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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0667, P0668, or P0669 >> Diagnostic Aids

Diagnostic Aids

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This DTC may be set due to an overheating condition. The system is operating normally when the Trans. Fluid Temp. parameter is within 10°C (18°F) of the TCM temperature parameter.