michaeldc46

I had a bad seat memory control module - dealer needs to run a parasitic battery drain test - my seat control module tried to communicate 290 times over a weekend at the dealer and drained the battery - GM just came out with a newly designed module - installed and no problems since.

Had the single Seat Control Module under the drivers seat replaced with new designed module from GM - dead battery after 3 days due to Seat Control Module trying to communicate 290 times over two days and draining battery - stopped the battery drain. Not clear what your problems are ...

New Seat Control Module installed yesterday and put on analyzer overnight to check for any battery discharge - none - so just picked up my truck. The new seat control modules should be available if anyone has this problem. GM had issued a GM-Techline notice in June 2020 about the bad seat control modules and they are just now available ........... lots of supply/manufacturing issues around the world for GM. Local repairing dealer gets an A plus !

New Seat Control Module in Cincinnati on Friday and on its way to my repairing Dealer north of Detroit for possible repair on Monday and then a day or two to make sure that it is the only cause of the battery draining to dead over 3 days ..............

Am I the only one with a Bad Seat Control Module ? Bad module was draining the battery - tried to connect 290 times over a weekend at the dealer and drained the battery. GM now updating module and is shipping the new part to part warehouses. Truck has been down 28 days waiting on the new part to get to the dealer for repair. Dealer would not release truck with fuse pulled on bad seat control module nor install a "new" old designed part - had to wait on the new part. GM had 240 new modules produced on the first run.

Newly Designed Seat Control Module to be shipped first week in March. Hopefully they kept my new battery on a charger or disconnected while truck was sitting and not just left totally dead for 10 days - check on this Monday.

GM and their manufacturer has produced 240 new design Seat Control Modules and my truck should be one of the first to get one. No firm timing yet.

Thanks Kent, yeah, I realize selling dealer can not really do something except maybe a push, but did say phone calls to the customer service center is the best approach to elevate the case. Repairing dealer looking to see if pulling the fuse will get the truck back in service - pulling the bad module will probably set some codes ........they are going to look at it and let it sit overnight to see if it still discharging from anything else - seat module is the most likely suspect but need to verify. Thanks for your input ......

Talked with repairing dealers "Customer Experience Manager" and are upping my lack of part to fix my truck to the GM District Manager. Called Dealer at which the truck was purchased and asked for a push from them - did not trust the truck to go 35 miles to them due to jump starting particularities - high amp flow on charge before jump. Selling Dealer had me go back to GMC.com Customer Service on call in - ended up being on text. Gave them my reference number and they will get back to me in two business days. There are many trucks that sit at the dealer waiting for a part - like two months. I could request a loaner Pickup Truck as the next step. I was told if it sits for more than thirty days GM would help pay my note on the purchase - mostly cash, trade in and tiny note ........... not interested. I am going to see where this goes, but a new truck with the correct part would be my chosen direction - exact same truck and swap them out ................. Day 15 out of service today !

Nope - new part number is 23338340 and the old part number is 13517130 and the new part is not available from GM - GM online part stores have this reversed and wasted a bunch of time finding a 13517130 at another dealer which was in stock, but what you want is the the part number that fixes problems with the old unit - not working and/or draining the battery. No timing from GM other than a few days out for 23338340 - a $100 part has taken my truck out of service for 15 days so far. Don't understand why GM can't pull parts from the assembly plant to get our trucks back on the road ......... Grrrrrr !

Still searching for a seat control module - some more data on Power Seat Control Module causing dead battery. What are the symptoms of a bad Power Seat Control Module? Symptoms of a malfunctioning power seat control module might include the seat not moving in one or more directions when the switches are actuated, or the seat not moving at all. On vehicles equipped with seat heaters with controls mounted with the power seat controls, inoperative seat heaters may be a symptom of a faulty control module. Also, in some cases, seat setting memory loss may result from a bad seat control module. Occasionally, a dead battery or a blown fuse can be a symptom of a bad control module as well. Seat Memory Control Module - GM (13517130) List Price: $168.92 You Save: $58.96 (34.90% off) Sale Price: $109.96 Make sure this part fits your car

Checked multiple online GM part sources for the Seat Control Module - most show the Seat Control Module - but none are in stock and are back ordered and GM as no expected release date. So I wait until GM comes through with a release date and a replacement part - not just plug and play, has to be programmed. May be easier to just order a new truck ..............

Have a 2020 Sierra 1500 Denali - Purchased in December 2019 - best GM truck I have owned. First week in February attempted to remote start - nothing; then changed battery in remote - nothing; go out to the cold truck and manually unlocked - totally dead - 3.5 volts; charged overnight with my regular battery charger - amps pegged out on full charge, switched to 2 amp slow charge and pulled 8 amps ??. Left overnight and got in to bring to dealer - DIC showed "Extremely low fuel level" - I thought that maybe I did not turn the truck off and ran all the gas out - got my 6 gal can of premium fuel and topped it off - took 4 gallons ?? Started and took to dealer - fuel warning gone, but CEL on of course. Sat a day at the dealer - they looked at it next day and came up with a dead cell in the battery - replace with new battery and took home to live happily ever after. Used the truck next several days and sat over the weekend. Went to start on Tuesday and dead again - charged on low setting overnight - 5 amps on 2 amp setting ?? - dealer put "analyzer" on the truck and saw a parasitic discharge for a while and then went away. Kept on machine over the weekend and Seat Control Module wanted to communicate 290 times by Monday morning. Ordered Seat Control Module - 2 days later, GM does not have a seat control module in stock and is backordered. GM is now looking around the country for a Seat Control Module .......... I know it "talks" to the Body Control Module (I see a couple of those going bad too) ..... waiting to see if GM can find the Seat Control Module. Have a loaner small SUV from the dealer, but truck is my long distance family visiting machine ............

