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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 936 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0990) >> DTC P0667, P0668, or P0669 >> Circuit/System Verification >> Notes

Circuit/System Verification: Notes

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0667

  1. Start the engine and operate the vehicle at 64 km/h (40 mph) while observing the TCM power up temperature sensor and the TCM temperature sensor.
  2. The system is operating normally if the TCM power up temperature is within 10°C (18°F) of the TCM temperature sensor.
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