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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T30 (MH9) Or 6T40 (MH8) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0815, P0816 or P0826: Upshift/Downshift Switch Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

P0815 - Condition 1 

Transmission control module (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.