B2849 RAM 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 RAM 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 RAM Description
What are the Possible Causes of the DTC B2849 RAM?
- 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 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 B2849 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 B2849 RAM Code
1. What does the OBDII code B2849 mean?
B2849 indicates a problem with the Passenger Blind Spot Warning Light Control Circuit, specifically that the circuit voltage is lower than expected.
2. What are the symptoms of the B2849 code?
Common symptoms include the passenger-side blind spot warning light not functioning, the blind spot monitoring system being disabled, or the illumination of the check engine or warning lights.
3. What causes the B2849 code to trigger?
Potential causes include a damaged or corroded wiring harness, a faulty blind spot warning light, a malfunctioning blind spot sensor, or a poor electrical connection in the circuit.
4. Can I continue driving with the B2849 code active?
Yes, but the blind spot monitoring system may not work, increasing the risk of accidents during lane changes. Addressing the issue promptly is recommended.
5. How is the B2849 code diagnosed?
Technicians typically inspect the wiring and connectors for damage, test the blind spot warning light, and use a multimeter to check circuit voltage and continuity.
6. What repairs can fix the B2849 code?
Repairs may include replacing damaged wiring, cleaning or reconnecting corroded connectors, replacing the defective blind spot warning light, or replacing a faulty blind spot sensor.
7. How much does it cost to repair the B2849 code?
Depending on the cause, repair costs can range from $100 to $500 or more, with parts like sensors or wiring harnesses affecting the total cost.
8. Can a faulty blind spot sensor cause the B2849 code?
Yes, a malfunctioning blind spot sensor can result in low voltage in the control circuit, triggering the B2849 code.
9. How can I prevent the B2849 code from occurring?
Routine maintenance, inspecting wiring for damage, and keeping connectors clean and free of corrosion can help prevent this issue.
10. Do I need to reset the code after repairs?
Yes, after repairs are completed, the code should be cleared using an OBDII scanner to ensure the issue has been resolved.
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