# Service bulletin PIT5525

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: 10114813
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: PIT5525
- Manufacturer's date: 2016\-11\-01
- NHTSA component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have poor air conditioning performance above 80 Degrees Fahrenheit. Technician will need to ensure that the system charge is correct. Technician should be advised that engineering has determined that there may be two issues that could cause the concern. First the technician will need to monitor the High and low pressure with manual gauges and Global Diagnostic System 2 monitoring the AC Compressor Solenoid Commanded % in the ECM /HVAC data. If the pressures start to equalize but the Commanded Compressor % returns to 100%, turn off the Air Conditioning using the switch and then turn it back on or shut off the engine and restart it. If system begins to blow cold again and the gauges recover to normal, replace the Air Conditioning compressor. Second the technician should monitor and record the Heater\-Vent\-Air Conditioning readings. If it is found most of these readings are in specification but the low side pressure is at the low end of that specification and the Evaporator Air Temperature Sensor reads approximately 10 degrees or more higher than the technician should infrared thermometer measure the temperature of the 2 locations, about 2 inches in from the edge of the core of the condenser. f there a difference of more than 10 degrees Fahrenheit top to bottom, replace the condenser.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10114813-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10114813-0001.pdf)

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

## Components

Equipment and accessories, Heating and air conditioning

## Vehicles listed

- 2015 to 2016 CHEVROLET COLORADO
- 2015 to 2016 GMC CANYON

## Recalls for the same vehicles and component

- [2015575](/recalls/tc/2015575.md), 2015-11-30: Accessories

## Other bulletins for the same vehicles and component

- [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.
- [20\-NA\-132](/bulletins/10252774.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [PIT5401E](/bulletins/10252174.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Inoperative with No Communication and DTC U0184
- [PIT5358](/bulletins/10252168.md), 2024-04-01, Service bulletin: EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Repetitive Popping Noise From All Speakers.
- [PIT5357](/bulletins/10252167.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. VIS / GWM / IVH May Not Match Actual Audio System of Vehicle.
- [PIT5354](/bulletins/10252164.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL. Identifying If A Vehicle Is Equipped With OnStar 4G LTE Wi\-Fi.
- [PIT5353](/bulletins/10252163.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM Audio Traffic And Travel Link Availability And Operation.
- [23\-NA\-103](/bulletins/10252126.md), 2024-03-29, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center \(TAC\).
- [11\-00\-89\-005X](/bulletins/10251889.md), 2024-03-19, Service bulletin: EQUIPMENT. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy \(U.S. Only\).

JSON: [/v1/bulletins/10114813](/v1/bulletins/10114813)

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