Posts Tagged: GM P0230

P0230 code on a GM vehicle — Service Bulletin Fix

Diagnose and fix a P0230 code on a GM vehicle using GM Service Bulletin GM has issued a service bulletin #PIP4462 to address a P0230 Fuel Pump Primary Circuit code on a GM vehicle dealing with the Fuel Pump Relay Control Circuit on all 2004 through 2009 GM cars and light trucks. Use a digital multimeter to check the resistance between pins 6 and 14 at the diagnostic link connector (DLC), also known as the OBDII port. The resistance should be around 60-Ω ±10%. If that checks out, check the … Read More