Coolant Pump MGS CAN node timeout
• Check that E81-B is connected. • Check that E81-B11 have contact with M41-A1 and that E81-B14 have contact with M41-A6. • Check that M41-A and M41-B are connected. •For FPC1(A) - Check that the Coolant pump is connected to C438 pin 6 and 3. •For FPC1(B) - Check that the Coolant pump is connected to C438 pin 11 and 5. - Check that the C443 is connected pin 16 and 17. • Change the Coolant Pump MGS (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 CPM has been absent for 200 ms. The DTC is set inactive when CPM 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 RES CAN bus (separate DTCs)
• Bad connection to the pump • Pump disconnected from the Hybrid batt-bus • Pump is faulty • Address cable jumper missing