Category: Chevrolet

U0121 Chevrolet Lost Communication With Electronic Brake Control Module Possible causes – Faulty Electronic Brake Control Module (EBCM) – EBCM harness is open or shorted– EBCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0121 Chevrolet Description Modules connected to the high speed General Motor Local Area Network…

U0122 Chevrolet Lost Communication With Vehicle Dynamics Control Module OBD Code: System: Subsystem:  U0122 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Vehicle Dynamics Control Module Location: Analysis: Possible Causes:       Tech description:

U0117 Chevrolet Lost Communication With Electrical Power Take-Off (PTO) Control Module OBD Code: System: Subsystem:  U0117 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Electrical Power Take-Off (PTO) Control Module Location: Analysis: Possible Causes:       Tech description:

U0118 Chevrolet Lost Communication With Fuel Additive Control Module OBD Code: System: Subsystem:  U0118 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Fuel Additive Control Module Location: Analysis: Possible Causes:       Tech description:

U0119 Chevrolet Lost Communication With Fuel Cell Control Module OBD Code: System: Subsystem:  U0119 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Fuel Cell Control Module Location: Analysis: Possible Causes:       Tech description:

U0113 Chevrolet Lost Communication With Emissions Critical Control Information OBD Code: System: Subsystem:  U0113 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Emissions Critical Control Information Location: Analysis: Possible Causes:       Tech description:

U0114 Chevrolet Lost Communication With FourWheel Drive Clutch Control Module OBD Code: System: Subsystem:  U0114 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With FourWheel Drive Clutch Control Module Location: Analysis: Possible Causes:       Tech description:

U0115 Chevrolet Lost Communication With Engine Control Module (ECM) / Powertrain Control Module (PCM) B OBD Code: System: Subsystem:  U0115 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Engine Control Module (ECM) / Powertrain Control Module (PCM) B Location: Analysis: Possible Causes:  Control Module B     Tech description:

U0116 Chevrolet Lost Communication With Coolant Temperature Control Module OBD Code: System: Subsystem:  U0116 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Coolant Temperature Control Module Location: Analysis: Possible Causes:       Tech description:

U0112 Chevrolet Lost Communication With Battery Energy Control Module B OBD Code: System: Subsystem:  U0112 Chevrolet – (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:

U0110 Chevrolet Lost Communication With Drive Motor Control Module A OBD Code: System: Subsystem:  U0110 Chevrolet – (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 Chevrolet Lost Communication With Battery Energy Control Module A OBD Code: System: Subsystem:  U0111 Chevrolet – (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:

U0107 Chevrolet Lost Communication With Throttle Actuator Control Module Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires) Tech description What about the obd code? The U0107 Chevrolet code is set when…

U0108 Chevrolet Lost Communication With Alternative Fuel Control Module OBD Code: System: Subsystem:  U0108 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Alternative Fuel Control Module Location: Analysis: Possible Causes:       Tech description:

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

U0104 Chevrolet Lost Communication With Distance Sensing and Cruise Control Module Possible causes – Faulty Distance Sensing and Cruise Control (DSCC) Module– DSCC Module harness is open or shorted– DSCC Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0104 Chevrolet Description Modules connected to the high speed…

U0105 Chevrolet Lost Communication With Fuel Injector Control Module OBD Code: System: Subsystem:  U0105 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Fuel Injector Control Module Location: Analysis: Possible Causes:       Tech description:

U0106 Chevrolet Lost Communication With Glow Plug Control Module OBD Code: System: Subsystem:  U0106 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Glow Plug Control Module Location: Analysis: Possible Causes:       Tech description:

U0101 Chevrolet 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 Chevrolet Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data…

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