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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Automatic Transmission Diagnosis - 4L80-E) >> Diagnostic Tests >> DTC P0218: Transmission Fluid OVERTEMPERATURE >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 Chevrolet Suburban, and 2002 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The number listed below refers to step number in the diagnostic procedure:

  1. 3

    This step inspects for air restrictions and loss of transmission fluid flow, causing an extremely high transmission fluid temperature.