2000 Venture Wierd Dash Problem

[mmorales]

I have a 2000 Venture and every so often while driving, all the dash lights come on and all the guages, including the speedometer, drop to 0, about 1 second later everything goes back to normal. It doesn't seem to be causing any problems other than freaking my wife out everytime it happens. Anyone else seen this problem?

Moses

[richtazz]

sounds like a bad BCM (body control module). It controls most of your guages and instrument panel readouts among other functions.. It's a small box under the passenger side of the dash next to the glove box. They range in price depending on if you have keyless entry or not.

[mmorales]

Thanks, I'll check it out.

[Wade&Nathan]

Originally Posted by mmorales

I have a 2000 Venture and every so often while driving, all the dash lights come on and all the guages, including the speedometer, drop to 0, about 1 second later everything goes back to normal. It doesn't seem to be causing any problems other than freaking my wife out everytime it happens. Anyone else seen this problem?

Moses

I also have a 2000 Venture that has this exact same problem. I have tried a couple of different mechanics who were not able to fix the problem. Did you try the new BCM and did it work. What was the cost to repair it?

[bobof15c]

I had same 'weird dash' problem simultaneously with the intermittent electrical start issues described in other posts where one time it starts and the next it acts like a dead battery but it will jump start A-OK. I solved the 'weird dash' problem by disconnecting the battery pos cable (to relay box above battery) but now a 1000 miles later I still have the intermittent electrical start issue, but have not had the 'weird dash' repeat.

There is a TSB that says to check for corrosion of a wire bundle/harness under the driver's seat that sometimes gets wet and immediately corrodes--but that was not my case...

Update--After new battery/starter--2 weeks same problem--took it to Chevy Dealer, who thought it was a bad (new) starter or ignition switch but then found it was a loose wire to starter connection AS WELL AS corrosion in between the battery cable bolts and the connection cover over the bolts. Even though I had cleaned the wall of the battery and the bolt threads, there was poor continuity from bolt to cable... Has worked perfect for 3 weeks and 30 starts.