DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0164: Lost Communication with HVAC Control Module; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1107: Lost Communication with Power Management Module [01/2017 - 05/2023]: Description
The sub-battery module assembly sends and receives signals from the ECM, skid control ECU, air conditioning amplifier assembly, certification ECU (smart key ECU assembly) and hybrid vehicle control ECU 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 |
| U0129 | Lost Communication with Brake System Control Module | CAN communication malfunction with skid control 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 |
| U0293 | Lost Communication With Hybrid Powertrain Control Module | CAN communication malfunction with hybrid vehicle control ECU (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 |
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 |
| "49" | Communication malfunction between skid control ECU and sub-battery module assembly |
| "4E" | Communication malfunction between air conditioning amplifier assembly and sub-battery module assembly |
| "46" | Communication malfunction between hybrid vehicle control ECU and sub-battery module assembly |
| "51" | Communication malfunction between certification ECU (smart key ECU assembly) and sub-battery module assembly |