U300A Buick Ignition Switch OBD Code: System: Subsystem:  U300A Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Ignition Switch Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera

U3008 Buick Control Module Ground A OBD Code: System: Subsystem:  U3008 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Control Module Ground A Location: Analysis: Possible Causes:  Control Module G     Tech description:

U3009 Buick Control Module Ground B OBD Code: System: Subsystem:  U3009 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Control Module Ground B Location: Analysis: Possible Causes:  Control Module G     Tech description:

U3007 Buick Control Module Input Power B OBD Code: System: Subsystem:  U3007 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Control Module Input Power B Location: Analysis: Possible Causes:  Input Power B    

U3005 Buick Retained Accessory Power OBD Code: System: Subsystem:  U3005 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Retained Accessory Power Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick Regal –

U3006 Buick Control Module Input Power A OBD Code: System: Subsystem:  U3006 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Control Module Input Power A Location: Analysis: Possible Causes:  Input Power A    

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 –

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

U3004 Buick Accessory Power Relay OBD Code: System: Subsystem:  U3004 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Accessory Power Relay Location: Analysis: Possible Causes:  Relay Control Circuit     Tech description: Buick Vehicle:Buick

U2523 Buick Communication error to PCM Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick

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

U3001 Buick Control Module Improper Shutdown OBD Code: System: Subsystem:  U3001 Buick – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Control Module Improper Shutdown Location: Analysis: Possible Causes:       Tech description: Buick Vehicle:Buick

U2516 Buick CAN system communication error Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick

U2202 Buick Communication error to PCM Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick