Diagnostic Tips

Service Keyless Entry Message DTC B3124 – 2012-2016 Chevrolet Cruze

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2016 Chevrolet Cruze Limited

NHTSA ID Number: 10113296 Manufacturer Communication Number: PIC6149A Summary This Preliminary Information communication provides information to the technician about an intermittent concern for Service KeylessStart message displayed in the Driver Information Center. Technician may find a Diagnostic Trouble Code B3124. Technician should inspect the trunk area for objects that may block the reception of the Rear Compartment … Read more

Perceived Brake Fluid Leak At Caliper Piston Boot – 2014-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10185734 Manufacturer Communication Number: PIT5479D   Summary This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the … Read more

Malfunction Indicator Lamp On – Check Engine Light, DTCs P0011, P0014, P0021, P0024, P0341, P0346, P0366 or P0391 Set (Check Camshaft End Play and Perform Action as Outlined) – 2007-2010 Buick Cadillac Chevrolet GMC Pontiac Saturn

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2010 Chevrolet Camaro

NHTSA ID Number: 10089226 Manufacturer Communication Number: 08-06-01-011K   Summary THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO PERFORM VARIOUS CHECKS AND REPAIRS TO CORRECT A CUSTOMER OF MALFUNCTION INDICATOR LAMP ON AND DTCS SET.   51 Affected Products Vehicles BUICK BUICK 9999 BUICK ENCLAVE 2008-2010 BUICK LACROSSE 2007-2010 CADILLAC CTS 2007-2008, 2010 CADILLAC SRX 2008-2010 CADILLAC STS … Read more

Squeak Chirp Whistle Rattle Type Noise from Rear of Vehicle (Passive Exhaust Valve) or Buffeting Vibration Drone Exhaust Tone Change Body Pressure Booming (AFM Exhaust) – 2014-2017 Cadillac Chevrolet & GMC

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2017 Cadillac Escalade

NHTSA ID Number: 10184134 Manufacturer Communication Number: PIT5404G   Summary This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming.  Replace or repair any of the issue that was found in the inspection. If … Read more

Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D – 2012-2018 Cadillac Chevrolet GMC

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2018 Cadillac Escalade

NHTSA ID Number: 10123219 Manufacturer Communication Number: PIT5206F Summary This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages “ Brake Pedal Override Feature “, transmission busy or frequent shifting up or down, and Diagnostic … Read more