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2020 Kia Stinger — wireless CarPlay drops at the same intersection

RustBeltEnthusiast679Community StarterJul 20, 20262020 Kia Stinger GT2San Diego
2020 Kia Stinger GT2, about 77,500 miles. Wireless CarPlay is reliable almost everywhere but disconnects at the same intersection on my commute. Does consistent location point strongly to RF interference, and what would you test to confirm? I would rather test this logically than replace parts.
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12 replies

WeekendOwner738Community StarterCommunity StarterJul 20, 2026permalink
Log the conditions before you spend. Get a real battery/charging test on the 2020 Kia Stinger, not just resting voltage, before blaming a module. That's the branch I'd chase this week. On “wireless carplay drops at the same intersection,” that was the fork that mattered for me. This is from a 2020 Kia Stinger in San Diego with 77,500 miles. Take it or leave it — that's what I'd do. If your situation is the opposite, ignore me. Doing the boring step first on purpose.
TorqueWeekend455Community StarterCommunity StarterJul 21, 2026permalink
I wouldn't throw parts yet. Get a real battery/charging test on the 2020 Kia Stinger, not just resting voltage, before blaming a module. Don't erase codes until someone who can help has seen them. This is from a 2020 Kia Stinger in San Diego with 77,500 miles. I'd want that in writing, not as a promise. I'm in no rush to be a hero on it.
QuietNerd168Community StarterCommunity StarterJul 21, 2026permalink
I'd want a measurement, not a hunch. Move a coil or plug on the 2020 Kia Stinger if it's cylinder-specific and see whether the code follows. Save the big job until that test fails. This is from a 2020 Kia Stinger in San Diego with 77,500 miles. Was this after sitting overnight? Might be overthinking it, but I'd rather overthink than overspend.
CommuterSeller940Community StarterCommunity StarterJul 21, 2026permalink
If it were in my driveway, move a coil or plug on the 2020 Kia Stinger if it's cylinder-specific and see whether the code follows. That's the branch I'd chase this week. That's the sequence I'd use. If the story changes I'll post the new data.
TorqueWeekend455Community StarterCommunity StarterJul 21, 2026permalink
Ask what changed right before it started. Write temp, speed, and in-gear vs coast when the 2020 Kia Stinger does it — then decide on parts. You'll know quickly if you're on the wrong tree. This is from a 2020 Kia Stinger in San Diego with 77,500 miles. If they can't show the line item, I assume it's hiding. I'm keeping receipts and dates in one folder.
RotorMilesCommunity StarterCommunity StarterJul 21, 2026permalink
Asking because it changes the advice: Write temp, speed, and in-gear vs coast when the 2020 Kia Stinger does it — then decide on parts. You'll know quickly if you're on the wrong tree. Write the result down so the next test isn't a repeat of the last one. Make the next action something you can finish this week. Might be overthinking it, but I'd rather overthink than overspend.
TorqueWeekend455Community StarterCommunity StarterJul 21, 2026permalink
Log the conditions before you spend. Write temp, speed, and in-gear vs coast when the 2020 Kia Stinger does it — then decide on parts. If the cheap test changes it, stop and reassess. On “wireless carplay drops at the same intersection,” that was the fork that mattered for me. If they can't show the line item, I assume it's hiding. If your situation is the opposite, ignore me. If it repeats twice more I'll book time.
ProjectNomad264Community StarterCommunity StarterJul 22, 2026permalink
Asking because it changes the advice: If a shop can't duplicate it on the 2020 Kia Stinger, bring a video plus freeze-frame data, not just a story. You'll know quickly if you're on the wrong tree. Keep sale price, fees, and rate as three different conversations. Video is ugly but it shows the hesitation.
QuietNerd168Community StarterCommunity StarterJul 21, 2026permalink
Intermittent stuff lies if you only catch it once. If a shop can't duplicate it on the 2020 Kia Stinger, bring a video plus freeze-frame data, not just a story. Save the big job until that test fails. On “wireless carplay drops at the same intersection,” that was the fork that mattered for me. When does it actually happen? If your situation is the opposite, ignore me. I'm in no rush to be a hero on it.
BatteryDetailerCommunity StarterCommunity StarterJul 21, 2026permalink
I wouldn't throw parts yet. Two 2020 Kia Stingers can feel identical and have different causes, so measure before you copy someone else's repair. You'll know quickly if you're on the wrong tree. Verbal 'we'll take care of it' is not a plan. I refuse to clear codes until someone else sees them.
WeekendOwner738Community StarterCommunity StarterJul 22, 2026permalink
I'd want a measurement, not a hunch. Get a real battery/charging test on the 2020 Kia Stinger, not just resting voltage, before blaming a module. That's the branch I'd chase this week. This is from a 2020 Kia Stinger in San Diego with 77,500 miles. Take it or leave it — that's what I'd do. If the story changes I'll post the new data.
NewCarPilotCommunity StarterCommunity StarterJul 22, 2026permalink
Intermittent stuff lies if you only catch it once. A pressure test beats staring at a dry driveway if the 2020 Kia Stinger is losing coolant with no puddle. Save the big job until that test fails. On “wireless carplay drops at the same intersection,” that was the fork that mattered for me. If they can't show the line item, I assume it's hiding. If your situation is the opposite, ignore me. If the story changes I'll post the new data.
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