HD Radio Signal Cuts In and Out, Skips, or Drops Out – 2013-2015 Buick Cadillac Chevrolet & GMC

2015 Chevrolet Silverado

NHTSA ID Number: 10114387 Manufacturer Communication Number: PIC5854D   Summary This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Advise this is normal operation when listening to a weak AM or FM … Read more

Unwanted Activation Of Hazard Flashers or Glove Box Opening After Vehicle Is Shut Down – 2014 Cadillac CTS XTS

2014 Cadillac CTS

NHTSA ID Number: 10114347 Manufacturer Communication Number: PIC5936D   Summary This Preliminary Information communication provides information to the technician about vehicles that may have the Hazard Flashers turn on after vehicle shut down or that the Glove Box may be open when they return to their vehicle. Technician should replace the Hazard Switch and/or Glove Box Switch … Read more

Cooling System Contaminated With Engine Oil – 2010-2021 Buick Cadillac Chevrolet GMC

2020 Buick Enclave

NHTSA ID Number: 10198879 Manufacturer Communication Number: 21NA108   Summary This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil.     Condition Engine is overheating. One or more of the following conditions: Oil in the coolant overflow reservoir Coolant discharging from the coolant reservoir … Read more

P00C6 P228C Diagnostic Assistance – 2010-2015 Buick Cadillac Chevrolet GMC

2015 Chevrolet Camaro

NHTSA ID Number: 10114546 Manufacturer Communication Number: PIP5209C   Summary This Preliminary Information communication advises the technician to follow this Preliminary Information if there is a diagnostic trouble code P00C6 and or P228C set and normal Service Information diagnostics didn’t lead to a repair. Technician is to recheck the terminals at the Engine Control module for fit … Read more

Information on Clicking/Ticking Sound/Noise Heard During Cold Start – 2008-2017 Buick Cadillac Chevrolet GMC Saturn

2017 Chevrolet Camaro

NHTSA ID Number: 10116587 Manufacturer Communication Number: 07-06-04-025L   Summary This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic.   Clicking/Ticking Sound/Noise Heard During Cold Start This is normal operation of the high pressure fuel pump and injectors. DO NOT replace the high pressure fuel … Read more