When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Error message reads "TPMS Module Inoperative". Tire dealer replaced sensors in all 4 tires twice and the message still shows. Tried resetting the system by driving the vehicle per the owners manual. Tire store tried to reset it via system controls. Their testing equipment shows correct frequency is being transmitted by all four sensors. Appears that the control module is defective or not grounded adequately. Can someone tell me where the module is located on this model mbz? Thanks
Mercedes Benz E 350 4 Matic 2008 , ML 350 4 Matic 2013
TPMS (N88) MODULE
Originally Posted by jwilly82ca
Error message reads "TPMS Module Inoperative". Tire dealer replaced sensors in all 4 tires twice and the message still shows. Tried resetting the system by driving the vehicle per the owners manual. Tire store tried to reset it via system controls. Their testing equipment shows correct frequency is being transmitted by all four sensors. Appears that the control module is defective or not grounded adequately. Can someone tell me where the module is located on this model mbz? Thanks
HI there,
I have the same problem and bought a used one for 28$ off ebay. My question is after you installed it, did you have to program it as well or just plug in and reset the tpms ?
Thanks in advance
All sources say that new sensor might take 1/2 hr of driving before control unit will pick up the signal.
I swapped wheels on my 2008 model for the wheels from other car and the sensors worked with no issue, but technology changes all the time and different MY might have it set differently.
08-04-2018, 11:25 AM
