CVT7 Automatic Transmission Improper Default GDS2 Data (PIP5589)
Publication date: 2018-09-13Reference number: PIP5589
CVT7 AUTOMATIC TRANSMISSION IMPROPER DEFAULT GDS2 DATA
TECHNICAL SERVICE BULLETIN
Reference Number(s): PIP5589, Date of Issue:
Sep 13, 2018
SERVICE INFORMATION
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | ||
|---|---|---|---|---|---|---|---|
| from | to | from | to | ||||
| Chevrolet | Spark | 2014-2018 | All | All | LL0, LV7 | M4M, MR8 | |
| Involved Region or Country | North America |
| Condition | Technicians may notice that some of the GDS2 data is incorrect. |
| Cause | TCM Software. |
CORRECTION
For 2014 to 2018 model year vehicles please be aware of the incorrect data displayed as listed below.
Technicians may find that the CVT7 transmission data in GDS2 is not correct with the key on engine off or with the engine running when coming to a stop or when a codes sets causing the transmission control module place the transmission into a default mode.
The data may not be correct with some sensors unplugged.
The data known to be incorrect under the conditions listed above is TCC slip speed, Primary Pulley Speed, Secondary Pulley Speed and ISS.
Corrections are being made to address this concern for the 2019 model year vehicle.
SERVICE INFORMATION
| Version | 1 |
| Modified | 09-13-2018 - Created |