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Automatic Transmission Range Switch Replacement
 
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Pelican Technical Article:

Automatic Transmission Range Switch Replacement

Nick Czerula

Time:

2 hours2 hrs

Tab:

$150

Talent:

***

Tools:

10mm socket, Vise Grips, BMW scan tool

Applicable Models:

BMW X5 (2000-06)

Parts Required:

Transmission range switch

Hot Tip:

Try adjusting it before replacing

Performance Gain:

Repair faulty range switch, restoring transmission operation

Complementary Modification:

Replace shift knob

The transmission range switch sends the shift lever and mechanical shift cable position to the transmission control module. With the input from the range switch, the transmission control module makes shift decisions. The switch sends information such as, Reverse position, L1, L2, L3 and L4. Each switch is analog and sends an open or closed signal. When this switch fails, the transmission control module cannot make the correct shift decision. Transmission shifting errors may occur or fault codes may be stored. The number one complaint I have is poor shifting or the vehicle is in Safe Mode.

In this article, I'll go over the steps involved with replacing the transmission range switch on 5-speed ZF 5HP24 equipped X5 models.

Remember that your car may have been serviced before and had parts replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If you're working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Never work on your vehicle if you feel the task is beyond your ability.

Our vehicle may vary slightly from yours as models do change and evolve, as they grow older. If something seems different, let us know and share your info to help other users. Do you have questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

The transmission range switch is located on the right side of the transmission (red arrow).
Figure 1

The transmission range switch is located on the right side of the transmission (red arrow).

Working at the right side of the transmission, remove the transmission range switch heat shield.
Figure 2

Working at the right side of the transmission, remove the transmission range switch heat shield. Remove the 10mm fasteners (red arrows).

Then, remove the transmission range switch heat shield.
Figure 3

Then, remove the transmission range switch heat shield.

Working at the front of the transmission pan, disconnect the range switch electrical connector by rotating the connector (red arrow) counterclockwise and pulling it straight out.
Figure 4

Working at the front of the transmission pan, disconnect the range switch electrical connector by rotating the connector (red arrow) counterclockwise and pulling it straight out.

Next, pull the range switch wiring harness out of its mounts (green arrows).
Figure 5

Next, pull the range switch wiring harness out of its mounts (green arrows).

Working at the front of the transmission pan, use a small flathead screwdriver to release the locking tabs (red arrow).
Figure 6

Working at the front of the transmission pan, use a small flathead screwdriver to release the locking tabs (red arrow). Then slide the connector out of the mount (green arrow). There are two locking tabs, one on each side of the connector.

Mark the position of the range switch (green arrow).
Figure 7

Mark the position of the range switch (green arrow). This will help when reinstalling. Then remove the two 10mm fasteners (red arrows).

Using a small flathead screwdriver, lever the switch off the transmission.
Figure 8

Using a small flathead screwdriver, lever the switch off the transmission. It may stick on the metal pin (red arrow). If it does, gently lever it side to side until it is free.

Remove the switch from the transmission.
Figure 9

Remove the switch from the transmission. The shift indicator rod (red arrow) has a flat spot used to align it to the switch. Note the position when reinstalling. The metal pin (green arrow) can be seen here, usually corroded in my area. It can be tricky to get the switch to release from the pin. When installing a new switch, you should be able to leave the pin in place. Just bolt up the new switch and check its operation. If adjustment is needed, see the following steps.

Use a pair of vise grips and pull the pin out of the transmission.
Figure 10

Use a pair of vise grips and pull the pin out of the transmission.

Once the pin is removed, install the new switch with the fasteners loose (green arrows).
Figure 11

Once the pin is removed, install the new switch with the fasteners loose (green arrows). Then rotate the switch (red arrow) in the direction needed to reach the correct positon. See the following steps for locating the correct position.

Tighten the switch fasteners.
Figure 12

Tighten the switch fasteners. With the transmission in neutral, check if the instrument cluster (green arrow) reads the same gear. If so, try all the gears and check that the instrument cluster reflects your selected gears.

You can also use a BMW scan tool to check adjustment of the switch.
Figure 13

You can also use a BMW scan tool to check adjustment of the switch. With the transmission in neutral, check if the scan tool (green arrow) reads the same gear. If so, try all the gears and check that the scan tool reflects your selected gears.

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Comments and Suggestions:
darrian Comments: Hello I am currently hunting down a no start/crank situation on my 2000 528i sport. What I have is the dash indicating vehicle is in 5 while the floor shiftier indicates park or drive or neutral or reverse and always dash reads 5th. Is this indicative of a neutral safety as I suspect ?
November 22, 2015
  Followup from the Pelican Staff: Likely a fault with the range switch for the transmission. - Nick at Pelican Parts  
Florin Comments: First of all,i want to say thank you Nick!
I have no sensor outside the tranny.
If the switch is internal,how does it looks like and how can i replace it?
I could not find any infos,pictures about the internal neutral safety switch!
June 3, 2015
  Followup from the Pelican Staff: It is probably near the valve body, you would have to drop the trans pan and remove the valve body. It is a big job. - Nick at Pelican Parts  
Florin Comments: Hello.
I have a 2004 bmw x5 3.0
Trans range sensor needs to be replacesed.
I can not find it.Plese HELP!
June 3, 2015
  Followup from the Pelican Staff: Should be located in the place shown in this tech article. If not, check the opposite side of the transmission. Locate the lever, if you find it and there is no range switch, it may be internal. - Nick at Pelican Parts  

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Page last updated: Wed 12/7/2016 02:48:23 AM