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NHTSA ID Number: 10206736
Manufacturer Communication Number: PIT5878
Summary
This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER
EV.
1 Affected Product
Vehicle
Condition
Some customers may experience one or more of the following conditions:
1) Heat Inoperative
2) AC Inoperative
3) Any HVAC actuator concerns.
4) Any DTC’s related to the HVAC system
5) Any DTC’s related to the battery heating and cooling system
6) Any other issue that is related to the HVAC system
Cause
The HUMMER BEV Heat and HVAC system mechanical diagnostics are still being developed with engineering support.
SEOCONTENT-START
Bulletin No.: PIT5878
Published date: 12/17/2021
Preliminary Information
PIT5878 2022 HUMMER EV Heat – Defrost – AC – Battery Cooling –
and Air Conditioning Performance Concerns
Models
Brand: Model: Model Years:
VIN:
Engine: Transmissions:
from to
GMC Hummer EV 2022 All All All All
Involved Region or Country North America
Additional Options (RPO) CJ4
Condition
Some customers may experience one or more of the following conditions:
1) Heat Inoperative
2) AC Inoperative
3) Any HVAC actuator concerns.
4) Any DTC’s related to the HVAC system
5) Any DTC’s related to the battery heating and cooling system
6) Any other issue that is related to the HVAC system
Cause
The HUMMER BEV Heat and HVAC system mechanical diagnostics are still being
developed with engineering support.
Correction:
Before starting any performance or mechanical diagnosis or repairs:
1) Please create a TAC case through the Dealer Case Management system.
2) Please document any customer complaints, symptoms, and DTC’s.
3) Once a TAC case is established, you should expect to be contacted as soon as possible by a HUMMER EV level 2
specialist.
Version History
Version 1
Modified 12/17/2021 – Created on.
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5878
Published date: 12/17/2021
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Bestseller No. 1
Honey Well Genuine 8oz R1234YF Refrigerant (3 Freon Cans) & HD Brass Can Tap with Gauge
- 3 Cans of R1234YF Geniune Honeywell Refrigerant Freon Cans
- Free Guage
- Perfect for recharging AC in the summer
- Fit type: Universal
- Part number: R134YFTOK
SaleBestseller No. 2
ZeroR® Genuine R1234YF in 8oz SSV Cans | 3 Cans with Zeror Service Label
- Authentic HFO-R1234YF - This product should only be used in R1234YF systems. Please check the service sticker on your system or vehicle to identify the system type. This kit also includes a ZeroR service label for easy identification of the servce date and working pressures.
- 8 oz Cans – Cans are 8 oz net weight. Gas is measured in weight when compressed. Please don’t shake the can and think that it doesn’t feel full. Rest assured that it is. Different gases have different weights when compressed.
- Reverse Threads - These R1234YF cans are different from the older, more traditional, cans of refrigerant such as R134a. They have left hand, or reverse threads. This means you will need to turn the can counter clockwise to insert into your charging hose can tap.
Bestseller No. 3
ZeroR Performance Boost Kit for R1234YF Refrigerant AC Systems | 24" Charging Hose with Gauge | 3 Cans
- PERFORMANCE BOOSTER CHARGE KIT - ZeroR is a performance booster for use with R1234YF AC systems. You can use as many cans in your system as you wish, while being sure not to overfill the system with the included can tap with gauge.
- KIT CONTENTS - The can tap is 24 in length with a gauge metered for R1234YF systems. Standard R1234YF can taps will not work on ZeroR branded R1234YF cans, because our cans have a unique thread. 3 cans of ZeroR Permafrost in 4oz cans.
- NOT A Full Refrigerant - This product is a support fluid performance booster. It is a combination of two ZeroR products in one. The first part removes moisture (moisture can cause damage and reduced performance in the system), and the second part reduces friction (friction can reduce refrigerant flow and cause compressor damage)
- 24 in Charging Hose with Can Tap & Gauge - New longer 24 inch connection hose accomodates those harder to reach low side ports that were previously difficult to reach with a shorter 12 inch hose.
- 10 MINUTE INSTALL - Easy instructions are included and will take as little as 10 minutes to complete.
Bestseller No. 4
ZeroR® R1234YF Refrigerant Recharge Kit | 24" HD Can Tap Gauge | 8oz R1234YF (3 Cans)
- This kit contains a 24in. R1234YF HD Brass Can Tap with Gauge & 2 cans of R1234YF. 1 can should fill the majority of empty systems.
- 24″ Heavy Duty Brass Can Tap & Gauge – New longer 24″ connection hose accommodates those harder to reach low side ports that were previously difficult to reach with a shorter 12″ hose. The can tap has reverse, “left-hand” threads, that matches the threads on the R1234YF can.
- Authentic R1234YF – This product is authentic HFO-1234yf and is purchased directly from an authorized supplier in the USA. This product should only be used in R1234YF systems. Please check the service sticker on your system to identify it's type.
- 8OZ CANS – Cans are 8oz net weight. Gas is measured in weight when compressed. Please don’t shake the can and think that it doesn’t feel full. It is, we promise. Different gases have different weights when compressed.
SaleBestseller No. 5
InterDynamics Certified AC Pro Car Air Conditioner R1234YF Refrigerant Gauge and Hose, Reusable AC Recharge Kit, 72 in
- One A/C Pro Auto AC Recharge Gauge and Hose Dispenser, R1234yf
- Extra large easy-to-read gauge for accurate charging
- 24" AC charging hose is long enough to reach difficult ports
- Push-on quick-connect coupler lets you easily connect the refrigerant hose
- Trigger dispenser offers easy use for effortless recharging
Bestseller No. 6
ZeroR® HFO-1234YF R1234YF Refrigerant for MVAC Use in 8oz SSV Cans (1 Can) with Maintenance Label
- Genuine R1234YF – This product is genuine and is purchased from a dealer in the USA. This product can only be used in R1234YF system. Please check the service sticker on your system to identify the system type. Installtion tools not included.
