Engine Wire Harness Chafing / IPC Gauges Sweep / IPC Warning Message / SES/Check Engine/MIL / No Start / No Crank / Runs Rough / Stalls / Reduced Engine Power / Various DTCs – 2019-2021 Cadillac Chevrolet GMC

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10224856 Manufacturer Communication Number: 21-NA-149 Summary This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.   Condition 1 This Condition pertains to vehicles equipped with engine 2.7L, L3B only. Some customers may comment on any of the following concerns: – SES MIL – No Start – No … Read more

Particulate Matter Sensor Protection Tube Performance Diagnostic May Set A False DTC P1488 – 2020-2021 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10193477 Manufacturer Communication Number: PIP5748F   Summary This Preliminary information communicates to the technician instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes.     8 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE ESV 2021 CHEVROLET SILVERADO 1500 2021 CHEVROLET SILVERADO 2500 … Read more