Service bulletin PIC5903A

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10112410
Published by NHTSA	2017-08-15
Manufacturer's number	PIC5903A
Manufacturer's date	2013-10-16
NHTSA component	EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

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

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Heating and air conditioning, Software

Trouble codes named

P0534

Vehicles listed
CHEVROLET SPARK EV	2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET VOLT	2011, 2012, 2013, 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
16V422000	2016-06-10. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
16V257000	2016-04-28. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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PIP4902Q	2023-01-30. Service bulletin. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
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PIC6122A	2019-08-12. Service bulletin. This Preliminary Information communication provides information to the technician about having an intermittent whine, howl, hum, buzz noise or vibration during regenerative braking or while backing up. Technician will find P061B set. Technician should update the Hybrid Powertrain Control Module with the latest software using Service Programming System.
N172130462 01	2019-06-24. Service bulletin. Customer Satisfaction. Certain 2013 model year Chevrolet Volt vehicles equipped with a high voltage battery, may have a condition where it could gradually lose the ability to maintain voltage. If battery concerns are not addressed, over time the vehicle could enter a reduced propulsion mode while driving, or lose propulsion, or it may not start. Dealers are to update the Hybrid Powertrain Control Module 2 (HPCM2). This software update is intended to increase the amount of warning time provided.
070849020P	2019-04-22. Service bulletin. This informational bulletin provides information for the IPC odometer programming method quick reference guide.