DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module [08/2016 - ]: Description
The power steering ECU assembly receives signals from the ECM and skid control ECU (brake actuator assembly) via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Return-to-normal Condition | Note |
|---|---|---|---|---|---|---|
| U0100 | Lost Communication with ECM / PCM "A" | Lost communication with ECM |
|
EPS warning light: Comes on* | After normal confirmation | *: When an error occurs during steering assist, the warning light does not illuminate. For errors that occur before assist (at the time of the decision to start assist), the warning light illuminates. |
| U0129 | Lost Communication with Brake System Control Module | Lost communication with skid control ECU (Brake actuator assembly) |
|
EPS warning light: Comes on | After normal confirmation | - |