Oil level sensor, voltage high
Check that there is no visible damage or break on the external cable harness.Check the oil level with the dipstick.Contact an Allison dealer.
What you'll see
No driver-visible symptom recorded.
System reaction
The Allison fault code number is: P070DThe fault code is cleared automatically, when the vehicle has completed 40 start-up cycles without the fault being detected again.
Diagnostic depth
The voltage from the oil level sensor is too high.
The control unit has detected a voltage which is higher than 4.5 V from the oil level sensor.The reason could be one of the following: Oil level in the gearbox extremely high.Fault on the external cable harness.Incorrect connection of the oil level sensor.Fault on the internal cable harness.Fault in the oil level sensor.Faulty control unit.