DTC U3000-49 (CAN Gateway)
DTC U3000-49: CAN Gateway Internal Failure
General Description
The CAN gateway performs on-board self-diagnosis to prevent transferring erroneous information when there is a malfunction in the CPU. If the CAN gateway detects a malfunction in the CPU, a DTC is stored.
Monitor Execution, Sequence, Duration, DTC Type
| Execution | Immediately after the vehicle is turned to the ON mode, Continuous |
| Sequence | None |
| Duration | - |
| DTC Type | One drive cycle, MIL on or off (CAN gateway does not output MIL on/off request) |
Enable Conditions
| Condition | Minimum | Maximum |
|---|---|---|
| 12 volt battery voltage [ Battery ] | 8 V | - |
| Vehicle | ON mode | |
| [ ] : HDS Parameter | ||
Malfunction Threshold
The CAN gateway detects a malfunction in the CPU.
Possible Cause
The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
- CAN gateway internal failure
Diagnosis Details
Conditions for setting the DTC
When a malfunction is detected, a DTC, the freeze data, and the on-board snapshot are stored in the CAN gateway memory.
Conditions for clearing the DTC
The DTC, the freeze data, and the on-board snapshot can be cleared with the scan tool Clear command.