Service bulletins for the 2018 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.
758 on file from NHTSA, as of 2026-10-19.
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By component
By trouble code
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Only bulletins with component: Transmission and driveline are shown. Show all
| 16NA019 | 2019-12-16. Service bulletin. POWER TRAIN. Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. |
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| PIP5312B | 2019-12-09. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician about the operation or performance of the CVT7 transmission. When the transmission is at operating temperature torque converter lockup can occur as low as 8 mph and the range for lockup is 8-18mph depending on the throttle angle. The continuously variable transmissions are usually thought of as a no shift transmission however the CVT7 transmission has a high and low range made possible by the use of two clutch packs and one planetary gear set. |
| PIP5621A | 2019-12-09. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC. |
| PIP5548A | 2019-12-09. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician diagnostic tips on inspection of the magnets inside the transmission fluid pan of the CVT7 transmission to aid in determining if the transmission needs to be replaced or not. |
| 990420002K | 2019-11-25. Service bulletin. POWER TRAIN. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. |
| 16NA338 | 2019-11-25. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| 080730026F | 2019-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. |
| 16NA338 | 2019-07-29. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| 080730035D | 2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |
| 030729004L | 2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. |
| 19NA053 | 2019-04-22. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; POWER TRAIN. This technical bulletin provides a procedure to replace the trans fluid pressure switch to correct Transmission Operation Concerns or Lack of Performance, MIL Illuminated. |
| PIP5521B | 2019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary information communicates to the dealer technician if they find P0871 or P2714 is set in the TCM to refer to bulletin 19-NA-053 for updated information regarding codes P0871 or P2714 set in the TCM. |
| 17NA066 | 2019-03-25. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. |
| 16NA338 | 2019-03-18. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| PIP5283A | 2019-03-18. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician about the transmission connector pin location and layout for CVT7 transmission. Information on performing a pin drag test on the harness end of the transmission connector is also included. |
| PIP5494A | 2019-03-11. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician about the operation or performance of the CVT7 transmission. This information also provides diagnostic tips using GDS2 software for the CVT7 transmission. |
| PIP5521A | 2019-03-11. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician if they find P0871 or P2714 is set in the TCM to clear the codes and retest. If the codes do not reset dealer is to release the vehicle to the customer. If the codes reset the dealer technician is instructed to replace the transmission fluid pressure switch. |
| PIP5525B | 2018-10-15. Service bulletin. POWER TRAIN. This Preliminary information communicates to the technician to no longerreplace the TCM if diagnostics leads to replacement of the CVT7 transmission assembly for data collection. |
| PIP5581 | 2018-08-20. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician thatdegradation of the CVT fluid may alter the friction characteristics and lead to shudder concerns during a high range to low range downshift. The information advises the dealer on how to replace the CVT fluid ifdegradation is found. |
| 18089 | 2018-08-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN; ELECTRICAL SYSTEM. 18089 - Service Update. On certain vehicles equipped with CVT Transmission (RPO MR8), the transmission control module (TCM) does not illuminate the MIL, and does not set the code P0603 (control module long term memory fault), when a memory checksum error identifies there is a malfunction of the Battery Independent Non-Volatile Dynamic Memory (BINVDM). This memory is used to store permanent DTC?s and data used to adapt transmission performance to the unique characteristics of the transmissions. Note: The reason for this software change is not due to incidents of BINVDM malfunctions; rather, it is to ensure that the MIL is illuminated if such malfunctions do occur. |
| 18089 | 2018-08-06. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. 18089 - Service Update. On certain vehicles equipped with CVT Transmission (RPO MR8), the transmission control module (TCM) does not illuminate the MIL, and does not set the code P0603 (control module long term memory fault), when a memory checksum error identifies there is a malfunction of the Battery Independent Non-Volatile Dynamic Memory (BINVDM). This memory is used to store permanent DTC?s and data used to adapt transmission performance to the unique characteristics of the transmissions. Note: The reason for this software change is not due to incidents of BINVDM malfunctions; rather, it is to ensure that the MIL is illuminated if such malfunctions do occur. |
| PIP5525A | 2018-06-18. Service bulletin. POWER TRAIN. This Preliminary information communicates to the technician to temporarily also replace the TCM if diagnostics leads to replacement of the CVT7 transmission assemblyfor data collection. |
| 060089026N | 2018-06-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); VISIBILITY:WINDSHIELD; ELECTRONIC STABILITY CONTROL (ESC). This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. |
| 080730026E | 2018-06-04. Service bulletin. POWER TRAIN. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. |
| 040730013D | 2018-06-04. Service bulletin. POWER TRAIN; ENGINE; EQUIPMENT. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.