P0670-Glow Plug Controller Circuit Malfunction; P0683-Glow Plug Module Signal Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0670-GLOW PLUG CONTROLLER CIRCUIT MALFUNCTION.