MAZDA · 2025-05-15
Some vehicles may experience an airbag system warning light flashing with DTC B1126:1B or B1127:1B. DTC B1126:1B - Driver-side side air bag module circuit resistance high. DTC B1127:1B - Passenger-side side air bag module circuit resistance high. This may be caused by coating on the terminals allowing oxidation. The new terminals have a tin coating to prevent oxidation.