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B0020 – MERCURY

Code : B0020
Make : MERCURY
Description : B0020 MERCURY Left Side Airbag Deployment Control
Possible causes :
– Faulty Left Seat Side Airbag
– Left Seat Side Airbag harness is open or shorted
– Left Seat Side Airbag circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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