P1684 simply means that the computer has recently lost battery power. Either the battery has been disconnected or there is a wiring issue.
Trouble code P1684 means: The battery has been disconnected within the last 50 starts
Trouble code P1684 means: The battery has been disconnected within the last 50 starts
What does code reading P1684 means for dodge neon car when you scan the engine
Trouble Code P1684 means:The battery has been disconnected within the last 50 starts
Trouble code P1684 means:The battery has been disconnected within the last 50 starts
Trouble code P1684 means: The battery has been disconnected within the last 50 starts
Trouble code P1684 means: The battery has been disconnected within the last 50 starts
The P1684 code simply means that the battery has been disconnected within the last 50 starts.
Error code p0605 is related to the Transmission control module.
Trouble code P1684 means: The battery has been disconnected within the last 50 starts
It would be very rare for a P1684 code to turn the light on.
Trouble code P0765 means:Shift solenoid D malfunction