B2849 Code - Passenger Blind Spot Warning Light Control Circuit Low
Quick Answer
When the Passenger Blind Spot Indicator circuit senses that the voltage is below 4.0 volts for over 155 ms., this code will set. Common causes include Faulty Passenger Mirror Assembly, Passenger Mirror harness is open or shorted, Passenger Mirror 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
- B2849 indicates Passenger Blind Spot Warning Light Control Circuit Low.
- Common causes
- Common causes include Faulty Passenger Mirror Assembly, Passenger Mirror harness is open or shorted, Passenger Mirror 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 B2849 Description
What are the Possible Causes of the DTC B2849?
- Faulty Passenger Mirror Assembly
- Passenger Mirror harness is open or shorted
- Passenger Mirror circuit poor electrical connection
- Faulty Passenger Door Module (PDM)
How to Fix the DTC B2849?
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 B2849 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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Information for Specific Makes
- B2849 Chrysler — Passenger Blind Spot Warning Light Control Circuit Low
- B2849 Dodge — Passenger Blind Spot Warning Light Control Circuit Low
- B2849 Jeep — Passenger Blind Spot Warning Light Control Circuit Low
- B2849 RAM — Passenger Blind Spot Warning Light Control Circuit Low
Frequently Asked Questions about B2849 Code
1. What does the OBDII code B2849 mean?
The code B2849 indicates a low voltage issue in the Passenger Blind Spot Warning Light Control Circuit, which affects the functionality of the blind spot detection system on the passenger side.
2. What are the common symptoms of the B2849 code?
Common symptoms include the passenger blind spot warning light not illuminating, staying on constantly, or blinking erratically, along with a possible warning message on the dashboard.
3. What causes the B2849 code to appear?
Potential causes include a damaged or faulty blind spot warning light, corroded or loose wiring, a defective blind spot sensor, or a malfunctioning control module.
4. Can I drive my car with the B2849 code?
Yes, you can still drive the car, but the blind spot monitoring system on the passenger side may not function properly, increasing the risk of accidents during lane changes.
5. How do you diagnose the B2849 code?
Diagnosis involves checking the wiring and connectors for damage or corrosion, testing the passenger blind spot warning light, and using a scan tool to monitor the system’s voltage levels.
6. How do you fix the B2849 code?
Repairs may include replacing damaged wiring, repairing loose connections, replacing the passenger blind spot warning light, or reprogramming or replacing the blind spot control module.
7. Can a weak battery cause the B2849 code?
Yes, a weak or failing battery can cause voltage-related issues in the vehicle’s electrical systems, potentially triggering the B2849 code.
8. How much does it cost to fix the B2849 code?
Repair costs can range from $100 to $500 or more, depending on whether the issue involves minor wiring repairs or the replacement of components like the blind spot sensor or control module.
9. Can I reset the B2849 code myself?
You can clear the code using an OBDII scanner, but if the underlying issue isn’t resolved, the code will likely reappear.
10. Is the B2849 code manufacturer-specific?
No, the B2849 code is not manufacturer-specific and can apply to various makes and models equipped with a passenger blind spot warning system.
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