# Service bulletin 19NA193

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10171894
- Published by NHTSA: 2020\-03\-02
- Manufacturer's number: 19NA193
- Manufacturer's date: 2020\-01\-14
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off When Connected to the Single Port USB Hub.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171894-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171894-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2019 CHEVROLET CORVETTE
- 2018 to 2019 CHEVROLET IMPALA
- 2018 CHEVROLET SILVERADO 1500
- 2018 to 2020 CHEVROLET SUBURBAN
- 2018 to 2020 CHEVROLET TAHOE
- 2018 to 2019 CHEVROLET TRAVERSE
- 2018 GMC SIERRA 1500
- 2018 to 2020 GMC YUKON
- 2018 to 2020 GMC YUKON XL

## Recalls for the same vehicles and component

- [2024294](/recalls/tc/2024294.md), 2024-05-24: Electrical
- [2021407](/recalls/tc/2021407.md), 2021-07-01: Electrical
- [2019325](/recalls/tc/2019325.md), 2019-06-28: Electrical
- [2019204](/recalls/tc/2019204.md), 2019-04-26: Electrical

## Other bulletins for the same vehicles and component

- [23\-NA\-170](/bulletins/11024486.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- [18\-NA\-180](/bulletins/11024324.md), 2025-10-16, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [18\-NA\-180](/bulletins/11023365.md), 2025-09-26, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [24\-NA\-229](/bulletins/11019017.md), 2025-06-03, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
- [25\-NA\-087](/bulletins/11017595.md), 2025-05-02, Service bulletin: ELECTRICAL SYSTEM. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- [21\-NA\-139](/bulletins/11017443.md), 2025-05-01, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp \(MIL\) Illuminated \- DTC P3055 Set.
- [23\-NA\-185](/bulletins/11017255.md), 2025-04-28, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; STEERING. This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases \- Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
- [13\-08\-116\-001K](/bulletins/11017244.md), 2025-04-25, Service bulletin: ELECTRICAL SYSTEM. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
- [24\-NA\-098](/bulletins/11017207.md), 2025-04-24, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Service Programming System \(SPS\) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
- [23\-NA\-165](/bulletins/11017035.md), 2025-04-15, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides repair information to correct a customer concern of Vehicle Will Not Lock and Unlock \(Loss of Active Functions\) Crank or Start \(Loss of Passive Functions\) with DTC P0513 Set.

JSON: [/v1/bulletins/10171894](/v1/bulletins/10171894)

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