Duramax Intermittent High Idle Or Elevated Idle Descriptions – 2010-2016 Chevrolet & GMC

2016 Chevrolet Silverado 3500

NHTSA ID Number: 10111705 Manufacturer Communication Number: PIP4912E   Summary This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle speed description tables, the idle speed should be considered a normal characteristic … Read more

Rear View Camera System Calibration – 2017 Chevrolet Silverado & GMC Sierra

2017 Chevrolet Silverado

NHTSA ID Number: 10113384 Manufacturer Communication Number: GCUS-3-850   Summary 17065 – Service Update. When certain vehicles, equipped with base body or chassis (RPO ZW9) and without rear vision camera ready (RPO 5F9) are shifted into reverse, the installed calibration is looking for a camera input that was not part of the requested truck build and “Service … Read more

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

Engine Stays Running After Ignition Key Turned Off – 2014-2015 Chevrolet & GMC

2015 Chevrolet Silverado

NHTSA ID Number: 10112253 Manufacturer Communication Number: PIT5327 Summary This Preliminary Information communication provides information to the technician about vehicles that continue to running after the engine is shut off. Technician should check for fuses installed into F26UA and F31UA. If fuses are found in any of the two locations the fuses must be removed.   Condition/Concern … Read more