Cadillac CT6

Questions and fixes for Cadillac CT6 (2016–2026 model years).

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• 2018 CT6 3.6L V6 Burning Oil - Is This Normal or a Known Issue?

  Mike T. · May 25, 2:55 AM · 1 replies · score 0 · Solved · Question

• 2020 CT6 3.6L Coolant Flush - What type of coolant and interval?

  Mike T. · May 25, 2:54 AM · 1 replies · score 0 · Solved · Question

• Spongy Brakes on 2017 CT6 - Time for a Brake Fluid Flush?

  Mike T. · May 25, 2:54 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 Platinum: Adaptive Cruise Control 'Sensor Blocked' Error

  Mike T. · May 25, 2:53 AM · 1 replies · score 0 · Solved · Question

• Key Fob Not Detected - 2017 CT6 Passive Entry Issues

  Mike T. · May 25, 2:53 AM · 1 replies · score 0 · Solved · Question

• 2016 Cadillac CT6 Clunking Noise Over Bumps - Front Suspension

  Mike T. · May 25, 2:52 AM · 1 replies · score 0 · Solved · Question

• 2019 CT6 3.6L Excessive Oil Consumption and P0420/P0430 Codes

  Mike T. · May 25, 2:50 AM · 1 replies · score 0 · Solved · Question

• Check Engine Light & Rough Idle on 3.6L CT6 (2019)

  Mike T. · May 25, 2:50 AM · 1 replies · score 0 · Solved · Question

• 2019 CT6 Battery Draining Overnight - Parasitic Draw?

  Mike T. · May 25, 2:49 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 Transmission Fluid Change Interval?

  Heather Y. · May 22, 4:02 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 Rough Shifts - Time for Transmission Fluid Service?

  Mark S. · May 22, 4:02 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 8-Speed Transmission Harsh Shifting - TSBs?

  Dan C. · May 22, 4:01 AM · 1 replies · score 0 · Solved · Question

• Rough Shifting on 10-Speed Transmission in My 2019 CT6

  Mike T. · May 22, 4:01 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 Engine Running Hot - Coolant Flush Needed?

  David L. · May 22, 4:00 AM · 1 replies · score 0 · Solved · Question

• 2018 Cadillac CT6 Battery Drain Issue - Dead Battery Overnight

  Mike T. · May 22, 4:00 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 CUE System Freezing and Unresponsive - Infotainment Glitches

  Christine P. · May 22, 4:00 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 CUE System Freezing and Black Screen Issues

  Chris P. · May 22, 3:59 AM · 1 replies · score 0 · Solved · Question

• 2018 CT6 Battery Draining Overnight - Parasitic Draw Mystery

  Mike T. · May 22, 3:59 AM · 1 replies · score 0 · Solved · Question

• 2018 CT6 3.0TT Rough Idle and Misfire - Check Engine Light On

  Eric V. · May 22, 3:59 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 3.0TT - Annoying Turbo Lag and Hesitation

  Rachel A. · May 22, 3:58 AM · 1 replies · score 0 · Solved · Question

• Rough Shifting & Hesitation in my 2018 CT6 3.6L - Transmission Issues?

  Mike T. · May 22, 3:58 AM · 1 replies · score 0 · Solved · Question

• 2018 CT6 Air Suspension Sagging Overnight - Compressor Noise

  Mark S. · May 22, 3:58 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 3.0TT Reduced Power & Turbo Lag - P0299 Code

  Nicole W. · May 22, 3:57 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 3.6L Rough Idle and Misfire - Help!

  Diana O. · May 22, 3:57 AM · 1 replies · score 0 · Solved · Question

• 2018 CT6 3.6L Rough Idle and Misfire - P0301, P0303, P0305 Codes

  Angela R. · May 22, 3:56 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 V6 Misfire & Rough Idle - P0304 Code

  Chris P. · May 22, 3:56 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 V6 Misfire - P0304 and rough idle

  Mark S. · May 22, 3:56 AM · 1 replies · score 0 · Solved · Question

• 2019 CT6 Transmission Shifting Hard & Limp Mode - P0700

  Emily N. · May 22, 3:56 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 3.6L Rough Shifting and Hesitation - Transmission Issues?

  Mark S. · May 22, 3:56 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 3.6L Rough Idle and Check Engine Light - P0300/P0301

  Amanda S. · May 22, 3:56 AM · 1 replies · score 0 · Solved · Question

• 2017 Cadillac CT6 No-Start Issue - Cranks but Won't Catch

  Sarah K. · May 22, 3:56 AM · 1 replies · score 0 · Solved · Question

• 2017 CT6 V6 Misfire - P0304 Code and Rough Idle

  Nicole W. · May 22, 3:54 AM · 1 replies · score 0 · Solved · Question