
Yes, a burned-out or defective right DRL bulb can cause the circuit to show low voltage and trigger this code.
5. How do I diagnose the B16D4 code on my Dodge?
Start by inspecting the right DRL bulb and its connections. Check for damage, corrosion, or loose wiring. If no issues are found, test the circuit voltage and the control module.
6. Is it safe to drive with the B16D4 code active?
Yes, but it is not recommended for long-term driving, as reduced visibility from a non-functioning DRL can increase the risk of accidents.
7. How can I fix the B16D4 code in my Dodge?
Common fixes include replacing the right DRL bulb, repairing damaged wiring, cleaning corroded connectors, or replacing the DRL control module if necessary.
8. How much does it cost to repair the B16D4 code?
Repair costs can vary but typically range from $20 to $50 for a bulb replacement or $100 to $300 if wiring or control module repairs are needed.
9. Can I fix the B16D4 code myself?
Yes, if the issue is a simple bulb replacement or cleaning corroded connectors. For advanced wiring or module issues, professional assistance may be required.
10. Will clearing the code with a scan tool permanently fix the issue?
No, clearing the code will only temporarily remove it. The underlying issue must be resolved to prevent the code from returning.
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