GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Line pressure solenoid

Refer to DTC 48 .

Lock-up solenoid

Refer to DTC 43 .

Transmission fluid level

Refer to Transmission Fluid Check .

Line pressure out of range

    â€¢ Damage or wear to the oil pump gears
    â€¢ Operation of the control valve spool