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Service bulletin PIC-5423-A

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)
TypeService bulletin
NHTSA id10045939
Published by NHTSA2012-09-24
Manufacturer's numberPIC-5423-A
Manufacturer's date2014-09-01
ReplacesPIC-5423-D
NHTSA componentSERVICE BRAKES

NHTSA's summary

CHEVROLET: ADDITIONAL PROCEDURAL INFORMATION ON HOW TO BLEED BRAKES PROPERLY ON VOLTS OR ELR, WHEN AIR IS TRAPPED IN BRAKES AND CAN CAUSE PERFORMANCE PROBLEMS. MODELS 2011-13 VOLTS. CADILLAC ELR 2014 AND CHEVROLET SPARK EV 2014. *PE UPDATED 05/16/2014 *JS UPDATED 12/12/14. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes

Vehicles listed
CADILLAC ELR2014
CHEVROLET SPARK2014
CHEVROLET VOLT2011, 2012

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

Recalls for the same vehicles and component
20140962014-03-27. Brakes
13V2710002013-06-27. SERVICE BRAKES; ELECTRONIC STABILITY CONTROL (ESC)

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
21-NA-0432025-02-12. Service bulletin. 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.
21-NA-0432024-12-10. Service bulletin. 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.
PIP5596A2024-04-15. Service bulletin. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
PIC5704H2024-03-18. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that had the Brake Pressure Modulator Valve now Diagnostic Trouble Code C0131 is set current. Technician should remove Brake Pressure Modulator Valve assembly and inspect the brake pressure sensor assembly to ensure all shipping material has been removed before installation.
PIC5734B2023-12-11. Service bulletin. Pulsation Or Drumming Noise Felt Through Brake Pedal On Light Apply.
PIC5734A2023-12-11. Service bulletin. Pulsation Or Drumming Noise Felt Through Brake Pedal On Light Apply.
PIC57342023-12-11. Service bulletin. Pulsation Or Drumming Noise Felt Through Brake Pedal On Light Apply.
PIC5423D2023-12-11. Service bulletin. Additional Information On Bleeding The Brakes
PIC5423C2023-12-11. Service bulletin. Additional Information On Bleeding The Brakes
PIC5423B2023-12-11. Service bulletin. Additional Information On Bleeding The Brakes.