DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0140: Lost Communication with Body Control Module; DTC U0164: Lost Communication with HVAC Control Module; DTC U1107: Lost Communication with Power Management Module; DTC U1108: Lost Communication with Front Stabilizer Module [12/2017 - 10/2023]: Description
The sub-battery module assembly sends and receives signals from the ECM, skid control ECU (brake actuator assembly), rack & pinion power steering gear assembly, main body ECU (multiplex network body ECU), air conditioning amplifier assembly, front active stabilizer control ECU assembly and certification ECU (smart key ECU assembly) via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Memory |
|---|---|---|---|---|---|
| U0100 | Lost Communication with ECM / PCM "A" | CAN communication malfunction with ECM (CAN system malfunction) (1 trip detection logic) |
CAN communication system | Does not come on | DTC stored |
| U0124 | Lost Communication with Lateral Acceleration Sensor Module | CAN communication malfunction with yaw rate sensor (CAN system malfunction) (1 trip detection logic) |
CAN communication system | Does not come on | DTC stored |
| U0129 | Lost Communication with Brake System Control Module | CAN communication malfunction with skid control ECU (brake actuator assembly) (CAN system malfunction) (1 trip detection logic) |
CAN communication system | Does not come on | DTC stored |
| U0131 | Lost Communication with Power Steering Control Module | CAN communication malfunction with rack & pinion power steering gear assembly (CAN system malfunction) (1 trip detection logic) |
CAN communication system | Does not come on | DTC stored |
| U0140 | Lost Communication with Body Control Module | CAN communication malfunction with main body ECU (multiplex network body ECU) (CAN system malfunction) (1 trip detection logic) |
CAN communication system | Does not come on | DTC stored |
| U0164 | Lost Communication with HVAC Control Module | CAN communication malfunction with air conditioning amplifier assembly (CAN system malfunction) (1 trip detection logic) |
CAN communication system | Does not come on | DTC stored |
| U1107 | Lost Communication with Power Management Module | CAN communication malfunction with certification ECU (Smart Key ECU Assembly) (CAN system malfunction) (1 trip detection logic) |
CAN communication system | Does not come on | DTC stored |
| U1108 | Lost Communication with Front Stabilizer Module | CAN communication malfunction with front active stabilizer control ECU assembly (CAN system malfunction) (1 trip detection logic) |
CAN communication system | Does not come on | DTC stored |
HINT:
The details of a DTC can be checked by using the DTC Sub Code of the freeze frame data that was recorded when the DTC was output.
| DTC Sub Code | Detail |
|---|---|
| "47" | Communication malfunction between ECM and sub-battery module assembly |
| "4A" | Communication malfunction between yaw rate sensor |
| "49" | Communication malfunction between skid control ECU (brake actuator assembly) and sub-battery module assembly |
| "4F" | Communication malfunction between rack & pinion power steering gear assembly and sub-battery module assembly |
| "44" | Communication malfunction between main body ECU (multiplex network body ECU) and sub-battery module assembly |
| "4E" | Communication malfunction between air conditioning amplifier assembly and sub-battery module assembly |
| "51" | Communication malfunction between certification ECU (smart key ECU assembly) and sub-battery module assembly |
| "48" | Communication malfunction between front active stabilizer control ECU assembly and sub-battery module assembly |