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14 mar 2023 · The P1684 DTC indicates that the car battery was disconnected within the last 50 starts. The Powertrain Control Module (PCM) is responsible for monitoring the charging system and it sets this code when the battery was disconnected or there was a lack of voltage within the past 50 starts.
The P1684 Chrysler code indicates that there is a disruption in the power supply to a module within the vehicle. In simpler terms, this means that the connection between the battery and a specific control module has been severed or interrupted.
The P1684 error in a Dodge Neon is primarily attributed to issues within the vehicle's electrical system that impact the powertrain control module (PCM). A common trigger for this code is the disconnection or replacement of the battery which disrupts the module's power.
It could be due to a recently disconnected battery, low battery voltage, a malfunctioning charging system, a replaced or disconnected Transmission Control Module (TCM), a faulty TCM, or an open or shorted TCM harness. To fix this issue, start by visually inspecting the wiring harness and connectors.
1 mar 2018 · OBD II fault code P1684 is a manufacturer specific code that is defined by Chrysler, Dodge, Jeep, and Plymouth, as “Battery has been disconnected within the last 50 starts”, and on these applications, code P1684 is set when the PCM (Powertrain Control Module) detects that the battery had been disconnected, or that full battery voltage had ...
3 lip 2023 · Look for signs of poor electrical connection supply. Replace battery-related components on time. Check the alternator and starter motor for damage. The cost of fixing the P1684 code will vary depending on the cause of the issue and the cost of parts and labor.
6 lip 2020 · The Diagnostic Trouble Code (DTC) P1684 will set when the Transmission Control Module (TCM) is disconnected from battery voltage or ground. The DTC will also set during DRB-III QUICK BATTERY DISCONNECT procedure.
