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Service bulletins for the 2014 Chevrolet Spark

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.

1614 on file from NHTSA, as of 2026-10-19.

About P0324 on the 2014 Chevrolet Spark: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0324 are shown. Show all

Bulletins, newest first
14076C2023-12-18. Service bulletin. BACK OVER PREVENTION; ENGINE. Engine Noise ? DTC P0324
14076B2023-12-18. Service bulletin. BACK OVER PREVENTION; ENGINE. Engine Noise ? DTC P0324
14076A2023-12-18. Service bulletin. ENGINE; BACK OVER PREVENTION. Engine Noise ? DTC P0324
140762023-12-18. Service bulletin. ENGINE AND ENGINE COOLING. Engine Noise ? DTC P0324
PIP52512017-08-15. Service bulletin. ENGINE; EQUIPMENT; POWER TRAIN. 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.
PIP5251B2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
PIP5251A2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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.
PIP5251A2017-03-15. Service bulletin. ENGINE. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.