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

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

16195 Service Update – Brake Lamps Remain Activated – 2017 Cadillac XT5 & GMC Acadia

2017 GMC Acadia

NHTSA ID Number: 10130558 Manufacturer Communication Number: GCUS-3-821 Summary 16195-01 – Service Update (Service Procedure Revised). Certain vehicles may have a brake pedal position sensor (BPPS) flag bracket which allows too much rotation, causing the BPPS sensor to indicate the brake pedal is applied. This could cause the brake lamps to stay on, which could impair the … Read more

Special Coverage Adjustment 16087 Hazard Warning Flashers Activation – 2013-2014 Cadillac XTS

2014 Cadillac XTS

NHTSA ID Number: 10125992 Manufacturer Communication Number: GCUS-9-3216 Summary 16087 Special Coverage. On some vehicles, the hazard flashers may turn on after the vehicle is shut down and/or they may turn on while driving. If the hazard flashers turn on after the vehicle is shut down and left unattended for a long period of time, the battery … Read more

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

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

Poor A/C Performance During High Ambient Temperatures (New A/C Refrigerant Charge Amount) – 2015 Cadillac Chevrolet GMC

2015 Chevrolet Tahoe

NHTSA ID Number: 10112242 Manufacturer Communication Number: PIT5292B Summary This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Technician will need to check the refrigerant charge and record the recovered amount on the repair order. Technician should recharge the system if … Read more