OBD-II Trouble Codes

list and description of all OBD-II diagnostic trouble codes

B0021 – MERCURY

Code : B0021Make : MERCURYDescription : B0021 MERCURY Left Curtain Deployment Control 1Possible causes : – Faulty Driver Side Air Curtain – Driver Side Air Curtain harness is open or shorted – Driver Side Air Curtain circuit poor electrical connectionSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – …

B0021 – MERCURY
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B0021 – LINCOLN

Code : B0021Make : LINCOLNDescription : B0021 LINCOLN Left Curtain Deployment Control 1Possible causes : – Faulty Driver Side Air Curtain – Driver Side Air Curtain harness is open or shorted – Driver Side Air Curtain circuit poor electrical connectionSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – …

B0021 – LINCOLN
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B0021 – FORD

Code : B0021Make : FORDDescription : B0021 FORD Left Curtain Deployment Control 1Possible causes : – Faulty Driver Side Air Curtain – Driver Side Air Curtain harness is open or shorted – Driver Side Air Curtain circuit poor electrical connectionSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – …

B0021 – FORD
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B0020 – MERCURY

Code : B0020Make : MERCURYDescription : B0020 MERCURY Left Side Airbag Deployment ControlPossible causes : – Faulty Left Seat Side Airbag – Left Seat Side Airbag harness is open or shorted – Left Seat Side Airbag circuit poor electrical connectionSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – …

B0020 – MERCURY
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B0020 – LINCOLN

Code : B0020Make : LINCOLNDescription : B0020 LINCOLN Left Side Airbag Deployment ControlPossible causes : – Faulty Left Seat Side Airbag – Left Seat Side Airbag harness is open or shorted – Left Seat Side Airbag circuit poor electrical connectionSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – …

B0020 – LINCOLN
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B0020 – FORD

Code : B0020Make : FORDDescription : B0020 FORD Left Side Airbag Deployment ControlPossible causes : – Faulty Left Seat Side Airbag – Left Seat Side Airbag harness is open or shorted – Left Seat Side Airbag circuit poor electrical connectionSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – …

B0020 – FORD
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