RDCM / C0403 62
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Message appears in display.
Reverse Valve, Oil Filter, Stuck Open
Fault symptom
Message appears in display.
On-board diagnosis
Type of diagnosis:
| The diagnosis runs after each pump cycle. |
| Usually 3-7 pump cycles/minute depending on oil requirement. |
Enable criteria:
| ECU temperature between 0 - 80°C |
Fault criteria:
| Voltage at the control module output after shutting off the pump (pump motor rotates in reverse) |
Diagnostic help
Diagnosis regards:
| Checking mechanical faults |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
