# Service bulletin 20NA047

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: 10194085
- Published by NHTSA: 2021\-05\-24
- Manufacturer's number: 20NA047
- Manufacturer's date: 2021\-04\-07
- NHTSA component: POWER TRAIN

## NHTSA's summary

This service bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194085-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194085-9999.pdf)

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

## Components

Transmission and driveline

## Trouble codes named

P1101

## Vehicles listed

- 2016 to 2019 BUICK ENCORE
- 2016 to 2019 CHEVROLET CRUZE
- 2018 to 2020 CHEVROLET EQUINOX
- 2016 to 2020 CHEVROLET MALIBU
- 2019 CHEVROLET TRAX
- 2016 to 2019 CHEVROLET VOLT
- 2018 to 2020 GMC TERRAIN

## Recalls for the same vehicles and component

- [2020520](/recalls/tc/2020520.md), 2020-10-29: Powertrain
- [20V668000](/recalls/nhtsa/20V668000.md), 2020-10-29: POWER TRAIN:AUTOMATIC TRANSMISSION
- [17V516000](/recalls/nhtsa/17V516000.md), 2017-08-22: POWER TRAIN:DRIVELINE:DRIVESHAFT
- [16V502000](/recalls/nhtsa/16V502000.md), 2016-07-05: ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)
- [2016341](/recalls/tc/2016341.md), 2016-06-30: Powertrain

## Other bulletins for the same vehicles and component

- [23\-NA\-119](/bulletins/11024331.md), 2025-10-16, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in\- Park, No Start \- DTC B000A Set.
- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [19\-NA\-200](/bulletins/11016943.md), 2025-04-10, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.
- [PIP5975A](/bulletins/11014630.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates information on what dealer technicians should due if they encounter a broken chain on a CVT transmission
- [PIP6032A](/bulletins/11013399.md), 2025-02-03, Service bulletin: POWER TRAIN. This Preliminary Information communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .
- [09\-06\-04\-026Z](/bulletins/11013069.md), 2025-01-23, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- [08\-07\-30\-035I](/bulletins/11011989.md), 2024-12-19, Service bulletin: POWER TRAIN. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- [21\-NA\-181](/bulletins/11011904.md), 2024-12-18, Service bulletin: POWER TRAIN. This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
- [PIP6032](/bulletins/11011864.md), 2024-12-16, Service bulletin: POWER TRAIN. This Preliminary Information communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .
- [23\-NA\-021](/bulletins/11011225.md), 2024-12-04, Service bulletin: ENGINE; POWER TRAIN. This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

JSON: [/v1/bulletins/10194085](/v1/bulletins/10194085)

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