Code Help
FTE Leadership Emeritus
Joined: Jan 2003
Posts: 161,999
Likes: 75
From: 3rd Rock
...Welcome to Ford Truck Enthusiasts! If you have a minute check out the Guidelines, it will help you to navigate through and understand FTE.
Stick around someone will be by shortly to answer your question.
We are pleased you have chosen the best source for Fords!
Enjoy FTE
…..See you on the boards.
Stick around someone will be by shortly to answer your question.
We are pleased you have chosen the best source for Fords!
Enjoy FTE
…..See you on the boards.
Elder User
Joined: Sep 2004
Posts: 941
Likes: 4
Codes 411 and 412 are KOER codes related to idle speed control. The computer is not able to use the IAC to get the idle speed high enough and low enough to suit it.
My guess is that you installed the scanner and then started the engine. This causes the computer to run a KOER test instead of the KOEO test that you need to pull transmission codes. In particular, you are looking for "continuous memory" codes relating to the transmission.
Install the scanner, then turn the key from "off" to "run". Do not start the truck. The codes you get from this procedure should be more helpful.
If the O/D light flashes only at highway speeds, and you are experiencing a "rumbling sound" as you lightly press the gas, you may be suffering from torque converter shudder.
My guess is that you installed the scanner and then started the engine. This causes the computer to run a KOER test instead of the KOEO test that you need to pull transmission codes. In particular, you are looking for "continuous memory" codes relating to the transmission.
Install the scanner, then turn the key from "off" to "run". Do not start the truck. The codes you get from this procedure should be more helpful.
If the O/D light flashes only at highway speeds, and you are experiencing a "rumbling sound" as you lightly press the gas, you may be suffering from torque converter shudder.
Posting Guru
Joined: May 2002
Posts: 2,450
Likes: 2
From: Baltimore
Blinking OD light is somewhat common in the mid year Explorers. Just a suggestion, but you might want to try disconnecting the battery for 5 minutes, which will reset the codes. Hook it back up and drive it. If the OD light comes back on, then by all means do further diags. Also, it's not good to drive any significant distance with the OD light flashing, as the trans is working extra hard in (cripple/limp) mode.
