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Service bulletins for the 2011 Chevrolet Volt

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.

1715 on file from NHTSA, as of 2026-10-19.

About P0534 on the 2011 Chevrolet Volt: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0534 are shown. Show all

Bulletins, newest first
PIC5903C2020-02-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have Service Vehicle Soon Lamp or Check Engine Lamp is on. Technician may find Diagnostic Trouble Code P0534. Technician will use a scan tool to check for all Diagnostic Trouble Codes that are set, but should not delete any Diagnostic Trouble Codes found. Technician should also capture any Freeze Frame data in a Global Diagnostic System 2 Session Log. Technician will need to inspect the Rechargeable Energy Storage System and replace if it has three notches. On Volt and Ampera models check the Hybrid Processor Control Module 2 for having the latest software. Technician should update the Hybrid Processor Control Module 2 with the latest calibrations if need. If the module is up to date use Global Diagnostic System 2 to monitor the High and Low Side Refrigerant Pressures with the Air Conditioner Compress or Speed with the Heater-Vent-Air Conditioning temperature to maximum cold, high blower speed. Technician should follow published Service Information diagnostics if Diagnostic Trouble Code P0534 sets. If the technician finds both the High and Low Side Refrigerant Pressures are found to be low then connect the Refrigerant Recovery/Recharge Air Condition machine and check the Refrigerant level. Technician should follow ?Refrigerant Loss? in Service Information Diagnostics if the refrigerant level is less than 800 grams. When working on Spark Electric Vehicle technician should follow all published Service Information diagnostics before and other diagnostics or repairs. Technician should use the GE 50300 Refrigerant Recovery/Recharge Air Condition machine and check the R1234yf Refrigerant level. If the Refrigerant level is low technician should follow published Service Information diagnostics. If the Refrigerant level is over 500 grams technician will use Global Diagnostic System 2 to verify if the Remote Heater and Air Conditioning Module is up to date and update if n
PIC5903B2019-03-11. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have Service Vehicle Soon Lamp or Check Engine Lamp is on. Technician may find Diagnostic Trouble Code P0534. Technician will use a scan tool to check for all Diagnostic Trouble Codes that are set, but should not delete any Diagnostic Trouble Codes found. Technician should also capture any Freeze Frame data in a Global Diagnostic System 2 Session Log. Technician will need to inspect the Rechargeable Energy Storage System and replace if it has three notches. On Volt and Ampera models check the Hybrid Processor Control Module 2 for having the latest software. Technician should update the Hybrid Processor Control Module 2 with the latest calibrations if need. If the module is up to date use Global Diagnostic System 2 to monitor the High and Low Side Refrigerant Pressures with the Air Conditioner Compress or Speed with the Heater-Vent-Air Conditioning temperature to maximum cold, high blower speed. Technician should follow published Service Information diagnostics if Diagnostic Trouble Code P0534 sets. If the technician finds both the High and Low Side Refrigerant Pressures are found to be low then connect the Refrigerant Recovery/Recharge Air Condition machine and check the Refrigerant level. Technician should follow ?Refrigerant Loss? in Service Information Diagnostics if the refrigerant level is less than 800 grams. When working on Spark Electric Vehicle technician should follow all published Service Information diagnostics before and other diagnostics or repairs. Technician should use the GE 50300 Refrigerant Recovery/Recharge Air Condition machine and check the R1234yf Refrigerant level. If the Refrigerant level is low technician should follow published Service Information diagnostics. If the Refrigerant level is over 500 grams technician will use Global Diagnostic System 2 to verify if the Remote Heater and Air Conditioning Module is up to date and update if n
PIC5769A2017-08-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0534 set in the Hybrid Powertrain Control Module 2. Technician will need to ensure the vehicle has the proper amount of refrigerant charge. If the vehicles has the proper amount of refrigerant charge tech should update the Hybrid Powertrain Control Module 2 with the latest calibrations in Tis2Web.
PIC57692017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE; HYBRID PROPULSION SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0534 set in the Hybrid Powertrain Control Module 2. Technician will need to ensure the vehicle has the proper amount of refrigerant charge. If the vehicles has the proper amount of refrigerant charge tech should update the Hybrid Powertrain Control Module 2 with the latest calibrations in Tis2Web. If the vehicles has a repeat failure for Diagnostic Trouble Code P0534, technician will need to contact General Motors Technical Assistance Center for further assistance.
PIC5903A2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have Service Vehicle Soon Lamp or Check Engine Lamp is on. Technician may find Diagnostic Trouble Code P0534. Technician will use a scan tool to check for all Diagnostic Trouble Codes that are set, but should not delete any Diagnostic Trouble Codes found. Technician should also capture any Freeze Frame data in a Global Diagnostic System 2 Session Log. Technician will need to inspect the Rechargeable Energy Storage System and replace if it has three notches. On Volt and Ampera models check the Hybrid Processor Control Module 2 for having the latest software. Technician should update the Hybrid Processor Control Module 2 with the latest calibrations if need. If the module is up to date use Global Diagnostic System 2 to monitor the High and Low Side Refrigerant Pressures with the Air Conditioner Compress or Speed with the Heater-Vent-Air Conditioning temperature to maximum cold, high blower speed. Technician should follow published Service Information diagnostics if Diagnostic Trouble Code P0534 sets. If the technician finds both the High and Low Side Refrigerant Pressures are found to be low then connect the Refrigerant Recovery/Recharge Air Condition machine and check the Refrigerant level. Technician should follow "Refrigerant Loss" in Service Information Diagnostics if the refrigerant level is less than 800 grams. When working on Spark Electric Vehicle technician should follow all published Service Information diagnostics before and other diagnostics or repairs. Technician should use the GE-50300 Refrigerant Recovery/Recharge Air Condition machine and check the R1234yf Refrigerant level. If the Refrigerant level is low technician should follow published Service Information diagnostics. If the Refrigerant level is over 500 grams technician will use Global Diagnostic System 2 to verify if the Remote Heater and Air Conditioning Module is up to date and update if
PIC-5769-A2013-09-19. Service bulletin. ENGINE. GM: SOME VEHICLES MAY EXPERIENCE A SES LAMP WITH A CURRENT OR PREVIOUSLY SET DTC CODE P0534. *JS

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.