# Service bulletin PIT5991

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: 10234211
- Published by NHTSA: 2023\-04\-17
- Manufacturer's number: PIT5991
- Manufacturer's date: 2023\-03\-10
- NHTSA component: EQUIPMENT

## NHTSA's summary

This Preliminary information communicates to the dealer technicians that engineering is aware of this concern and are identifying the root cause and will update this PI when a remedy is available. The technicians are not to replace any parts for the time being till a rememdy is available.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234211-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234211-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2023 CHEVROLET COLORADO
- 2023 CHEVROLET MALIBU
- 2023 CHEVROLET SILVERADO 1500
- 2023 GMC CANYON
- 2023 GMC SIERRA 1500

## Other bulletins for the same vehicles and component

- [22\-NA\-096](/bulletins/10254391.md), 2024-05-08, Service bulletin: EQUIPMENT. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built\-in Radio.
- [23\-NA\-064](/bulletins/10254014.md), 2024-05-02, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. 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.
- [24\-NA\-070](/bulletins/10253573.md), 2024-04-27, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides a procedure to program the ECM if the DTC is set and/or the start/stop doesn't restart after a stop.
- [21\-NA\-155](/bulletins/10253528.md), 2024-04-23, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; EQUIPMENT. This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
- [20\-NA\-132](/bulletins/10253527.md), 2024-04-23, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [17\-NA\-052](/bulletins/10253526.md), 2024-04-23, Service bulletin: WHEELS; EQUIPMENT. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
- [PIT6101D](/bulletins/10253114.md), 2024-04-15, Service bulletin: EQUIPMENT; EQUIPMENT:ELECTRICAL:AUX AUDIO JACK/PLUG. This Preliminary information communicates Engineering is investigating a no audio issue.
- [PIC6486E](/bulletins/10253104.md), 2024-04-15, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
- [PIT6012A](/bulletins/10253103.md), 2024-04-15, Service bulletin: SERVICE BRAKES; EQUIPMENT:ELECTRICAL. This Preliminary information communicates Diagnostic information for the Check Engine Light On, Spongy Brake Pedal Feel, Codes C05D3 and P25A2 Stored.
- [PIT6038A](/bulletins/10253097.md), 2024-04-15, Service bulletin: EQUIPMENT:ELECTRICAL. This Preliminary Information communicates the possibility of remote vehicle start being inoperative because it lacks the proper calibrations.

JSON: [/v1/bulletins/10234211](/v1/bulletins/10234211)

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