Description : 24 Mar, 2023
Upgraded Transmission shifter board for WJ Jeep Grand Cherokee 2.7 CRD
READ THE MANUFACTURERS DESCRIPTION BELOW
Bought but never used!
The purpose of transmission shifter module is to tell to the car gearbox in which position the gear levers are. Transmission shifter module PCB (Printed Circuit Board) is located under the gear lever rods where it uses sensors to know the exact position of the rods. When the board breaks down then manually you can switch the gears, but electronically the gear remains in the position it was before the shifter board broke, like for example it stays in Parking position. Then the car realizes that something is wrong and switches the transmission into limp mode and shows fault code P0702 in dash. Within Limp Mode your car only drives with second and reverse gear, switching gear lever causes car to jump. Since you can only drive with 2nd gear, maximum driving speed is about 60 km/h. Also MIL light will light up in dashboard.
P0702 code ALWAYS occurs in Engine Control Module with Jeep gearbox electrical problems. P0702 is generic fault code stored in Engine Control Unit and it means that transmission has some electrical fault. There can be other faulty electrical items in transmission with code P0702, but broken shifter board is the most common. Best way to know what exactly is broken is to read out transmission and engine fault codes. If you need diagnostic tool for Jeep Grand Cherokee, then check at WJdiag from Google Play.
There is no need to change the whole shifter lever assembly in your Jeep Grand Cherokee. It is enough if you change the faulty transmission shifter electronics board and your car will drive again.
We made a new and improved version of the Jeep Grand Cherokee transmission shifter PCB module. Our new board is made to last – we removed all the design errors, plated all the PCB pads with gold, removed oxidation problems, used high-quality tin that is also used in military and medicine devices and replaced problematic parts with high quality details. We also made completely new and improved firmware for shifter board, it uses more accurate sensor switching – with this update car does not go into limp mode when shifter rod bushings are little worn-out. We changed also problematic back-light with LED-s and added 0.7 second delay to reverse light – reverse light does not blink anymore when you switch gear from P to D and will light up only when gear rod stays on R position more than 0.7 seconds. Also we are not using any parts that can heat up too much – board stays cool and does not break down due to heating.
NO OFFERS ITEM BRAND NEW!
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