Category: OBDii Network Codes

U0109 Lost Communication With Fuel Pump Control Module

U0109 Lost Communication With Fuel Pump Control Module OBD Code: System: Subsystem:  U0109 – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Fuel Pump Control Module Location: Analysis: Possible Causes:       Tech description:

U0110 Lost Communication With Drive Motor Control Module A

U0110 Lost Communication With Drive Motor Control Module A OBD Code: System: Subsystem:  U0110 – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Drive Motor Control Module A Location: Analysis: Possible Causes:  Control Module A     Tech description:

U0111 Lost Communication With Battery Energy Control Module A

U0111 Lost Communication With Battery Energy Control Module A OBD Code: System: Subsystem:  U0111 – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Battery Energy Control Module A Location: Analysis: Possible Causes:  Control Module A     Tech description:

U0112 Lost Communication With Battery Energy Control Module B

U0112 Lost Communication With Battery Energy Control Module B OBD Code: System: Subsystem:  U0112 – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Battery Energy Control Module B Location: Analysis: Possible Causes:  Control Module B     Tech description:

U0100 Lost Communication With Engine Control Module

U0100 Lost Communication With Engine Control Module Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor…

U0101 Lost Communication With Transmission Control Module

U0101 Lost Communication With Transmission Control Module Possible causes – Faulty Transmission Control Module (TCM)– TCM harness is open or shorted– TCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0101 Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor…

U0102 Lost Communication with Transfer Case Control Module

U0102 Lost Communication with Transfer Case Control Module OBD Code: System: Subsystem:  U0102 – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication with Transfer Case Control Module Location: Analysis: Possible Causes:       Tech description:

U0103 Lost Communication With Gear Shift Control Module A

U0103 Lost Communication With Gear Shift Control Module A OBD Code: System: Subsystem:  U0103 – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Gear Shift Control Module A Location: Analysis: Possible Causes:  Control Module A     Tech description: