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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10234213
Published by NHTSA2023-04-17
Manufacturer's numberPIC6496
Manufacturer's date2023-03-10
NHTSA componentPOWER TRAIN

NHTSA's summary

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

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Trouble codes named

P30EF

Vehicles listed
CADILLAC CT42022, 2023
CADILLAC CT52022, 2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PI0281L2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
PIP5966A2025-03-02. Service bulletin. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
PIP5966A2025-03-02. Service bulletin. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
24-NA-2642025-02-27. Service bulletin. This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
16-NA-0192025-02-19. Service bulletin. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
09-06-04-026Z2025-01-23. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
PIP6008B2025-01-20. Service bulletin. This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
24-NA-2642024-12-20. Service bulletin. This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
08-07-30-035I2024-12-19. Service bulletin. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
PIP6008A2024-12-05. Service bulletin. This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.