A/T Controls - Light Throttle Surge With TCC Engaged
TECHNICALBulletin No.: 08-07-30-029
Date: June 05, 2008
Subject:
Surge On Light Throttle/Slight Inclines After Torque Converter Clutch (TCC) Engagement In Third Or Forth Gear (Reprogram TCM)
Models:
2007 Chevrolet Cobalt
2007 Pontiac G5
2007 Saturn ION
with 4T45E Automatic Transaxle (RPO MN5) and 2.2L Engine (VIN F - RPO L61)
Condition
Some customers may comment on a surge on light throttle and slight inclines just after torque converter clutch (TCC) engagement in third or forth gear.
Correction
A revised transmission calibration has been developed to address this issue. Reprogram the TCM with the selectable calibration described as calibration for customer complaints of excessive TCC surge in 3rd/4th gear using the TIS2WEB Service Programming System (SPS) application. As always, make sure your Tech 2(R) is updated with the latest software version.
Warranty Information
For vehicles repaired under warranty, use the table.
Disclaimer