P0621 Saturn -

Question

Every time my 2006 Saturn Vue V6 3.5L (honda engine) is worked on and the battery is disconnected, the next day I get the Engine warning light and a P0621 code is in the computer. What could be causing this. The Alternator has been replaced 3 times because of this.

Answer 1

Hi there,

Here is some info regarding this code.

P0621 SATURN - Generator Lamp L Control Circuit Malfunction

Read more: https://www.autocodes.com/p0621_saturn.html