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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission - 6L80E) >> Diagnostic Information and Procedures >> DTC P2719, P2720 or P2721 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different variant/trim than selected.

When attempting to set DTCs, ensure the TCM is warmed up and the transmission is operated in second gear long enough to ensure a 3°C (5°F) increase in TCM substrate temperature. This will place the TCM under the optimal conditions to test DTCs.

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