Diagnostic Aids

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The customer may notice an engine stalling condition.
If the scan tool indicated TCC release pressure was present in Step 2 and a mechanical or hydraulic condition was not found in Step 8, an intermittent short to ground condition may exist in the TCC release switch signal circuit. Refer to Testing for Intermittent Conditions and Poor Connections .
Do not replace the torque converter for this condition, refer to Torque Converter Replacement Guide for other concerns.
Residue or contamination may cause valves to stick intermittently.