B2339 Code - Mirror Switch Assembly Circuit Short to Ground
Quick Answer
The Body Control Module (BCM) monitors the Mirror Switch Assembly. Common causes include Faulty Mirror Switch Assembly, Mirror Switch Assembly harness is open or shorted, Mirror Switch 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
- B2339 indicates Mirror Switch Assembly Circuit Short to Ground.
- Common causes
- Common causes include Faulty Mirror Switch Assembly, Mirror Switch Assembly harness is open or shorted, Mirror Switch 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 B2339 Description
What are the Possible Causes of the DTC B2339?
- Faulty Mirror Switch Assembly
- Mirror Switch Assembly harness is open or shorted
- Mirror Switch Assembly circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B2339?
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 B2339 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 B2339 code?
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Need Help with the Code?
Get the B2339 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B2339 Chrysler — Horn Switch Stuck
- B2339 Dodge — Horn Switch Stuck
- B2339 Jeep — Horn Switch Stuck
- B2339 RAM — Horn Switch Stuck
Frequently Asked Questions about B2339 Code
What does OBDII code B2339 indicate?
OBDII code B2339 indicates a problem with the mirror switch assembly circuit, specifically a short to ground condition.
What symptoms might I experience with code B2339?
Common symptoms include non-functioning mirrors, inability to adjust the mirror position, and possibly an illuminated check engine light.
What are the potential causes of code B2339?
Potential causes include damaged wiring, a faulty mirror switch, poor connections, or a malfunctioning control module.
How can I diagnose the cause of code B2339?
You can diagnose the issue by visually inspecting the wiring and connections for damage, testing the mirror switch for continuity, and checking for any shorts to ground in the circuit.
What should I do if I see code B2339?
Start by inspecting the mirror switch and its wiring for any visible issues. If everything looks good, use a multimeter to test for continuity and check for shorts in the circuit.
Can I drive my vehicle with code B2339?
It's generally safe to drive your vehicle, but you may lose functionality in the mirror adjustment features, which could be a safety concern.
What repair options are available for fixing code B2339?
Repair options may include replacing the mirror switch, repairing damaged wiring, or addressing any issues with the vehicle's control module.
Is code B2339 specific to certain vehicle makes or models?
Code B2339 can occur in various makes and models, particularly those equipped with electronic mirror adjustments, but the specific implementation may vary.
How can I prevent code B2339 from recurring?
Regularly inspect wiring and connections for wear or damage, and ensure that any repairs are done properly to prevent shorts and maintain the integrity of the circuit.
Discuss the causes and fixes for B2339 OBDII Code
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