Service Brake Assist Message with DTC a C053D or C058E – 2019 Chevrolet Silverado & GMC Sierra 1500

NHTSA ID Number: 10156931

Manufacturer Communication Number: PIT5638B

 

Summary

This Preliminary information communicates an issues with a Service Brake Assist Message With DTC C0021, C05B0 and/or C058E and that engineering released updated calibrations to correct the issue. Hard brake pedal or increased effort is needed and may extend stopping distance. Issue could be caused by an internal software calibration.

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Ticking Noise From The Engine – 2019 Chevrolet Silverado & GMC Sierra 1500

NHTSA ID Number: 10149064

Manufacturer Communication Number: PIP5606

 

Summary

This Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up).  As information comes in the Pi will be updated and when the final repair is out this this PI will be changed to a Bulletin

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Check Engine Light On With DTC P24B3 and / or P24B5 – 2019 Chevrolet Silverado & GMC Sierra

NHTSA ID Number: 10149066

Manufacturer Communication Number: PIP5607

 

Summary

This Preliminary information communicates that GM engineering is investigating the root cause of DTCs P24B3 and / or P24B5 setting.

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Check Engine Light On With P0299 Or P0234 – 2011-2019 Buick & Chevrolet

NHTSA ID Number: 10147384

Manufacturer Communication Number: PIP5495G

 

Summary

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found. The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis to perform, prior to replacing and returning a turbocharger to the WPC.

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SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes – 2014-2018 Cadillac Chevrolet GMC

NHTSA ID Number: 10143438

Manufacturer Communication Number: PIP5498K

 

Summary

This Preliminary information communicates. A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up.

White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.

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