# Service bulletin PI1274

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: 10140354
- Published by NHTSA: 2018\-06\-11
- Manufacturer's number: PI1274
- Manufacturer's date: 2014\-07\-07
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

## NHTSA's summary

This PI provides information to update the BCM for a relay that can pulse rapidly causing a noise in the left fromt side of the instrument panel and poor performace of the rear window defogger.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10140354-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10140354-0001.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2013 to 2014 CHEVROLET SPARK
- 2014 CHEVROLET SPARK EV

## Other bulletins for the same vehicles and component

- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. 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.
- [PI0754G](/bulletins/11006511.md), 2024-08-17, Service bulletin: VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots \(Quench Marks\) and that they are a normal characteristic.
- [990139004E](/bulletins/10250080.md), 2024-02-12, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Air Conditioning Odor
- [PIT5099G](/bulletins/10247780.md), 2023-12-26, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [PIT5099A](/bulletins/10247063.md), 2023-12-11, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Blows Warm Or Poor Performance.
- [PIC5743](/bulletins/10247036.md), 2023-12-11, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Performance Table.
- [PIC5715A](/bulletins/10246995.md), 2023-12-11, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. AC Blows Warm Air Poor Performance.
- [13434C](/bulletins/10246814.md), 2023-12-11, Service bulletin: ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. CSP\-Air Conditioning System Inoperative or Cools Intermittently
- [13434A](/bulletins/10246812.md), 2023-12-11, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. CSP\-Air Conditioning System Inoperative or Cools Intermittently
- [990139004E](/bulletins/10246567.md), 2023-12-11, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Air Conditioning Odor

JSON: [/v1/bulletins/10140354](/v1/bulletins/10140354)

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