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Discussion Starter · #1 ·
Knew the heater control module was acting up, but froze the other day driving 30 miles to the dealer, no heat at all motor ran the whole way, dealer confirmed yet another heater control module failure that a lot of us appear to be plagued with, GM won't recall these???
No way to work on it yourself due to the high voltage makes me wish I never bought it, all the money saved in gas just went out the door to repairs you can't do yourself.. No warranty left estimated $1300 repair bill for just the heater module. Can a person buy a extended warranty and wait for the grace period and have them cover it?

On a side note, I appear to have a transmission issue just pop up as well, if left in low gear it now makes the motor rev up when running on gas when you let off the throttle at about 45 mph or higher, it has never done this before....
 

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The heater is covered under the voltec warranty so make sure you are not covered under this warranty.

4414090 Heater Coolant Heater Replacement

WARRANTY CODE: Coverage Code: V
 

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How did you know this was acting up? I am having occasional "no heat' episodes that go away after restart. Fan blows hard like it thinks there's heat but just get cool/cold air from vents. Seat heater on though!
Knew the heater control module was acting up, but froze the other day driving 30 miles to the dealer, no heat at all motor ran the whole way, dealer confirmed yet another heater control module failure that a lot of us appear to be plagued with, GM won't recall these???
No way to work on it yourself due to the high voltage makes me wish I never bought it, all the money saved in gas just went out the door to repairs you can't do yourself.. No warranty left estimated $1300 repair bill for just the heater module. Can a person buy a extended warranty and wait for the grace period and have them cover it?

On a side note, I appear to have a transmission issue just pop up as well, if left in low gear it now makes the motor rev up when running on gas when you let off the throttle at about 45 mph or higher, it has never done this before....
 

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When I had my heater worked on in November, it was not covered by the Voltec warranty. They said it was part of the "cooling system" which is not covered. It is entirely possible that some aspects of the heater, such as the electric heating element, might be covered. I could not say for sure. But it seems to me that coverage cannot be assumed. However, it might be worth getting it in before the warranty mileage expires, if possible, just in case there is some coverage that applies to your particular problem.
 

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When I had my heater worked on in November, it was not covered by the Voltec warranty.
Well, you have a Volt tech in this thread who confirmed the K10 is covered under the Voltec warranty and then cited the 4414090 Heater Coolant Heater Replacement warranty labor code.

http://gm-volt.com/forum/showthread...trol-module-replacement&p=3755009#post3755009

At WOT's post linked above he has included the #PIC5943: No Heat In EV Electric Mode DTC B101D - (Dec
5, 2013) document as an attachment that also specifies this 4414090 as being the appropriate warranty code for the K10 replacement.

Possibly your service dept failed to due the proper research into warranty replacement of this part?
 

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Quite possible, but I didn't have a complete "no heat" condition, so my situation may not be the one covered. Not sure how broad this 4414090 is. What is the K10? Is that the "heater control module" referred to in the OP?
 

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Discussion Starter · #9 ·
I had a Volt advisor call the dealer, they did confirm it was covered thankfully. Now my only question is why is it revving up in low gear when you let off the gas? Maybe should start a new post for that.
 
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