U3002 Buick Vehicle Identification Number

U3003 Buick Battery Voltage OBD Code: System: Subsystem:  U3003 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Battery Voltage Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera

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U3001 Buick Control Module Improper Shutdown

U3002 Buick Vehicle Identification Number OBD Code: System: Subsystem:  U3002 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Vehicle Identification Number Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal –

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U2523 Buick Communication error to PCM

U3000 Buick Control Module OBD Code: System: Subsystem:  U3000 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Control Module Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera

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