05-05-2024, 03:06 PM | #1 |
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G29 Retractable Top Error Message
Hello everyone,
Reaching out for help on my '22 G29 M40i... Recently I had my battery drain out by accidentally leaving an amplifier I was testing out. After getting the battery charged and the car running again, I ended up having to reset the vehicle data and clear some fault codes. Everything is working fine and no other changes from before this incident except my convertible top (iDrive reads something like: !Retractable Top-Unable to determine if locked) also pulled BDC codes D91F44 & D91742 regarding CAN bus for convertible top. I attempted manually opening and closing the latch in hopes of resetting the sensor, unplug/plugging connectors, clearing all faults, etc. The manual insinuates there are both front and back locks in the section where it talks about manually closing the top, to paraphrase "if you are only able to lock the front..." Also there are some BDC fuses (F1-F5) in the front pass footwell, but short of removing the front seat and carpeting they are nearly impossible to access and I'm not so sure that's the culprit yet. Does anyone have a solution? Or have experience with these codes/issue ... Any input or advice would be greatly appreciated!!! THANK YOU |
05-05-2024, 03:07 PM | #2 |
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A '22 car should still be under warranty, no? Go get it fixed at the dealer.
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Westside Guy5958.50 |
05-05-2024, 04:09 PM | #3 | |
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I’ve yet to have an issue I’ve been unable to address, but sometimes for more niche issues it’s difficult to find quick answers |
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05-05-2024, 04:56 PM | #4 |
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05-06-2024, 07:28 AM | #5 |
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If the problem was caused by your action of draining the battery, I’m not sure it will be covered by warranty. At least it probably wouldn’t be here, I don’t know about USA.
Maybe you need a cover story if you go to the dealer for a warranty claim. |
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Entitled Prick78.00 |
05-06-2024, 07:55 AM | #6 |
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It’s entirely up to what the solution actually is. Right now it’s a matter of diagnosing the problem and if I’m unable to do that, then I’ll have to bring it to the dealer.
At worst it could need a new module, in which case the price alone might justify using warranty. But replacement itself of whatever faulty component would be light work (although tedious 😅. I’ve already been behind just about every panel in the car installing a custom sound system |
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05-06-2024, 08:19 AM | #7 | |
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When you dig past the surface codes, it showed that the battery became degraded, jumpstart had occurred, and a number of others that logged the event. They all cleared successfully with the exception of the two convertible top CAN bus codes. I have a good relationship with my dealer, bought two vehicles from them and hold a commercial parts account. Despite that, I’m nervous to bring it in because I’ve upgraded the heat exchanger and transmission cooler w/ radiator flap delete, intake, chargepipe, high flow downpipe, full exhaust, suspension, ignition coils replaced the entire sound system, plus running a JB4 even if it is just a piggyback. Idk how that jives with warranty 🧐 and this is possibly a minor issue … I do all my own work at my shop, just stuck on diagnosing the issue |
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StanDiego6299.50 Wynnsiensheng900.50 |
05-07-2024, 05:04 AM | #8 |
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Far too technical for me 😂
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Westside Guy5958.50 |
05-07-2024, 07:16 AM | #9 | |
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