Suburban

Intermittently Service Front Camera Message With DTCs U023A and/or U026A – 2016 Cadillac Chevrolet GMC

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2016 Cadillac CT6

NHTSA ID Number: 10096225 Manufacturer Communication Number: PIT5482B Summary THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A “SERVICE FRONT CAMERA” MESSAGE ON THE DRIVER INFORMATION CENTER INTERMITTENTLY. WHEN THE TECHNICIAN USES THE SCAN TOOL TO CHECK FOR DIAGNOSTIC TROUBLE CODES A HISTORY U023A AND/OR U026A MAY BE SET IN THE … Read more

Faint High Pitched Whine Noise In Auto 4 Wheel Drive – 2014-2017 Chevrolet GMC Cadillac

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2017 Chevrolet Silverado

NHTSA ID Number: 10096054 Manufacturer Communication Number: PIP5261A Summary THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. WHEN THE TRANSFER CASE CONTROL MODULE HAS TO MOVE THE TRANSFER CASE ACTUATOR MOTOR THE HIGHER CURRENT PASSING THROUGH THE … Read more

Diagnostic Tip – Diesel Exhaust Fluid System Contamination – 2010-2023 Chevrolet & GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10222781 Manufacturer Communication Number: 19-NA-237 Summary This informational bulletin explains how to identify possible DEF contamination.   Condition Some customers may comment on one or more of the following conditions: Exhaust fluid quality poor message on the Driver Information Center (DIC). Diesel exhaust fluid warning lamp on. Other exhaust fluid quality related concerns.   … Read more

Service Update 28770 4WD IPS Drift DTC C0398 – 4HI Lock-Up – 2015-2016 Cadillac Chevrolet GMC

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2016 Chevrolet Suburban

NHTSA ID Number: 10130547 Manufacturer Communication Number: GCUS-3-804   Summary 28770 – SUB A “Service 4WD” message may be displayed on the Driver Information Center and DTC C0398 may be set. Concurrently, the vehicle is permanently locked in 4HI and cannot be shifted shift out of it while the code is present. If the code is cleared, … Read more

Normal Characteristic – No Remote Detected / Place Key in Transmitter Pocket / Press Brake To Restart DIC Messages – 2015 Cadillac Chevrolet GMC

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2015 Chevrolet Suburban

NHTSA ID Number: 10125987 Manufacturer Communication Number: PIT5300 Summary This Preliminary Information communication provides information to the technician about vehicle that may have a “No Remote Detected” message will display on the DIC and the engine will not crank or while trying to shut the vehicle off, a “No Remote Detected Press Brake To Restart” message will … Read more