B2293 Code - Restraint System Air Bag Fault
Quick Answer
The Restraints Control Module (RCM) continuously monitors all front air bag module circuits (loop) for an acceptable resistance range, unacceptable voltage and shorts to ground. Common causes include Faulty Driver Air Bag Module, Driver Air Bag Module harness is open or shorted, Driver Air Bag Module 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
- B2293 indicates Restraint System Air Bag Fault.
- Common causes
- Common causes include Faulty Driver Air Bag Module, Driver Air Bag Module harness is open or shorted, Driver Air Bag Module 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 B2293 Description
As the RCM continuously monitors all front air bag module circuits for resistance, it expects a normal resistance for the driver and passenger air bag modules loop 1 and 2, between 1.31 to 4.29 ohms.
If a loop resistance for the driver and/or passenger air bag loop 1 and/or 2 is between 0.9 and 1.31 or between 4.29 and 5 ohms, there exists a strong potential for an intermittent fault, a DTC may or may not set. The RCM will also set an on-demand DTC if the loop resistance is less than 0.9 ohm or greater than 5 ohms.
What are the Possible Causes of the DTC B2293?
- Faulty Driver Air Bag Module
- Driver Air Bag Module harness is open or shorted
- Driver Air Bag Module circuit poor electrical connection
- Faulty Clockspring
- Faulty Restraints Control Module (RCM)
How to Fix the DTC B2293?
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 B2293 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
- B2293 Ford — Restraint System Air Bag Fault
- B2293 Jaguar — Restraint System Air Bag Fault
- B2293 Lincoln — Restraint System Air Bag Fault
- B2293 Mercury — Restraint System Air Bag Fault
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 B2293 Code
What does OBDII code B2293 mean?
Code B2293 indicates a fault in the vehicle's restraint system, specifically an issue with the airbag deployment circuit or related components.
What are the common symptoms of code B2293?
Symptoms include an illuminated airbag warning light, a chime or alert on the dashboard, and the airbag system being disabled.
What causes code B2293 to trigger?
Common causes include faulty airbags, damaged wiring or connectors, a defective airbag control module, or issues with seatbelt pretensioners.
Can I drive with code B2293 active?
It’s not recommended to drive with this code active, as the airbag system may not deploy in an accident, compromising safety.
How do I diagnose code B2293?
Diagnosis involves using an OBDII scanner to read the code, inspecting airbag wiring/connectors for damage, and testing the airbag control module.
What tools are needed to fix code B2293?
You’ll need an OBDII scanner, a multimeter for electrical testing, and possibly specialized airbag system tools depending on the vehicle.
Can I reset the airbag light after fixing code B2293?
Yes, the airbag light can typically be reset using an OBDII scanner after the underlying issue has been repaired.
What is the cost to repair code B2293?
Repair costs vary widely, from $50 for minor wiring repairs to over $1,000 if the airbag control module or airbag itself needs replacement.
Do I need to replace the airbag if code B2293 appears?
Not always. The issue may stem from wiring or connectors rather than the airbag itself, so thorough diagnosis is essential.
Can a low battery cause code B2293?
Yes, a low or weak battery can sometimes cause airbag system faults, so checking the battery’s health is a good first step.
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