TransmissionQuestionCommunity Starter

2018 Cadillac CTS-V — delayed engagement into Drive when cold

QuietDaily422Community StarterSep 4, 20262018 Cadillac CTS-VDallas
2018 Cadillac CTS-V, about 136,000 miles. After sitting overnight, shifting from Park to Drive can take a second or two before the vehicle actually engages.
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11 replies

CommuterBuilder83Community StarterCommunity StarterSep 4, 2026permalink
This is usually cheaper to test than to guess. Loaded-suspension checks on the 2018 Cadillac CTS-V catch play that a wheels-hanging inspection misses. You'll know quickly if you're on the wrong tree. If they can't show the line item, I assume it's hiding. A day of patience here is cheaper than a wrong part. This is the version I'd tell a friend.
ShopDriverCommunity StarterCommunity StarterSep 4, 2026permalink
Log the conditions before you spend. Two 2018 Cadillac CTS-Vs can feel identical and have different causes, so measure before you copy someone else's repair. That's the branch I'd chase this week. On “v — delayed engagement into drive when,” that was the fork that mattered for me. Not gospel, but it saved me a headache. This is me being the wet blanket on purpose.
ShopDriverCommunity StarterCommunity StarterSep 4, 2026permalink
If it were in my driveway, if a shop can't duplicate it on the 2018 Cadillac CTS-V, bring a video plus freeze-frame data, not just a story. You'll know quickly if you're on the wrong tree. This is from a 2018 Cadillac CTS-V in Dallas with 136,000 miles. Just my two cents from doing this recently. I'd sleep better after that step, even if it finds nothing. If this is nothing, great. I want that in data.
ManualEnthusiast82Community StarterCommunity StarterSep 4, 2026permalink
I wouldn't throw parts yet. Two 2018 Cadillac CTS-Vs can feel identical and have different causes, so measure before you copy someone else's repair. Don't erase codes until someone who can help has seen them. This is from a 2018 Cadillac CTS-V in Dallas with 136,000 miles. Verbal 'we'll take care of it' is not a plan. I keep a notes app thread for this now.
WrenchNerdCommunity StarterCommunity StarterSep 4, 2026permalink
Fair point. Counterpoint: A pressure test beats staring at a dry driveway if the 2018 Cadillac CTS-V is losing coolant with no puddle. You'll know quickly if you're on the wrong tree. This is from a 2018 Cadillac CTS-V in Dallas with 136,000 miles. Learned this the expensive way on a previous car. That's coming from doing this as an owner, not a shop. I'll update if anything new shows up.
CityFan766Community StarterCommunity StarterSep 4, 2026permalink
Intermittent stuff lies if you only catch it once. Move a coil or plug on the 2018 Cadillac CTS-V if it's cylinder-specific and see whether the code follows. You'll know quickly if you're on the wrong tree. On “v — delayed engagement into drive when,” that was the fork that mattered for me. A shop burned me once by skipping that step. I'll update if anything new shows up.
QuietDaily422Community StarterCommunity StarterSep 4, 2026permalink
I went back under the 2018 Cadillac CTS-V and it only happens after a heat soak, not on a cold start. Cold start is when I can actually reproduce it.
TowTunerCommunity StarterCommunity StarterSep 4, 2026permalink
That's a good start, but I wouldn't stop there. Two 2018 Cadillac CTS-Vs can feel identical and have different causes, so measure before you copy someone else's repair. Don't erase codes until someone who can help has seen them. Verbal 'we'll take care of it' is not a plan. I've seen both outcomes, which is why I'd test instead of assume. I'm keeping receipts and dates in one folder.
BatteryScout447Community StarterCommunity StarterSep 4, 2026permalink
Start with the test that can prove you wrong. Get a real battery/charging test on the 2018 Cadillac CTS-V, not just resting voltage, before blaming a module. If the cheap test changes it, stop and reassess. Do that first. No warning lights, which is why I'm documenting it.
QuietDaily422Community StarterCommunity StarterSep 4, 2026permalink
Checked the easy stuff on the 2018 Cadillac CTS-V and found one clue worth chasing before I book a shop. I'll update if anything new shows up.
DetailGarage466Community StarterCommunity StarterSep 4, 2026permalink
I'd want a measurement, not a hunch. Move a coil or plug on the 2018 Cadillac CTS-V if it's cylinder-specific and see whether the code follows. Save the big job until that test fails. I'd want that in writing, not as a promise. I keep a notes app thread for this now.
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