Gauge cluster light up

[Easygoin]

Got in the truck today, a 2011, 1500, 5.7 with 112,000 miles. I just pulled up to a red light about a quarter mile from home and every warning light on the dash lit up. The truck was still running fine. By the time the light change they had all gone out. They came back on for a very short time after crossing the intersection. I drove it for about 15 miles with 2 stops and no more drama. Can anyone she'd some light on this?

 

[DAK2]

Check for corrosion in connectors to ECM, had the same thing happen to mine a couple of years ago. Water or moisture will run down cabling to ECM. They had to reroute the cables and had to replace ECM as they couldn't clean contacts in ECM. Good Luck

 

[Daw14]

Have your battery load tested , also check for any codes that may be present.

 

[PaleFlyer]

Like DAK2 said, this sounds like either a loose connection, or corrosion.

 

[Easygoin]

I'll check for codes later today and double check the battery connections. Thanks for the advice.

 

[Easygoin]

There were no codes thrown. I also checked the battery and it appears OK even under load. It is fairly new. I haven't wrenched on a vehicle for years so I'm not sure what the
ECM is or where it is. Guess I need to do some research.

Thanks all

 

[DAK2]

ECM/ECU is located under hood passenger side on firewall three cables connected to it.