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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Automatic Transmission - 2ML70 - DTC P0218 To DTC P0967) >> DTC P0667, P0668, or P0669 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

Reprogram the TCM with the latest software version and retest the DTC. Perform the control solenoid (w/body and TCM) valve assembly inspection procedure before replacing the control solenoid (w/body and TCM) valve assembly.

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