Thread: Issue with dtc codes
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Old Mon, December 29th, 2008, 07:01 PM
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Originally Posted by jerodr View Post
Well...I was washing my truck earlier and I got in it to turn it around in my driveway, cranked it and an "Engine in failsafe mode" beeped on my message center. Scared the Sh** out of me. So I turned it off and checked the dtc codes on my gryphon. It pulled one - P2106: Throttle Actuator Control System - Forced Limited power. So I thought ok i'll just return it back to stock and see what happens. Did that and now I have a different code only - P1000 On-Board Diagnostics System: Readiness Test not complete. The "engine in failsafe mode" isn't on anymore, but I am still getting this code. I unpluged the gryphon and plugged it back in but the code is still there. Any help would be greatly appreciated.

Jerod
I'm pretty sure you're getting the P1000 code now because the system's been returned to stock and you haven't completed the required number of drive cycles (which is a good reason to NEVER return it to stock just before an emissions test (if your state requires them and they plug their tester into your OBDII port). Just leave it in it's custom tune and all seems to be well (according to several other Gryphon owners who've had their car emissions tested). I plan to remove my Gryphon from the dash though, when it's my turn and tuck the cable up out of sight - so I don't give the test folks anything to raise their eyebrows over.

Now, why did you get the failsafe warning and the P2106 code? I can only guess. Did you perhaps wash the engine? I've learned these trucks are pretty sensitive to water in and around the COPs. It's possible something like that caused the trouble - especially since the truck was fine up until you washed it and it was simply sitting there under no stress. The failsafe mode is activated though by high engine temperatures and that information comes from the CHT sensor I believe. Possibly water in and around it caused it to send an erroneous high reading to the PCM, forcing the failsafe mode.

If it was my truck, I'd go out and reprogram the tune you had before. Start it and see what happens. I suspect you'll still have the P1000 code, but that should go away after about 30 miles of driving.

Anyone else with some more brilliant thoughts?

- Jack
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