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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1993 (Automatic Transmission - 4T45-E - DTC P0218 To DTC P0961) >> DTC P0815, P0816, or P0826 >> Conditions for Setting the DTC >> P0815 and P0816

P0815 and P0816

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The TCM detects an upshift request for 1 second or greater in PARK/NEUTRAL range, or D4 range for 600 seconds.