GM Service Manual Online
For 1990-2009 cars only

Transmission Does Not Shift Out of Park, Brake Applied for Chevrolet Corvette 1997

Trans Does Not Shift Out of Park, Brake Applied

Step

Action

Value(s)

Yes

No

DEFINITION: Transmission does not shift out of PARK with the brake pedal depressed and the ignition switch in RUN.

1

  1. Disconnect the BTSI switch connector.
  2. Use a DMM to measure the voltage at terminal B.

Is the voltage within the the specified range?

10.0-14.0V

Go to Step 4

Go to Step 2

2

  1. Depress the brake pedal.
  2. Reconnect the BTSI switch.
  3. Use a DMM to measure for continuity between the BTSI switch terminal A and terminal B.

Is there continuity?

--

Go to Step 5

Go to Step 3

3

Replace the Brake Transmission Shift Lock Control Solenoid.

Is the repair complete?

Recheck System Operation

--

4

Repair the short to B+ in CKT 1135.

Is the repair complete?

--

Recheck System Operation

--

5

Replace the BTSI Switch.

Is the repair complete?

--

Recheck System Operation

--