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Legacy Premium, Automatic CVT Trans
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Repair and Diagnosis
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Body & Frame
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Door Locks
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Security And Locks - Keyless Access (W/Push Button Start) (Diagnostics)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC B278A Abnormal Immobilizer Power Supply
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DTC Detecting Condition
DTC B278A Abnormal Immobilizer Power Supply: DTC Detecting Condition
When the power supply circuit of the push button ignition switch is shorted to ground.