# Service bulletin PIP5666C

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: 10171263
- Published by NHTSA: 2020\-02\-10
- Manufacturer's number: PIP5666C
- Manufacturer's date: 2020\-01\-10
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 4.2L LTA engine. The dealer technician is advised to call the GM Product Quality Center for further assistance

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171263-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171263-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2019 to 2020 CADILLAC CT6

## Other bulletins for the same vehicles and component

- [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.
- [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.
- [15\-06\-03\-001F](/bulletins/11017031.md), 2025-04-15, Service bulletin: ELECTRICAL SYSTEM. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
- [23\-NA\-164](/bulletins/11016948.md), 2025-04-11, Service bulletin: ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock \(Active Functions Work\) but Will Not Crank or Start \(Loss of Passive Functions Do Not Work\).
- [23\-NA\-163](/bulletins/11016946.md), 2025-04-10, Service bulletin: ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00, B3926 00, B3927 00, B3928 00 Set.
- [23\-NA\-064](/bulletins/11014239.md), 2025-02-12, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

JSON: [/v1/bulletins/10171263](/v1/bulletins/10171263)

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