Use the following procedure to display oil level sensor information.
Allison transmission oil level sensor location.
Stalling out is putting the transmission in drive foot on brake and increase rpm to 1000 1500 until the temp comes up.
Use the following procedure to display oil level information if the transmission is equipped with the option.
I got the ol 95 code for oil level sensor failure.
To enter the oil level display mode.
Sounds strange so check with your allison dealer.
If the transmission does not have an oil level sensor go to section b.
If the transmission is equipped with an oil level sensor oil level information can be displayed on the shift selector.
Displaying oil level information.
Description magnetic speed sensor 41 pulses per output shaft revolution location output signal from transmission tcm 9000 series optional engine driven power take off provision side mount location 5 o clock position as viewed from rear pto drive gear rating intermittent 59 tooth drive gear 298 kw 400 hp.
Main circuit oil filter replaceable element integral cooler circuit oil filter replaceable element integral electronic oil level sensor ols standard output retarder provision option type integral hydraulic low medium high 1490 n m 1763 n m 2170 n m 298 kw 400 hp 373 kw 500 hp 447 kw 600 hp torque power capacity 3500 series go.
I was also told that the only real accurate way to check fluid level is with the ols oil level sensor.
Best i can tell from reading this sensor is located in the control valve body assembly and can only be accessed by dropping the sump on the trans.
Checked the diagnostic codes and got the same report d1 14 12 oil level sensor failure low.