my 4.1 v8 deville comes up with fault code pcm memory reset ... what and how ??? :ill:
P pompeypaul · Registered 1986 coupe deville Joined Jun 6, 2009 · 22 Posts Discussion Starter · #1 · Jul 3, 2009 Only show this user my 4.1 v8 deville comes up with fault code pcm memory reset ... what and how ??? :ill:
C carnut · Registered 1926 Model T street rod, 2000 Jaguar XJ8, 1999 Corvette. Joined Feb 17, 2003 · 6,738 Posts #2 · Jul 3, 2009 Only show this user Usually means a history code. In the past the battery was disconnected causing no communication. Erase the code and check for codes in a week.
Usually means a history code. In the past the battery was disconnected causing no communication. Erase the code and check for codes in a week.
P pompeypaul · Registered 1986 coupe deville Joined Jun 6, 2009 · 22 Posts Discussion Starter · #3 · Jul 3, 2009 Only show this user how do i erase them ??
noahsdad · Registered '87 SDV Joined Jun 17, 2005 · 1,293 Posts #4 · Jul 3, 2009 Only show this user Key on, press OFF and WARMER to cycle on diagnostics. Wait for display to read .7.0 Press OFF and HI to erase ECM codes: Display reads E.0.0 Press OFF and LO to erase BCM codes: Display reads F.0.0 Press AUTO to exit diagnostic mode
Key on, press OFF and WARMER to cycle on diagnostics. Wait for display to read .7.0 Press OFF and HI to erase ECM codes: Display reads E.0.0 Press OFF and LO to erase BCM codes: Display reads F.0.0 Press AUTO to exit diagnostic mode
