No 1-2 Upshift. Chevrolet Joy 2008

For 1990-2009 cars

#### No 1-2 Upshift

Checks | Causes
--- | ---
Shift solenoid A | Refer to DTC 53 .
Shift Solenoid B | Refer to DTC 58 .
Vehicle speed sensor | Refer to DTC 22 .
Shift switch | Refer to DTC 55 .
Transmission control module (TCM) | Refer to Diagnostic System Check - Automatic Transmission
Line pressure out of range | Operation of the control valve spool
Line pressure OK | Operation of the 2-4 brake band