# Service bulletin G\-199978

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: 10080801
- Published by NHTSA: 2016\-09\-22
- Manufacturer's number: G\-199978
- Manufacturer's date: 2014\-09\-10
- NHTSA component: EQUIPMENT; STRUCTURE

## NHTSA's summary

14306 \- CUSTOMER SATISFACTION. WE HAVE LEARNED THAT CERTAIN VEHICLES EQUIPPED WITH A TWIN TURBO ENGINE \(LF3\) MAY HAVE BEEN BUILT WITH FRONT FASCIA LOWER GRILLETTES THAT DO NOT HAVE AIR VENTS. WITHOUT AIR VENTS, UNDER CERTAIN HIGH PERFORMANCE DRIVING CONDITIONS, SUCH AS RACE TRACK DRIVING, THE ENGINE COULD EXCEED 258°F AND ENTER THE OVER\-TEMPERATURE ALGORITHM WHICH WILL SHUT OFF THE AIR CONDITIONING SYSTEM AND BEGIN TO REDUCE ENGINE POWER. DEALERS ARE TO REPLACE THE NON\-VENTED GRILLETTES WITH VENTED GRILLETTES.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Body and frame, Equipment and accessories

## Vehicles listed

- 2014 CADILLAC CTS

## Other bulletins for the same vehicles and component

- [10\-08\-110\-001L](/bulletins/11014171.md), 2025-02-11, Service bulletin: STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats.
- [21\-NA\-043](/bulletins/11011709.md), 2024-12-10, Service bulletin: STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [23\-NA\-219](/bulletins/11009764.md), 2024-11-05, Service bulletin: UNKNOWN OR OTHER; STRUCTURE:BODY. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
- [PI0572B](/bulletins/10254240.md), 2024-05-06, Service bulletin: EQUIPMENT. Information on COAX Repair Kit Availability.
- [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.
- [PIP5129B](/bulletins/10253369.md), 2024-04-22, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Engine Exchange Program for 2014 Model Year Has Ended.
- [PIC6541](/bulletins/10253078.md), 2024-04-15, Service bulletin: EQUIPMENT:ELECTRICAL. This Preliminary information communicates to the technicians some additional diagnostic tips if they encounter a condition of a dead battery/parasitic drain.
- [PIE0291A](/bulletins/10252899.md), 2024-04-08, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Engineering Information.
- [PIE0291](/bulletins/10252898.md), 2024-04-08, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Engineering Information.

JSON: [/v1/bulletins/10080801](/v1/bulletins/10080801)

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