GM Service Manual Online
For 1990-2009 cars only

No Overrun Braking-D1

Checks

Cause

Refer to No Overrun Braking - D3.

Check the PCM for current DTCs.

Automatic Transmission Fluid Pressure Manual Valve Position Switch Assembly

    • Pinched wire
    • Loose connector
    • Loose bolt causing leakage
    • No signal to the PCM