DTC U0073/42 Control Module Communication Bus OFF; DTC U0100/65 Lost Communication with ECM / PCM: Description
The translate ECU inputs the signals from the ECM via the CAN communication system.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| U0073/42 | Both of following conditions are met when IG1 voltage is 0.5 V or higher and vehicle speed is 15 km/h (9 mph) or faster:
|
Communication line between ECM and translate ECU (CAN communication line) |
| U0100/65 | Both of following conditions are met when IG1 voltage is 0.S V or higher and vehicle speed is 15 km/h (9 mph) or faster:
|
Communication line between ECM and translate ECU (CAN communication line) |
HINT:
For CAN communication malfunctions, after the malfunction is determined using the translate ECU, the results are sent to the skid control ECU. In total, this takes 7 seconds.