Coolant Pump 2 CAN node timeout
• Check that M41-A and M41-B are connected. • Check that C443 and C438 are connected. • Check that E81-B is connected. • Check that E81-B11 have contact with M41-A1 and that E81-B14 have contact with M41-A6. • Change the Coolant Pump 2 (M41)
What you'll see
No driver-visible symptom recorded.
System reaction
• Amber warning lamp "Hybrid System Fault" is shown in ICL • No or reduced cooling of the MGS.
Diagnostic depth
The DTC is set active if CAN message from the coolant pump 2 has been absent for 200 ms. The DTC is set inactive when coolant pump 2 CAN message is received. The DTC is not set in the following cases: • ignition is turned off • first 2 seconds after ignition on • system voltage is below 22 volt • system voltage is above 32 volt • short circuit or open circuit on the relevant CAN bus (separate DTCs)
• Bad connection to the pump • Pump disconnected from the Hybrid batt-bus • Pump is faulty • Address cable jumper missing