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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1148 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0974) >> DTC P0667, P0668, or P0669 >> Circuit/System Verification >> DTC P0667

DTC P0667

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  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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