Overload in CPU or stack memory is detected.
â–¶ How to fix
No action is needed if DTC is set a few times (1-5). If set frequently, check other nodes in CAN network and wiring of CAN bus. Thereafter, replace ECU if problem remains.
What you'll see
No driver-visible symptom recorded.
System reaction
System reset
Diagnostic depth
Detection
The system continuously performs checks of the current CPU load and stack memory utilization. If the load or utilization level exceeds any of the following limits, this DTC is set. • Stack usage > 85% • CPU load on the 50Hz process > 70% • CPU load on the 100Hz process > 80% • CPU load in total on all processes > 85%
Possible cause
Abnormal external conditions such as faulty communication links etc. Software flaws.