U1400 OBD Code Definition:
Function Restricted due to Insufficient Voltage
U1400 OBD Code Description:

Possible Symptoms

  • System Malfunction

Possible Causes

  • Battery Voltage too Low

Possible Solutions

  • Check/Replace Fuse(s)
  • Check/Replace Battery
  • Check/Replace Generator

Special Notes

  • This Obd Code is a note which normally indicates a temporary Low Voltage Situation and unless it occurs regularly it shouldn’t be of concern.

3 thoughts on “U1400

  1. abdellaoui haythem

    Jai un probleme ralenti instable sur berlingo ehdi model 2014.avec un code derreur u1400 .jai changer lalternateur mais meme probleme merci daide moi.


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