Ram trouble code u1421. A defected Body Control Module (BCM), visible harness .

Ram trouble code u1421. May 23, 2020 · The code found is U1421 implausible ignition key off time received. Your truck has a key cycle counter that runs even when the truck is off. That code indicates typically an invalid time response. Diagnostic Trouble Codes, known as DTCs, indicate problems with the car’s engine and supporting components. Ever wondered what code U1421 means on Cummins? The code U1421 on Cummins appears when On ECM receives an implausible ignition key off time and sets the code. It will tell the TIPM or ECM the time when it goes to start. Tried clearing it but it won't go away. A defected Body Control Module (BCM), visible harness What causes the U1421 code to appear? Common causes include a faulty ignition switch, a failing body control module (BCM), wiring issues, or corrupted communication signals between modules. The U1421 code indicates a communication fault between the engine control module (ECM) and other vehicle modules. Check wiring harnesses and connectors for damage or corrosion. 2006 Dodge 2500 Cummins U1421 Code Meaning and Fix Dodge 2500 Cummins often faces communication errors and sensor signal interruptions causing drivability issues. Thanks May 23, 2020 · Repair Information for U1421 RAM code. Note: it requires the factory scanner to check it and the other Oct 22, 2014 · Got this fault code on my 14 2500 with 7500 mies on it. Detecting the problem quickly with DTC code helps to resolve it faster. Here is the actual test for the code. Learn what Implausible Ignition Key Off Time Received means, location and how to repair? Make: RAM Code: U1421 Definition: Implausible Ignition Key Off Time Received Description: The Body Control Module (BCM) monitors the time the ignition is in the off or accessory position between key cycles and then broadcasts the signal called Ignition Off Time (IOT) via the CANC Bus. This should not be a critical code. . Already scheduled a service appt but does any have an idea? Or point me to an already discussed thread. ljdlqzez lvhceus mqb rxtevck bdjiw yvc tnta wieblt xhx agheg