Not easy to change the starter on the road. If you have driven it for a while it should be fine in the cold Canadian Rockies. If you are still worried, just put the new part number starter on now and have that peace of mind.

When my old non functioning starter was pulled off I checked out the seal very carefully and found it to be very well sealed - the dealer did try an overnight bake out procedure with this starter and it still would not work in very cold conditions. I think that the moisture was sealed in at the factory in Mexico and is causing the problem. If these style starters from Valeo, produced in Mexico have defective seals that allow moisture into the solenoid that would have produced many more failures and on some older trucks too - again, no data, just my guess. I also think that over time any moisture present in the affected starters does diffuse out at the high operation temperature of the starter when on a running engine for a longer time. I would bet that a southern truck with a potential defective starter due to sealed in moisture would not have a problem if driven for a while in the south and then came up north with the frigid conditions that we can have - again, just speculation. I would have loved to have pulled my defective starter apart to check for moisture or grease. My new starter of the same part number has performed flawlessly with many low temperature starts. One owner had a bad ground cable that caused a no start condition - clean up and tighten the ground - start Several owner have had high resistance in positive battery cable to the starter - change cable and - start Some owner have had loose connections at the battery to cause a no start - tighten up and start One owner had a defective battery - change battery - start The dealer can run through these 4 items very quickly and then just put the new part number starter on and DONE and out the door in 4 hours - which is what I did - after the bake out procedure was tried with an overnight stay at the dealer ........... they just need to change the starter and I would have saved a trip to the dealer, the rental car (they paid), back to the dealer, pull the starter, wait 4 hours and then go home ............now happy.

I have had good success with an out of stock old part #12645040 ..........to replace a non working starter of the same part number. This part number is also for 2013 GM trucks and they have not had a problem like we are seeing now with the 2014 GM trucks in the cold north. Only empirical evidence, but sure looks like Valeo did something "different" in their plant to cause this problem for the 2014's. Any process change Valeo made should have gone through PFMEA (Process Failure Mode Effects Analysis), but they may have missed the "high humidity" or "too much grease" conditions that may be the root cause(s) of the non functioning starters. GM must have put Valeo on notice and went after a second supplier of the "redesigned" starter - at great expense to GM, not to mention the wrath that Valeo is probably facing. The frustrating issues is that GM knows the high probability root cause of the non start condition - a truck with a non start condition should be checked at the dealer for 1.Battery condition 2.Proper connection of both battery cables at battery and termination points 3. High resistance of the positive battery cable .....if all is ok here then change the starter to the #12655055 part ...........4 hours DONE (no overnight - duplicate the problem "hokeypokey"), out the door and a better all around situation for the new owner, the dealer and GM. Why are dealers still screwing around with the new owners - GM needs to tell ALL the dealers the proper remedy.

My Sierra again started at 6 deg. F this morning. This is with the out of dealer stock new starter. I took pictures of the old non properly functioning starter and the working replacement starter .....: Photo 3 is the old one and photo 4 is the current installed and working one.

Did you get the bar codes off the ones that failed and the third one that works? I took bar code photo's off my old one and the new one for reference. GM is trying to pin down the time of manufacture of the "freezing" starters. The start part number is the same for 2013's .......so, maybe my Dealer got an older new starter or a newer new starter. GM has provided no guidance on what serial number range are causing the problems ........I did not have a choice, but to put what the Dealer had in stock on and hope for the best - you are right about not getting excited, but this is the first time my truck has started on the first attempt. If it freezes when really cold again, I will get a third starter like you ........... just hoping for the best (that is absolutely a terrible attitude - I want to know that it is FIXED!)

Well what solved your problem?

My 2014 Sierra had a new starter from Dealer stock installed yesterday ..........my truck started for the first time on the first attempt last night at 7 deg. F and it actually started again this morning at 14 deg. F or so on the first attempt also. After trying a "bake out" procedure on the old starter that did not work the Service Manager just put the new starter in .....evidently GM Field Service Engineers are/were advising to NOT just install a new starter - I assume this was because they have not pinpointed the time frame of the defective starter production and just throwing any new starter on may not fix the issue ..........My truck is fixed!!!

Picked up my 2014 Sierra Feb. 5 - was built Sept 2013 ..........I has not started on any day that I have owned it .......... I can fiddle with it, remote, in cab, lock, unlock and after many tries will start. Dealer removed starter and heated inside and reinstalled on my truck the next day ...........took it home and it would not start the next day. After 26 attempts to start today it started by remote on the 27th. Took to dealer after showing him this thread and he replaced the starter. We will see tomorrow morning. The Service Manger was being told by GM field engineers to NOT just replace the starter - try the bake out procedure. Well, I looked at the bad starter and all seals were intact as best I could tell. Valero may have assembled the starter in 80% relative humidity and 80 deg. F, which would lead to condensing moisture in the solenoid portion of the starter ........I can not see how the "baking" process would drive out condensing humidity. GM wants to handle owners on a case by case basis - I disagree and GM should issue a TSB as soon as GM and Valero bracket the offending production dates of the starters and trucks. 2013 Trucks have the same part number starter and have not had this problem that I know of .......... They will get to the bottom of this .........meantime, us cold weather frustrated owners and some good dealers are struggling with this problem ..........will post a start or no start tomorrow with a NEW starter ...........should be 10 deg. F or so ...... I do really like my truck, but it really should start for me to keep liking it ..........good thing I have other vehicles available.