B0020 on NISSAN ALTIMA

"Supplemental Airbag Warning Light solid red, does not go off. Occurred after oil change done at dealership 1/13/2025. Dealer found code B0020, recommended part 87650-3TD6G, seat back replacement, parts and labor for repairs $2,950."

"The air bag system light comes on, the code is B0020 - Side A/B module LH, and I am able to reset the system with a code scanner. The light goes out and operates normally for a few days or weeks, then without warning the A/B illuminates again for no apparent reason."

"Airbag light came on and the error code was b0020, which is the drivers side, they reset at the dealer. it came back on a week later and i took it back. they told me they checked the wires and it all looked fine."

"My air bag light stays on in my dash. went to my local dealer to find out an old code b0020-13 was detected. they found everything to be fine, so they reset the code. the air bag light came back on two days later, and the same code came on again."

"Airbag light came on in September 2021.Took to dealership on October 5, 2021. They ran a diagnostic test and charged me $160 to tell me that code B0020 Aide Airbag Module Left Side is open. I purchased extended warranty when car was purchased new. Platinum plan $2098."