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Service bulletin PIP5251A

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 id10095190
Published by NHTSA2017-03-15
Manufacturer's numberPIP5251A
Manufacturer's date2015-01-14
NHTSA componentENGINE

NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A MALFUNCTION INDICATOR LAMP ON. TECHNICIAN MAY FIND A DIAGNOSTIC TROUBLE CODE P0324 SET AS A CURRENT OR HISTORY. ALSO A RATTLE OR SPARK KNOCK TYPE NOISE MAY ALSO BE HEARD WHILE DRIVING. TECHNICIAN WILL NEED TO LET THE VEHICLE COLD SOAK OVERNIGHT. THEN CLEAR THE DIAGNOSTIC TROUBLE CODE IN THE ENGINE CONTROL MODULE. THEN USE GLOBAL DIAGNOSTIC SYSTEM 2 TO MONITOR THE TOTAL KNOCK RETARD PARAMETER. LET THE VEHICLE RUN AT IDLE FOR TEN SECONDS WITH THE PARK BRAKE TURNED ON. HOLD THE BRAKE DOWN AND PLACE THE VEHICLE IN “DRIVE” FOR AUTOMATIC TRANSMISSION OR DRIVE GEAR FOR MANUAL GEAR BOX THEN BRING THE ENGINE BETWEEN 1800 AND 2000 RPM FOR 10 SECONDS THEN RETURN TO IDLE FOR 5 SECOND. REPEAT THIS CYCLE 7 TIMES. IF THE READINGS DURING THE RAISED RPM TESTING WERE NOT CONTINUOUSLY ABOVE 6.0 DEGREES FOR MORE THAN 5 SECONDS, NO FURTHER ACTION IS REQUIRED WITHIN THE SCOPE OF THIS BULLETIN. IF THE READINGS DURING THE RAISED RPM TESTING WERE CONTINUOUSLY ABOVE 6.0 DEGREES FOR MORE THAN 5 SECONDS, THE VEHICLE REQUIRES REPAIR. TECHNICIAN WILL NEED TO VERIFY THE ENGINE OIL LEVEL IS CORRECT. AFTER INSURING THE ENGINE OIL LEVEL IS CORRECT ALLOW THE ENGINE TO IDLE FOR ONE HOUR. EVERY 15 MINUTES INCREASE THE ENGINE RPMS TO 2000 AND HOLD FOR 5 MINUTES. OR DRIVE THE VEHICLE FOR 25 TO 30 MILES. ALLOW THE ENGINE TO COLD SOAK OVERNIGHT AND THEN REPEAT THE INSPECTION PROCEDURE. THEN REVIEW THE GLOBAL DIAGNOSTIC SYSTEM 2 SESSION LOG TOTAL KNOCK RETARD PARAMETER. TECHNICIAN WILL NEED TO GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE.

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

Engine

Trouble codes named

P0324

Vehicles listed
CHEVROLET SPARK2014, 2015
CHEVROLET SPARK EV2014, 2015 (the catalog's model; the bulletin names a series or trim of it)

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

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