[zabolots]

2017 Premier with 40,000 miles just went in for EGR valve & cooler replacement (no warranty, $1700 bucks, ugh). Tech ran into this issue when trying to start the car for the first time after the EGR replacement. Confirmed codes from TSB and ordered BECM. Now I wait.

still no part in sight. GM won't even promise that they will ever get the part. Now been at dealer service for 47 days.

Holy crap! Apparently I'll be waiting a long time!

Was told it would not affect driveability so they made me turn in the loaner and drive the Volt home. Let's see how long until I run into the issues described in this thread. For the record, I never had the issue myself. It was just the tech who worked on the EGR replacement that found the issue.

Was also told that when (if?) the part shows up, it's a "quick" job that I'll just be able to wait for rather than getting a loaner. These guys obviously have no idea what they're talking about.

 

[zabolots]

2017 Premier with 40,000 miles just went in for EGR valve & cooler replacement (no warranty, $1700 bucks, ugh). Tech ran into this issue when trying to start the car for the first time after the EGR replacement. Confirmed codes from TSB and ordered BECM. Now I wait.



Holy crap! Apparently I'll be waiting a long time!

Was told it would not affect driveability so they made me turn in the loaner and drive the Volt home. Let's see how long until I run into the issues described in this thread. For the record, I never had the issue myself. It was just the tech who worked on the EGR replacement that found the issue.

Was also told that when (if?) the part shows up, it's a "quick" job that I'll just be able to wait for rather than getting a loaner. These guys obviously have no idea what they're talking about.

Replying to my own thread to update on the bold portion above: Check engine light came on yesterday and the diagnostics report on the My Chevrolet app indicates an issue with the lithium ion battery. So far it still starts and charges OK, but I suspect it won't remain that way for long.

Hopefully they get a shipment of these battery control modules in soon!

 

[zabolots]

Update on my 2017, 80 days still no BCEM. Sitting at the dealer

Has anyone waiting this long tried contacting GM corporate offices about this issue rather than just going through the dealer? This is really unacceptable from a customer standpoint.

I thought I read that the part is the same for the Bolt. If that's true, and they're back to building Bolts (which I'm not sure they are), they should pull a bunch from the factory and use them for these repairs.

 

[zabolots]

Per your previous message where they confirmed BECM issues but denied a loaner because it was still drivable, I'd be curious to see if your symptoms progress to what I (and other people) dealt with in terms of BECM failure. My assumption is that the failure is of a binary electrical/software nature (perfect one day, failure state the next) as opposed to a gradual mechanical failure, but maybe not? In any case, if your car gets to the state mine was in, well, technically it could be coaxed into under its own power, but I wouldn't really call it driveable.

Well, it doesn't seem to be a constant degradation because today the Check Engine light turned off in the in the dash and the My Chevy app show no current issues. It seems I'm certainly on the precipice of a total BECM failure but at this point it comes and goes.

 

[zabolots]

Well, it doesn't seem to be a constant degradation because today the Check Engine light turned off in the in the dash and the My Chevy app show no current issues. It seems I'm certainly on the precipice of a total BECM failure but at this point it comes and goes.

CEL is back on and while the car starts (so far) after a short drive I get the "Propulsion Power is Reduced" message and the car switches over to the gas engine. Car won't even charge now (solid orange light when plugged in).

Not long before it's dead in the water I'm afraid.

 

[zabolots]

That's exactly what mine would do, fwiw. Other than the whole stopping mid-motion, which happened twice for us.

I've had some studders while driving with "Propulsion Power is Reduced" but never had it completely stop. How did you get it going again when that happened? Gotta be prepared