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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Automatic Transmission - 6T40 (MH8 MHB) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0815, P0816, or P0826: Upshift/Downshift Switch >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

P0815 - Condition 1 

TCM detects an upshift request for 1 s with the shift lever in Park or Neutral.

P0815 - Condition 2 

TCM detects an upshift request for 10 min with the shift lever in a forward range.

P0816 - Condition 1 

TCM detects a downshift request for 1 s with the shift lever in Park or Neutral.

P0816 - Condition 2 

TCM detects a downshift request for 10 min with the shift lever in a forward range.

P0826 

TCM detects an invalid voltage on the Tap Up/Down signal circuit for 1 min.