Shut down eng/check engine lites-follow up

[TOM A]

We took a short trip this weekend and after about 5 mi. the shut down engine and check engine lights flashed on for about 5 seconds. All gauges showed normal. About 5 mi later, it happened again and a 3rd time after about 5 mi. the rest of the trip (50 mi) everything was o.k. I'm thinking possibly a sensor or loose connection. I'll call Freightliner today for their input. Any thoughts.
Forgot to note - '05 Winn Journey, 350 C7 Cat, 11,000 mi.

[TOM A]

We took a short trip this weekend and after about 5 mi. the shut down engine and check engine lights flashed on for about 5 seconds. All gauges showed normal. About 5 mi later, it happened again and a 3rd time after about 5 mi. the rest of the trip (50 mi) everything was o.k. I'm thinking possibly a sensor or loose connection. I'll call Freightliner today for their input. Any thoughts.
Forgot to note - '05 Winn Journey, 350 C7 Cat, 11,000 mi.

[chasfm11]

Tom, you probably have at least 2 different connectors that carry signals between the engine and the gauge area.
1. If you can get the codes from the check engine light, it might help you isolate the area of failure.
2. I had speedometer failures and an transient oil pressure glitch that would shut down my engine, too. The connector to the engine controller was loose. The technology on those connects leaves something to be desired, to my way of thinking. It may not be a failing sensor but the engine's ability to receive signals from it.

[TOM A]

Got the MH back this week - six inactive fault codes were noted, one was for high fuel pressure voltage but supposedly does'nt have a fuel pressure sensor. ECM reprogrammed for no pressure sensor. Service called Freightliner to find out what was causing the fault codes. Their reply was "ghost signal" and not to worry.
When I started the engine the bank of dash lights did not go on. Left it there onther day for them to check and they found a plug behind the dash disconnected which (when not making good connection) may have contributed to the problem.
Runs great - hopefully no more problems.