B21F9 Dodge Code - Exterior Lighting Power Supply Input 2 Circuit Open
Quick Answer
The Body Control Module (BCM) monitors the Exterior Lighting Power Supply Input 2 Circuit. Common causes include Blown Exterior Lighting Fuse, Exterior Lighting Fuse harness is open or shorted, Exterior Lighting Fuse 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
- B21F9 Dodge indicates Exterior Lighting Power Supply Input 2 Circuit Open.
- Common causes
- Common causes include Blown Exterior Lighting Fuse, Exterior Lighting Fuse harness is open or shorted, Exterior Lighting Fuse 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 B21F9 Dodge Description
What are the Possible Causes of the DTC B21F9 Dodge?
- Blown Exterior Lighting Fuse
- Exterior Lighting Fuse harness is open or shorted
- Exterior Lighting Fuse circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B21F9 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 B21F9 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.
Need more information about the B21F9 Dodge code?
Need more information on how to fix the B21F9 Dodge code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B21F9 Dodge code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B21F9 Dodge Code
1. What are the common symptoms of OBDII code B21F9 in a Dodge related to Exterior Lighting Power Supply Input 2 Circuit Open?
- Common symptoms include malfunctioning exterior lights, such as headlights, brake lights, or turn signals not working properly.
2. What are the possible causes of OBDII code B21F9 in a Dodge indicating an Exterior Lighting Power Supply Input 2 Circuit Open?
- Possible causes may include a damaged wiring harness, a faulty lighting control module, a blown fuse, or a loose electrical connection.
3. How can I diagnose the issue related to OBDII code B21F9 in my Dodge for Exterior Lighting Power Supply Input 2 Circuit Open?
- You can use a diagnostic scanner to retrieve the trouble codes, visually inspect the wiring harness for any visible damage, and test the lighting control module for proper functioning.
4. Can I continue to drive my Dodge with OBDII code B21F9 indicating an Exterior Lighting Power Supply Input 2 Circuit Open?
- It is not recommended to drive your vehicle with this issue as faulty exterior lighting can compromise your safety on the road.
5. What are some repair tips for fixing OBDII code B21F9 in a Dodge related to Exterior Lighting Power Supply Input 2 Circuit Open?
- Inspect and repair any damaged wiring, replace the lighting control module if necessary, check and replace any blown fuses, and ensure all electrical connections are secure.
6. How much does it typically cost to repair OBDII code B21F9 in a Dodge for Exterior Lighting Power Supply Input 2 Circuit Open?
- The cost of repair can vary depending on the specific issue, but it may range from $100 to $500, including parts and labor.
7. Are there any recalls or technical service bulletins related to OBDII code B21F9 in Dodge vehicles for Exterior Lighting Power Supply Input 2 Circuit Open?
- It's recommended to check with your local Dodge dealership or visit the National Highway Traffic Safety Administration (NHTSA) website for any relevant recalls or technical service bulletins.
8. Is it possible to reset OBDII code B21F9 in a Dodge indicating an Exterior Lighting Power Supply Input 2 Circuit Open without repairs?
- While you can clear the code temporarily, it is important to address the underlying issue to prevent the code from returning and ensure proper functioning of your exterior lighting.
9. Can extreme weather conditions cause OBDII code B21F9 to trigger in a Dodge with an Exterior Lighting Power Supply Input 2 Circuit Open?
- Yes, extreme weather conditions such as heavy rain, snow, or extreme heat can potentially damage the wiring or components related to the exterior lighting system, leading to this code.
10. Is it advisable to seek professional help for diagnosing and repairing OBDII code B21F9 in a Dodge related to Exterior Lighting Power Supply Input 2 Circuit Open?
- Yes, it is recommended to consult a qualified mechanic or technician who has experience with automotive electrical systems to accurately diagnose and repair the issue to ensure safety and proper functionality of your vehicle.
Discuss the causes and fixes for B21F9 Dodge OBDII Code
Code B21F9 Dodge comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