- 8oz Can – Cans are 8oz net weight and have reverse, or "left-hand" threads. Gas is measured in weight when compressed. Please don’t shake the can and think that it doesn’t feel full. Different gases have different weights when compressed. All cans are filled to the maximum pressure as allowed by the D.O.T.
- Returns - By law, products rated as hazardous materials (all compressed gasses) require a hazmat training & a license to ship. While this product may be returned for a refund, neither Amazon nor DIY Parts may provide a prepaid return shipping label due to liability reasons. Customers must assume all risk and cost for return shipping if they choose to return the products without proper certification. We apologize for any inconvenience this legal requirement may cause
- Legal Disclaimer: R1234YF Refrigerant for MVAC use in a 8oz Self-Sealing Container. Customer is responsible for complying with all federal, state and local laws when purchasing, handling, storing and installing refrigerants. DiY Parts is not liable for customer’s failure to comply with any legal requirements. This product is flammable, follow all labeled precautions when handling. This product can only ship ground services.
SaleBestseller No. 7
16916 Oxygen Sensor Fit for Robinair R-1234yf Machines Fit for 16990 16995 Refrigerant Identifiers Replacement Filter# AC1234-4/AC1234-4SL/AC1234-4-230/AC1234-6/AC1234-9
- Fitment: The 16916 oxygen sensor replaces filter for AC1234-4/ AC1234-4SL/ AC1234-4-230/ AC1234-6/ AC1234-9; fit for Robinair R-1234yf machines and fit for 16990/16995 refrigerant identifiers.
- Function: The 16916 Oxygen Sensor is designed for Robinair R-1234yf machines and refrigerant identifiers, ensuring precise refrigerant analysis and proper system operation. A failing sensor may lead to system malfunction, preventing refrigerant processing. Replacing it in time helps restore normal function, supports accurate detection, and ensures efficient refrigerant handling.
- Durable Construction: Made from high-quality materials for long-lasting use, designed to withstand daily operation and various working environments. Ensures consistent performance in demanding conditions.
- Reliable Performance: Engineered for accurate detection, the 16916 Oxygen Sensor supports proper machine function and consistent refrigerant analysis. Helps maintain precise identification and efficient operation
- Easy Installation: Direct replacement for Robinair refrigerant identifiers, with a plug-and-play design for quick and simple replacement. No modifications required, allowing for fast equipment restoration.
Bestseller No. 8
Orion Motor Tech R1234yf AC Gauge Set, 4 Way AC Gauges W Hoses R1234yf R134a Quick Couplers Self Sealing Can Tap for Freon Charging, AC Gauge Kit for R1234yf R134a R404a, 4 Valve Manifold Gauge Set
- Complete Gauge Set: Orion Motor Tech's AC gauge set includes a 4-way gauge, four hoses, two quick couplers for R1234yf & two for R134a, one self-sealing can tap for R1234yf & one for R134a, plus two 1/4" male to 1/2" female adapters (LH & RH threads)
- Precision Gauges: This R1234yf gauge set features high and low pressure gauges with a durable oil-filled core that resists wear & shock and a dry dial for improved winter performance. Calibration screws ensure accuracy within 1.6%
- Color-Coded Hoses: The color-coded PVC hoses of this HVAC gauge kit have 4 reinforced layers to work with pressure up to 800 psi (burst pressure: 4000 psi)
- Wide Application: This air conditioning line repair tool works with R1234yf, R404a, and R134a refrigerants; ideal for HVAC maintenance, this R1234yf AC recharge kit allows you to measure pressure, evacuate and refill coolant
- Enjoy for Years: This manifold gauge set is made with a durable aluminum body and features pure copper fittings for long-lasting use and effective rust and corrosion resistance
Bestseller No. 9
ZeroR® Permafrost for R1234YF AC Systems | Performance Booster | 5 Cans + 24" HD Can Tap Gauge
- Performance Booster Charge Kit - ZeroR Permafrost is a performance booster for R1234YF AC systems. You can use as many cans in your system as you wish, while being sure not to overfill the system with the included can tap with gauge.
- KIT CONTENTS - The can tap is 24 in length with a gauge metered for R1234YF systems. Standard R1234YF can taps will not work on ZeroR branded R1234YF cans, because our cans have a unique thread. 5 cans of ZeroR Permafrost for HFO-1234yf systems in 4oz cans.
- NOT A Full Refrigerant - This product is a support fluid performance booster. It is a combination of two ZeroR products in one. The first part removes moisture (moisture can cause damage and reduced performance in the system), and the second part reduces friction (friction can reduce refrigerant flow and cause compressor damage)
- 24 in Charging Hose with Can Tap & Gauge - New longer 24 inch connection hose accomodates those harder to reach low side ports that were previously difficult to reach with a shorter 12 inch hose.
Bestseller No. 10
Generic R1234YF, 1234YF Refrigerant Support, Arctic Air in 4oz. Cans for Auto w/Brass Gauge (2 Pack), Blue, Gold, and White, ES1234AG2
- For R1234YF
- Promotes colder air.
- Enhances system longevity.
- Functions as an A/C booster.
- Heavy Duty, High Quality Brass Gauge.
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