Special Service Message 52076 - 2019-2021 Edge/Nautilus - AWD - RDU Actuator Noise From The Rear Of The Vehicle When Approaching Vehicle Or Prior To Starting Engine

[Haz]

SSM 52076  -  2019-2021 Edge/Nautilus - AWD - RDU Actuator Noise From The Rear Of The Vehicle When Approaching Vehicle Or Prior To Starting Engine

 

Some 2019-2021 Edge/Nautilus vehicles equipped with all wheel drive (AWD) may exhibit a noise from the rear of the vehicle while approaching the vehicle or prior to starting engine. This may be due to the rear drive unit (RDU) actuator learning process. Reprogram the software in the AWD module to minimize the noise using the latest software level of the appropriate Ford diagnostic scan tool. If no other concerns or symptoms are present, further diagnosis or repairs are not recommended. For claiming, use causal part 4000 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.

 

[kruzr1]

My 2019 ST has always made this noticeable "chirp" type noise. It happens when I either unlock the vehicle with the remote or using the door handle.  If I don't start the vehicle it chirps again approximately 30 seconds later. 

[Haz]

Supplemental information on Rear Drive Unit (RDU) operation and the RDU Actuator Motor's appearance and location...

 

Document download links>

Rear Drive Axle and Differential - System Operation and Component Description - 2019 Edge Workshop Manual.pdf

Rear Drive Unit (RDU) Actuator Motor - Removal and Installation - 2019 Edge Workshop Manual.pdf

 

Good luck!

 

Edited November 18, 2023 by Haz