Diagnostic Tips

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

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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

Whistle Noise From Inside Vehicle – 2014-2019 Cadillac, Chevrolet & GMC

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2019 Chevrolet Suburban

NHTSA ID Number: 10151830 Manufacturer Communication Number: PIT5272B Summary This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on the left or right side A-pillar. Technician should also inspect … Read more

No Crank And/Or Click No Crank – 2014-2015 Chevrolet & GMC

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2015 Chevrolet Suburban

NHTSA ID Number: 10112241 Manufacturer Communication Number: PIT5266C Summary This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Technician will need to check the battery voltage while trying to crank the engine. Replace the battery if it … Read more

Intermittent Theft Deterrent Alarm or Horn or Hood Ajar Message – 2013 Chevrolet Equinox & GMC Terrain

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2013 Chevrolet Equinox

NHTSA ID Number: 10062880 Manufacturer Communication Number: PIT5176B Summary This Preliminary Information communication provides information to the technician about vehicles that may have an intermittent “Hood Open” message displayed on the Driver Information Center, intermittent theft deterrent alarm or horn activation, and intermittent remote vehicle start event. Technician will need to replace the hood latch assembly if … Read more

Intermittent Map Disc Read Error – 2012 Buick Chevrolet GMC

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2012 Buick Enclave

NHTSA ID Number: 10111822 Manufacturer Communication Number: PIT5157B Summary This Preliminary Information communication provides information to the technician about vehicles that may have intermittent map disc read error when using the navigation radio. Technician will need to inspect the Map Disc for scratches. If the disc has a ring on the outside area the disc and radio … Read more