Scan Tool Data List
WARNING: This page is about a different variant/trim than selected.
Use the scan tool data list under the following conditions:
- The Diagnostic System Check - Vehicle in Vehicle DTC Information is complete.
- The on-board diagnostics are functioning properly.
- No DTCs are present.
The values below represent a typical display recorded from a properly functioning system.
IMPORTANT:
Do not use a scan tool that displays faulty data. Report the condition to the scan tool manufacturer. The use of a faulty scan tool can result in misdiagnosis and the unnecessary replacement of parts.
Only the parameters listed below are used in this manual for diagnosing. If a scan tool displays other parameters, the values are not recommended by General Motors for use in diagnosis.
Scan tool values below were recorded under the following conditions:
- Engine at idle
- Upper radiator hose hot
- Closed throttle
- Transmission in PARK
- Closed Loop operation
- Accessories OFF
- Brake pedal not applied
Transmission Scan Tool Data List
| Scan Tool Parameter | Data List* | Units Displayed | