Diagnostic Tip – Service Driver Assist Message – 2014-2017 Cadillac Chevrolet GMC

2017 Cadillac Escalade

NHTSA ID Number: 10083360 Manufacturer Communication Number: PIT5445A   Summary THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN OF ADDITION INFORMATION WHEN DIAGNOSING A SERVICE DRIVER ASSIST MESSAGE WITH A DIAGNOSTIC TROUBLE CODE B172E AND OR A B172F. THE HAPTIC SEAT MOTOR HAS A PIGTAIL LEAD COMING OFF OF IT. IN MANY CASES THE WIRING PIGTAIL … Read more

MIL Illuminated, DTC P16F3 with Engine Power is Reduced Message Displayed in DIC – 2014 Chevrolet Corvette

2014 Chevrolet Corvette

NHTSA ID Number: 10137224 Manufacturer Communication Number: PI1532A Summary This preliminary informational bulletin provides repair information on Engine Control Module (ECM)reprogramming to correct a customer concern of MIL illuminated, DTC P16F3 with “Engine Power is Reduced” message displayed in the DIC   1 Affected Product Vehicle MAKE MODEL YEAR CHEVROLET CORVETTE 2014     SEOCONTENT-START Bulletin No.: … Read more

Diagnosing Suspension And Rear End Sway – 2007-2016 Buick Chevrolet GMC Saturn

2016 Chevrolet Traverse

NHTSA ID Number: 10127185 Manufacturer Communication Number: PIT5139C   Summary This Preliminary Information communication provides information to the technician about vehicles that the rear end has a sway feeling in the rear while switching lanes at highway speeds. Technician should follow all published Service Information diagnostics for the concern. Also inspect the rear suspension components for signs … Read more

Cold Start Misfires – 2014-2016 Cadillac Chevrolet GMC

2016 Chevrolet Corvette

NHTSA ID Number: 10127175 Manufacturer Communication Number: PIP5323 Summary This Preliminary Information communication provides information to the technician about vehicles with misfires or roughness on cold start up. Technician may find a Diagnostic Trouble Code P0300 stored. Technician will add coolant dye to the system, run engine through warm up, pressurize the cooling system on a cold … Read more

Speedometer Goes Blank or Trip Odometer Does Not Increase – 2015 Chevrolet Sonic, Trax

2015 Chevrolet Sonic

NHTSA ID Number: 10113816 Manufacturer Communication Number: PI1530 Summary This preliminary informational bulletin provides repair information on instrument cluster reprogramming to correct a customer concern that the speedometer goes blank or trip odometer does not increase.   Condition/Concern Some customers may comment that the speedometer goes blank or trip odometer does not increase. This condition may be … Read more