Mike's Workshop Manuals
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2017
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City Express LS
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Repair and Diagnosis
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Body & Frame
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Ignition Switch/Steering Lock
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Immobilizer System
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Diagnostic Information And Procedures
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DTC B2193 Or P1612: Lost Communication With Engine Control Module
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Conditions For Running The DTC
Conditions For Running The DTC
B2193, P1612
The BCM verifies the key information every time the key is inserted into the ignition.