# Service bulletin PIC6496

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: 10234213
- Published by NHTSA: 2023\-04\-17
- Manufacturer's number: PIC6496
- Manufacturer's date: 2023\-03\-10
- NHTSA component: POWER TRAIN

## NHTSA's summary

This Preliminary information communicates the direction a technician needs to take when DTC P30EF is set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234213-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234213-9999.pdf)

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

## Components

Transmission and driveline

## Trouble codes named

P30EF

## Vehicles listed

- 2022 to 2023 CADILLAC CT4
- 2022 to 2023 CADILLAC CT5

## Other bulletins for the same vehicles and component

- [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.
- [PIP5966A](/bulletins/11014622.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
- [PIP5966A](/bulletins/11014621.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
- [24\-NA\-264](/bulletins/11014565.md), 2025-02-27, Service bulletin: POWER TRAIN. This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
- [16\-NA\-019](/bulletins/11014353.md), 2025-02-19, Service bulletin: POWER TRAIN. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
- [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.
- [PIP6008B](/bulletins/11012943.md), 2025-01-20, Service bulletin: POWER TRAIN. This Preliminary information communicates a possible retainer ring dis\-lodged for a DTC P2714, may not have reverse as well.
- [24\-NA\-264](/bulletins/11012009.md), 2024-12-20, Service bulletin: POWER TRAIN. This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
- [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.
- [PIP6008A](/bulletins/11011459.md), 2024-12-05, Service bulletin: POWER TRAIN. This Preliminary information communicates a possible retainer ring dis\-lodged for a DTC P2714, may not have reverse as well.

JSON: [/v1/bulletins/10234213](/v1/bulletins/10234213)

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