It almost HAS to be something like a cold solder joint or loose connection in the power input circuit doesn't it? I've never taken my case apart, but would not be afraid to do it for a quick visual inspection of the internal connections.
Then again, it may or may not be something you'd feel comfortable in fixing if you found the problem. I think though, your unit is under warranty with PHP, so my advice would be to ship it to them and let Bill check it out. You can leave the tune on your truck, since the unit is only acting like a monitor now, so you wouldn't lose out on any performance gains it's provided while it's in transit.
I cannot imagine any kind of malfunction in your truck that would cut the power momentarily to the OBDII port. I don't even think any of the wiring to that port comes close to anything that moves (like the tilt wheel) that could cause wear and tear. I'm beginning to strongly suspect the OBD cable and/or the unit itself.
In fact, I remember now one other instance of a PHP customer who had to have his OBD cable replaced, so I know they can be faulty. I'd talk to Bill or Corey about this. I'm sure you'll be able to work something out.
And - maybe if you just turned the ignition on, but left the engine off and wiggled wires, into the back of the OBD port, the OBD cable at the plug, and the cable where it plugs into the Gryphon, you might be able to reproduce the problem and figure out where the fault is.
Hope all my "thinking out loud/rambling thought processes" have given you some ideas! :o
- Jack
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Thu, January 8th, 2009, 07:08 PM
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