# 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: 10174072
- Published by NHTSA: 2020\-04\-27
- Manufacturer's number: 20NA047
- Manufacturer's date: 2020\-03\-12
- NHTSA component: POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR

## NHTSA's summary

This technical 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/2020/MC-10174072-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174072-9999.pdf)

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

## Components

Transmission and driveline, Manual transmission

## 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

## Other bulletins for the same vehicles and component

- [15NA073](/bulletins/10250044.md), 2024-02-12, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS. Difficult to Shift and/or Hard to Get into Gear
- [990420002L](/bulletins/10200154.md), 2021-08-09, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
- [18NA171](/bulletins/10178953.md), 2020-08-31, Service bulletin: EQUIPMENT:MECHANICAL; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION; ENGINE. This technical bulletin provides a procedure to repair the mechanical components and then reprogram the throttle body to prevent the conditions of a rough running engine, MIL On from happening again.
- [18NA035](/bulletins/10172782.md), 2020-03-30, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION. This informational bulletin provides information on a normal characteristic of a transmission that will not shift into overdrive range during cold ambient temperatures.
- [N192216311](/bulletins/10172650.md), 2020-03-23, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY; POWER TRAIN:MANUAL TRANSMISSION:FLOOR SHIFT ASSEMBLY; EQUIPMENT. Service Update \- Certain vehicles may have a condition where the customer may be able to shift out of park with an expired latent fault mode counter. This will only occur after the customer ignores multiple driver information center \(DIC\) and chime warnings. By design, the vehicle should not allow the driver to shift out of park once the latent fault mode counter expires. Dealers are to reprogram the engine control module.
- [030729004L](/bulletins/10160133.md), 2019-05-20, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
- [PI0421C](/bulletins/10138216.md), 2018-05-21, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:CLUTCH ASSEMBLY:MASTER CYLINDER; POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This preliminary information bulletin provides a procedure to remove and replace the clutch actuator cylinder elbow seal for concerns regarding a fluid leak after clutch actuator replacement.
- [03\-07\-29\-004J](/bulletins/10138130.md), 2018-05-21, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.
- [PIC6297](/bulletins/10137702.md), 2018-05-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION. This Preliminary information communicates that engineering is working on a fix for P3260.
- [PIP5535](/bulletins/10126924.md), 2018-01-16, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION. This Preliminary information communicates to the technician that a repeat P2097 after the latest calibrations have been installed is being investigatedby powertrain. It provides direction to validate proper engine oil level and to replace both Heated Oxygen Sensors. It advises the dealer to pleasecommunicate to the customer that we apologize for this inconvenience and that General Motors is currently evaluating this concern.

JSON: [/v1/bulletins/10174072](/v1/bulletins/10174072)

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