ETAC detected problem with the CAN-bus.
Possible Cause with
Corrective
Actions/Checks:
1. Short or open circuit in CAN-bus wiring.
2. Electrical noise in CAN-bus wiring caused by bad connection, outside
interference, or low voltage:
a. Check CAN-bus wiring.
b. Try driving using a known-good battery.
c. Try driving in a different environment.
3. Faulty power amplifier. Check power amplifier.
4. Faulty ETAC.