Various Electrical Concerns (Inspect UBEC Bolts For Being Loose) – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10178357 Manufacturer Communication Number: PIT5756   Summary This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: – No crank – No start – Starter grinds or reengages after engine running – Headlights flicker or flash – SES MIL – IPC gauges …

Read more

SES MIL / No Start / Stall / DTCs P16A7 P16AF – 2019 Chevrolet Silverado & GMC Sierra 1500

2019 Chevrolet Silverado

NHTSA ID Number: 10161028 Manufacturer Communication Number: PIT5687 Summary This Preliminary information communicates some diagnostic tips to inspect for no/low voltage at the ECM for a customers complaints of a SES MIL, Crank No Start, stalling DTC’s: P16A7 and/or P16AF.   Condition Customers may comment on a SES MIL, Crank No Start, and/or stalling concern. When checking for …

Read more

SES MIL / Service Suspension System / ABS MIL / No Crank / Misfire / A/C Inoperative (Inspect Engine Harness Chaffing At Vacuum Pump Pulley) – 2014-2016 Cadillac Chevrolet & GMC

2016 Chevrolet Suburban

  NHTSA ID Number: 10083249 Manufacturer Communication Number: PIT5307D   Summary THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP, ANTILOCK BRAKING SYSTEM MALFUNCTION INDICATOR LAMP, SERVICE SUSPENSION SYSTEM MESSAGE, MISFIRE, HESITATION, NO CRANK, HEATER-VENT-AIR CONDITIONING INOPERATIVE. TECHNICIAN MAY FIND F11UA, F104UA, F35UA, AND OR …

Read more