P1684 – Dodge DTC

Dodge DTC P1684 – Battery Disconnected Within Last 50 Starts

DTC P1684 meaning on Dodge

  1. DTC P1684 indicates that the battery has been disconnected within the last 50 engine starts.
  2. This diagnostic trouble code is stored in the Powertrain Control Module (PCM) memory.

Dodge DTC P1684 symptoms

  • Typically, there are no noticeable symptoms associated with DTC P1684.
  • It is more of an informational code rather than a code indicating a specific problem.

Dodge DTC P1684 causes

  • The primary cause of DTC P1684 is disconnecting the battery within the last 50 engine starts.
  • This could happen during maintenance or repair work on the vehicle.

Dodge DTC P1684 seriousness

  1. DTC P1684 is not a serious issue and does not affect the performance or safety of the vehicle.
  2. It is more of an informational code for the technician to be aware of recent battery disconnect events.

How to diagnose DTC P1684 on Dodge

  • Diagnosing DTC P1684 is straightforward as it simply indicates a recent battery disconnect.
  • Check for any recent maintenance or repair work that may have involved disconnecting the battery.

How to fix DTC P1684 on Dodge

  • To clear DTC P1684, reconnect the battery and start the engine at least 50 times to reset the code.
  • If the battery was disconnected for a valid reason, such as maintenance, the code should clear on its own.

How to erase DTC P1684 on Dodge

  • Once the battery has been reconnected and the engine has been started at least 50 times, the DTC P1684 should be automatically erased from the PCM memory.
  • If the code persists after multiple engine starts, further diagnosis may be needed to ensure there are no underlying issues.

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