Allison Transmission Neutral Safety Switch Location

If so what problems was your transmission giving you before you replaced the switch.

Allison transmission neutral safety switch location.

The neutral safety switch will allow the engine to start with the transmission selector in park and neutral. The nsbu switch transmits selector position information to the tcm. Part 4 of 7. Put on protective clothing oil resistant gloves and safety glasses.

Go under the vehicle and locate the transmission position sensor switch. In addition to the column shifter another component associated with the shift selector is the nuetral safety back up nsbu switch mounted on the selector shaft of the transmission. Remove the transmission position sensor switch step 1. I have found a tsb 02 07 30 011c that seems to cover my problems.

The nsbu switch mounts directly onto the transmission housing from the outside and detects the angular position of the shift selector shaft. Has anyone here had to have their park neutral safety switch replaced on their allison transmission. Mechanical floor shifters have the neutral safety switch located on the of the transmission. Transmission range or neutral switch explains the range switch testing or the neutral safety switch.

Grab a creeper flashlight and tools for the job. I was having problems with my transmission and one day i went to get in it and it said shift inhibited return to neutral to reset and after doing some rese. I am currently having some problems with mine including diagnostic codes p1711 and p1713. The switch is located in two places on the vehicle.

This switch tells the tcm the position of the shift leve.