Musty Odor from HVAC Vents on Startup – 2013-2016 Cadillac ATS & 2014-2016 Cadillac CTS Sedan

2016 Cadillac ATS

NHTSA ID Number: 10134600 Manufacturer Communication Number: PI1408E   Summary This preliminary informational bulletin provides a procedure to install a ionizer, clean evaporator and inspect the drain tube on vehicles that exhibit a condition of a musty odor from the HVAC vents on start up. This preliminary informational bulletin provides a revision of PI1408C to update information …

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