OBD-II Diagnostic Trouble Codes

B0028-13 – Right Side Airbag Deployment Control: Circuit Open (Ford F-150)

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B0028-12 – Right Side Airbag Deployment Control: Circuit Short To Battery (Ford F-150)

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B0028-11 – Right Side Airbag Deployment Control: Circuit Short To Ground (Ford F-150)

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B0021-4A – Left Curtain Deployment Control 1: Incorrect Component Installed (Ford F-150)

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B0021-2B – Left Curtain Deployment Control 1: Signal Cross Coupled (Ford F-150)

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B0021-1A – Left Curtain Deployment Control 1: Circuit Resistance Below Threshold (Ford F-150)

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B0021-13 – Left Curtain Deployment Control 1: Circuit Open (Ford F-150)

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B0021-12 – Left Curtain Deployment Control 1: Circuit Short To Battery (Ford F-150)

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B0021-11 – Left Curtain Deployment Control 1: Circuit Short To Ground (Ford F-150)

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B0020-4A – Left Side Airbag Deployment Control: Incorrect Component Installed (Ford F-150)

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