GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

1-2 Shift Time

F0, F2

Seconds

0.75-2.50

2-3 Shift Time

F0, F2

Seconds

0.75-2.50

3-4 Shift Time

F0, F2

Seconds

0.75-2.50

4-5 Shift Time

F0, F2

Seconds

0.75-2.50

APP Angle

F0, F1, F2

%

0

Clutch PC Sol. 1 Actual Current

F0, F3

mA

Varies

Clutch PC Sol. 1 CKT Status

F3

OK, Open/Short to GND, Short to Volts

OK

Clutch PC Sol. 1 Ref. Current

F0, F3

mA

Varies

Clutch PC Sol. 2 Actual Current

F0, F3

mA

Varies

Clutch PC Sol. 2 CKT Status

F3

OK, Open/Short to GND, Short to Volts

OK

Clutch PC Sol. 2 Ref. Current

F0, F3

mA

Varies

Commanded Gear

F0, F1, F2, F3

Park/Neutral, Reverse, 1, 2, 3, 4, 5

Park/Neutral

Cruise

F0

Enabled/Disabled

Disabled

ECT

F0, F1, F2

°C (°F)

85-105 °C (184-220 °F)

Engine Run Time

F0, F2

Hours:Minutes:Seconds

Varies

Engine Speed

F0, F1, F2

RPM

660-780

Engine Torque

F0, F1, F2

N·m (lb ft)

Varies

Gear Ratio

F0, F1, F2, F3

Ratio

3.97

Gear Slip Ratio

F0

Ratio

Varies

Ignition Voltage

F0, F2, F3

Volts

12.6-14.5

Last Shift Time

F0, F2

Seconds

0-6.375

Shift Sol. 1 CKT Status

F3

OK, Open/Short to Volts, Short to GND

OK

Shift Sol. 2 CKT Status

F3

OK, Open/Short to Volts, Short to GND

OK

Shift Sol. 3 CKT Status

F3

OK, Open/Short to Volts, Short to GND

OK

Shift Solenoid 1

F0, F2, F3

On/Off

Off

Shift Solenoid 2

F0, F2, F3

On/Off

On

Shift Solenoid 3

F0, F2, F3

On/Off

Off

TCC Brake Switch

F0, F1, F2, F3

Open/Closed

Closed

TCC Enable Sol. CKT Status

F3

OK, Open/Short to GND, Short to Volts

OK

TCC Enable Solenoid

F1, F3

On/Off

Off

TCC PC Sol. Actual Current

F0, F1, F3

mA

Varies

TCC PC Sol. CKT Status

F1, F3

OK, Open/Short to GND, Short to Volts

OK

TCC PC Sol. Ref. Current

F0, F1, F3

mA

Varies

TCC Slip Speed

F0, F1, F2

RPM

Varies

TCC Sol. Test Results

F3

Not Ran, Pass, Sol. Failed, TFP 2 Failed, TFP Failed

Pass

TCC Sol. Test Status

F3

Not Ran, In Progress, Complete, User Aborted, PCM Aborted

Complete

TFP Switch 3

F0, F2

HI/LOW

HI

TFP Switch 4

F0, F2

HI/LOW

HI

Torque Converter Efficiency

F0, F1

%

Varies

TR Sw.

F0, F2

Park, Reverse, Neutral, Drive, Intermediate, Low, Invalid

Park

TR Sw. D/I/L

F0, F2

HI/LOW

L/H/H

TR Sw. Forward Range

F0, F2

HI/LOW

LOW

TR Sw. P/R/N

F0, F2

HI/LOW

H/H/H

Trans. Fluid Temp.

F0, F1, F2

°C (°F)

Varies

Transmission Hot Mode

F0, F1, F2, F3

On/Off

Off

Transmission ISS

F0, F1, F2

RPM

Varies

Transmission OSS

F0, F1, F2

RPM

0

Vehicle Speed

F0, F1, F2

km/h (mph)

0

F0: Transmission Data

F1: TCC Data

F2: Shift Data

F3: Solenoid Data