Posts Tagged: U0404
Fix a Jeep U0404 code
Fix a Jeep U0404 code by cleaning the shifter mechanism and testing the electronic shift module A Jeep U0404 code is quite common. It’s defined as Implausible Data Receiver from ESM. The electronic shift module (ESM) is located in the console and connects to the shifter mechanism. It reports a digital signal to the transmission control module to tell it which gear you’ve chosen. What causes the Jeep U0404 code and ESM failure Because the ESM sits next to the shifter, it collects debris like hair, coffee, soda, dust and … Read More
U0404 and TSB 21-016-06 Jeep
Fix U0404 and TSB 21-016-06 on Jeep What is U0404 Chrysler has issued TSB 21-016-06 to address a U0404 trouble code on the vehicles listed below. The code is defined as: U0404-IMPLAUSIBLE DATA RECEIVED FROM ESM. You may also see a P0607 trouble code set. The ESM is the electronic shift module (shifter mechanism). The ESM sends digital data on the CAN digital buss to the transmission control module (TCM) to tell it you’ve selected a gear. The U0404 code sets when the TCM detects an incorrect digital signal from … Read More