HCHCIN
11-23-2007, 10:33 AM
Hi all--
I searched the forums a little to see if I could answer my own question, but nothing fit the bill quite exactly. Here's the story:
One-year-old HCH-II with 10,000 miles. Headed out of town for a mini vacation this week and started out with 5/8 bars SOC. The trip west from town includes a long climb from the river valley, probably several hundred feet over three miles. Add to it that the on-ramp to this highway is sharp and at the bottom of the hill, and I knew I'd get to four bars and the usual forced regen penalty, right at the start of a 300-mile trip. Boo.
Forced regen set in, as expected, and I didn't monitor for a few minutes as traffic was thick. Nearing the top, I noticed SOC had dropped to one bar. I have never, over a year of ownership, seen it that low. It did, over several miles, happily rebuild to 7/8, and seems normal now.
Maybe it's not a problem, but I've noticed of late that the normal 5-7 bar operating range seemed smaller than usual -- i.e., SOC seems to deplete faster than normal, but also rebuild much faster than normal under standard operation (regen braking, etc.). I don't often get the visible forced regen. I should add that it seems the SOC/pack behavior changed after my first maintenance stop.
So my question is: what happened here? Either the pack is normal and the hill just killed the SOC naturally, or (my fear) is this a recal? It seemed as though the hill did kill it, and I never saw bars 2-4 disappear (it happened quickly), so I wonder if the computer realized there wasn't as much charge as it thought and adjusted the SOC bars?
I guess I'm asking for an education on recal behavior and conditions. MSantos, as ever, I'm looking in your direction. --RN
I searched the forums a little to see if I could answer my own question, but nothing fit the bill quite exactly. Here's the story:
One-year-old HCH-II with 10,000 miles. Headed out of town for a mini vacation this week and started out with 5/8 bars SOC. The trip west from town includes a long climb from the river valley, probably several hundred feet over three miles. Add to it that the on-ramp to this highway is sharp and at the bottom of the hill, and I knew I'd get to four bars and the usual forced regen penalty, right at the start of a 300-mile trip. Boo.
Forced regen set in, as expected, and I didn't monitor for a few minutes as traffic was thick. Nearing the top, I noticed SOC had dropped to one bar. I have never, over a year of ownership, seen it that low. It did, over several miles, happily rebuild to 7/8, and seems normal now.
Maybe it's not a problem, but I've noticed of late that the normal 5-7 bar operating range seemed smaller than usual -- i.e., SOC seems to deplete faster than normal, but also rebuild much faster than normal under standard operation (regen braking, etc.). I don't often get the visible forced regen. I should add that it seems the SOC/pack behavior changed after my first maintenance stop.
So my question is: what happened here? Either the pack is normal and the hill just killed the SOC naturally, or (my fear) is this a recal? It seemed as though the hill did kill it, and I never saw bars 2-4 disappear (it happened quickly), so I wonder if the computer realized there wasn't as much charge as it thought and adjusted the SOC bars?
I guess I'm asking for an education on recal behavior and conditions. MSantos, as ever, I'm looking in your direction. --RN