U3018

SES MIL / AC Blows Warm Air / Fuse F4DR Open / DTC B1AA3 U3018 U3505 – 2021-2022 Cadillac Chevrolet GMC

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2022 Chevrolet Suburban

NHTSA ID Number: 10204460 Manufacturer Communication Number: PIT5869   Summary This Preliminary information communicates an issues with an SES MIL, A/C blowing warm air and DTC’s B1AA3 U3018 U3505 due to Fuse F4DR open.  Dealers are to inspect the wiring in the front floor console.     12 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021-2022 CADILLAC … Read more

Service Theft Deterrent System / SES MIL / Fuse F49DR Open / DTCs B113C, B13AC, B1AC3, B195D, B195E, U3018, U3501 – 2021 Cadillac Chevrolet GMC

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2021 Chevrolet Tahoe

NHTSA ID Number: 10184128 Manufacturer Communication Number: PIT5800 Summary This Preliminary information communicates and issues with Fuse F49 blowing causing a SES MIL and a Service Theft Deterrent System message displayed in the DIC.  It instructions dealership to inspect the 12 volt power accessory port for shorting out.     SEOCONTENT-START Bulletin No.: PIT5800 Published date: 11/19/2020 Preliminary Information PIT5800 … Read more