Subject: | Harsh Engagement into Reverse (New PCM Calibration) |
Models: | 1992 SL2 Sedans and SC Coupes equipped with MP7 automatic transaxles and vehicle identification number (VIN Z113023 and below. |
A harsh engagement is experienced immediately after shifting into reverse (R).
The harsh engagement into reverse may be caused by a PCM calibration error. This condition has been corrected on vehicles built after VIN NZ113023
Normally the Saturn automatic transaxle will have a 1-3 second delay before engaging into reverse. If a customer comments on a harsh shift into reverse, with a quick clutch engagement (usually less than one second), then a new calibration may need to be downloaded into the PCM.
If a harsh/quick engagement is verified, download #2548 PROD TC CALIBRATION using Saturn Service Stall System and the "How To Use SSS EEPROM Reprogramming" procedures in the "SSS User Guide".
To receive credit for this repair, submit a claim through the Saturn Dealer System as follows:
Case Type | Description | Labor Operation Code | Time | |
VW | EEPROM Reprogramming | T9509 | 0.2 hrs |