B273F RAM Code - Airbag Signal Test Failed
Quick Answer
This diagnostic runs continuously when the following conditions are met: Ignition on and Radio on. Common causes include Faulty Radio (RRM), Radio harness is open or shorted, Radio 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
- B273F RAM indicates Airbag Signal Test Failed.
- Common causes
- Common causes include Faulty Radio (RRM), Radio harness is open or shorted, Radio 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 B273F RAM Description
What are the Possible Causes of the DTC B273F RAM?
- Faulty Radio (RRM)
- Radio harness is open or shorted
- Radio circuit poor electrical connection
- Faulty Occupant Restraint Controller (ORC)
How to Fix the DTC B273F 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 B273F 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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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service
- Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
- Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
- Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
- Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
Frequently Asked Questions about B273F RAM Code
1. What are the common symptoms of OBDII code B273F RAM titled Airbag Signal Test Failed?
The common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the airbag system.
2. What are the possible causes of OBDII code B273F RAM?
The code B273F RAM typically indicates a communication error between the airbag control module and the diagnostic system. This can be caused by wiring issues, a faulty airbag control module, or a malfunctioning diagnostic tool.
3. How can I diagnose the OBDII code B273F RAM issue?
Diagnosing the issue involves using a professional diagnostic tool to communicate with the airbag control module and retrieve specific fault codes. Additionally, checking the wiring connections and inspecting for any visible damage can help in diagnosing the problem.
4. Can I continue driving my vehicle with the OBDII code B273F RAM error?
It is not recommended to drive the vehicle with an unresolved airbag system issue as it may compromise safety in the event of an accident. It is advisable to address the problem promptly.
5. How can I repair the OBDII code B273F RAM issue?
Repairing the B273F RAM error may involve checking and repairing any damaged wiring connections, replacing the faulty airbag control module, or addressing any communication issues between the diagnostic tool and the airbag system.
6. Is it safe to reset the OBDII code B273F RAM error using a diagnostic tool?
While it is possible to reset the code using a diagnostic tool, it is essential to address and fix the underlying issue causing the error before resetting it. Simply clearing the code without resolving the problem may lead to the reoccurrence of the error.
7. Can a DIY enthusiast fix the OBDII code B273F RAM issue?
Fixing the B273F RAM error may require specialized knowledge and tools, so it is recommended to seek assistance from a professional mechanic or technician who is experienced in diagnosing and repairing airbag system issues.
8. How much does it cost to repair the OBDII code B273F RAM issue?
The cost of repairing the B273F RAM error can vary depending on the root cause of the problem, the required parts, and the labor costs. It is advisable to obtain quotes from different repair shops to compare prices.
9. Are there any recalls related to the OBDII code B273F RAM?
Recalls related to the B273F RAM error may vary depending on the vehicle make and model. It is recommended to check with the manufacturer or visit the National Highway Traffic Safety Administration (NHTSA) website for any relevant recalls.
10. How can I prevent the OBDII code B273F RAM issue from occurring again?
Regular maintenance and inspection of the airbag system, including checking wiring connections and ensuring the airbag control module is functioning correctly, can help prevent the recurrence of the B273F RAM error.
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