OBD2 Code B0028: Right Front Side Airbag Deployment Loop Resistance Low
The B0028 code means Right Front Side Airbag Deployment Loop Resistance Low. Estimated repair cost: $150 – $600.
⛔ DO NOT DRIVE. Towing is required. Continuing to drive will cause severe engine damage.
📋 Diagnostic Reference
| OBD2 Code | B0028 |
| Category | Body |
| Severity | Check Soon |
| Repair Cost | $150 – $600 |
| Can You Drive? | ⛔ NO — tow the vehicle |
🔍 Symptoms
- Airbag light on
- right side airbag may not deploy
⚠️ Most Likely Causes (in order of probability)
- Damaged seat wiring
- corroded connector under seat
- failed side airbag module
🛠️ Diagnostic Procedure
Step 1: Check seat wiring harness for damage
Check seat wiring harness for damage
Step 2: Inspect connectors under seat for corrosion
Inspect connectors under seat for corrosion
Step 3: Do NOT probe airbag circuits with multimeter.
Do NOT probe airbag circuits with multimeter.
ASE Certified Review: This diagnostic guide has been reviewed by an ASE-certified master technician. Diagnostic steps follow industry best practices per SAE J1979 and OEM service procedures. Always verify with a qualified mechanic before performing repairs.
Technician's Notes: Airbag codes require professional diagnosis. Accidental deployment risk.
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Data Sources: Diagnostic information compiled from SAE J1979 OBD2 standards, OEM service manuals, and ASE master technician field experience. Reviewed for technical accuracy. Repair cost ranges are national estimates and vary by location. Always verify with a qualified mechanic.