No heat in 2013 on EV

7672 Views 46 Replies 15 Participants Last post by 2VoltFamily, Oct 16, 2017

turboguy327

Discussion Starter · Dec 20, 2016

So I took my 13 to the dealer for the axle click noise and no heat most of the time I'm on electric.

They said my caliper slides need to be lubricated to fix the axle click noise. They want $70 an axle and want to do both axles. And they want to reprogram the HVAC module for $218 plus a $109 diagnosis fee. I told them I'll pass on everything.

After the car sits at night I have heat. If I stop somewhere and shut the car off then back on again within a few hours I won't have heat the 2nd time. If the car sits 5-6 hours the second time, I'll have heat.

They are reprogramming the charger module under voltec warranty as there was a code for it.

The SW actually told me the engine NEEDS to run to produce heat as the car needs to be in open loop to make heat. So basically he doesn't have a clue. And this is the dealership with the volt specialist in the area.

kWh jumps up as if the heater is drawing power but no heat.

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Qinsp

· #2 · Dec 20, 2016 (Edited)

turboguy327 said:
So I took my 13 to the dealer for the axle click noise and no heat most of the time I'm on electric.

They said my caliper slides need to be lubricated to fix the axle click noise. They want $70 an axle and want to do both axles. And they want to reprogram the HVAC module for $218 plus a $109 diagnosis fee. I told them I'll pass on everything.

After the car sits at night I have heat. If I stop somewhere and shut the car off then back on again within a few hours I won't have heat the 2nd time. If the car sits 5-6 hours the second time, I'll have heat.

They are reprogramming the charger module under voltec warranty as there was a code for it.

The SW actually told me the engine NEEDS to run to produce heat as the car needs to be in open loop to make heat. So basically he doesn't have a clue. And this is the dealership with the volt specialist in the area.

kWh jumps up as if the heater is drawing power but no heat.

There was a known problem with the 2013 heater module. Flashing doesn't fix it AFAIK. They had to replace the module.

Do a search about it. Consider finding a dealer who works on more Volts. They should have known that flashing doesn't fix it.

I'm also suspicious about the caliper pins making axle noise. It's another noted issue, and has nothing to do with the calipers. Some axles were not torqued to spec at the factory. Retorquing could make the issue vanish, but if it doesn't, the axles have a 5 year warranty.

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Qinsp

· #4 · Dec 20, 2016

turboguy327 said:
That's what I told him from research on here and he said that flashing new software is the repair. Do you know the partnumber for the module or what GM calls it so I can just replace it myself? As it's not under warranty I don't want to deal with a dealer any more than I have too.

Get ahold of your Volt Advisor. I believe this dealer is trying to scam you. GM knows a batch of the heater modules were defective. And they know some of the cars didn't get the axles tightened to the correct spec.

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Qinsp

· #5 · Dec 20, 2016 (Edited)

It does make me ill that they would charge that much for flashing. Reflashing is acknowledging the module was not programmed correctly when sold.

I used to flash friend's cars in under 30 minutes total time in my driveway.

BTW - a computer program flash into a module doesn't "fail" due to decay. At least not that I've seen. If the car heat was working before, now it does not, how the hell is a flash going to change anything? The old flash fell out on the ground?

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