There has been some confusion about the 06 trucks' ability to display the trouble codes by the old key cycle method. In a recent reply I indicated that I couldn't get the codes from my 06 either.
Here is what I found:
You must hold the key release button down and cycle the key completely off or it won't work. If the odometer is still "alive" you cannot complete the scan.
Cycle the key completely off three times and then leave it on. The codes will display. Mine showed P0111 the first time and then would just indicate "done" for the next two checks (apparently the p0111 code cleared itself).
This is good, as I didn't want to have to buy a scan tool. Hope it can help someone else out too.
Randy
Here is what I found:
You must hold the key release button down and cycle the key completely off or it won't work. If the odometer is still "alive" you cannot complete the scan.
Cycle the key completely off three times and then leave it on. The codes will display. Mine showed P0111 the first time and then would just indicate "done" for the next two checks (apparently the p0111 code cleared itself).
This is good, as I didn't want to have to buy a scan tool. Hope it can help someone else out too.
Randy