Diagnostic Tips

Intermittent Communications Concerns – Possible Multiple MIL’s on U0073 or Multiple U-Codes Stored – 2016-2021 Chevrolet Colorado & GMC Canyon

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2019 Chevrolet Colorado

NHTSA ID Number: 10185721 Manufacturer Communication Number: PIT5626C   Summary This Preliminary information communicates the potential for a wire chafe to cause intermittent communications concerns and multiple MIL’s on in the IPC.   12 Affected Product Vehicles MAKE MODEL YEAR CHEVROLET COLORADO 2016-2021 GMC CANYON 2016-2021     SEOCONTENT-START   Bulletin No.: PIT5626C Published date: 12/9/2020 Preliminary … Read more

Service Front Camera / Service Lane Departure Warning / Service Lane Keep Assist Message with DTC B1008 SYM4B / IntelliBeam Headlight / Windshield Wind Rush Noise – 2014-2019 Buick Cadillac Chevrolet GMC

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2019 Chevrolet Silverado

NHTSA ID Number: 10163657 Manufacturer Communication Number: PIT5535D Summary This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not … Read more

MIL / SES Lamp On After Engine Repairs, P0016 Set and Rough Idle – 2017-2020 Chevrolet Colorado & GMC Canyon

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2020 Chevrolet Colorado

NHTSA ID Number: 10163660 Manufacturer Communication Number: PIP5571A Summary This Preliminary information communicates a possible concern of two connectors being swapped during a repair causing a P0016 code to set.   8 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET COLORADO 2017-2020 GMC CANYON 2017-2020     SEOCONTENT-START Bulletin No.: PIP5571A Published date: N/A Preliminary Information PIP5571A MIL … Read more

6.0L L96 Low Oil Pressure And/Or P0521 – 2019 Chevrolet & GMC

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2019 Chevrolet Silverado

NHTSA ID Number: 10163661 Manufacturer Communication Number: PIP5630A Summary This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the relief valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.  If bearings are OK Then … Read more

MIL Illuminated Possible Reduced Engine Power Message with DTC P2101 and/or P1516 Set as Current or History – 2019 Cadillac Chevrolet GMC

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2019 Chevrolet Silverado 1500

NHTSA ID Number: 10163663 Manufacturer Communication Number: PIP5660 Summary This Preliminary information communicates the possibility of a reduced power message with dtc p2101 and/or p1516 due to potential throttle body issue.   3 Affected Products Vehicles MAKE MODEL YEAR CADILLAC XT4 2019 CHEVROLET SILVERADO 1500 2019 GMC SIERRA 1500 2019     SEOCONTENT-START Bulletin No.: PIP5660 Published … Read more