CAN Timeout from CMC01
â–¶ How to fix
• Check the IBU for DTCs • If DTCs cannot be read from the IBU: - Check power supply and ignition signal on the connector to IBU - Check wiring and connectors to the IBU, Hybrid battbus • Measure the resistance.
What you'll see
No driver-visible symptom recorded.
System reaction
• Functions dependent on information from IBU might be degraded.
Diagnostic depth
Detection
The DTC is set active if CAN message has been absent for 5s The DTC is set inactive when CAN message is received.
Possible cause
• Power supply to IBU has failed • IBU unit disconnected from the BMU Hybrid Battbus • Faulty IBU unit