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Envoy 2WD V8-5.3L VIN P
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A/T - Slipping/TCC Inoperative/NO MIL ON/NO DTC P1870
A/T - Slipping/TCC Inoperative/NO MIL ON/NO DTC P1870
This TSB number 03-07-30-001, dated 01/01/03 has been superceded by TSB number 03-07-30-001A , dated 03/14/05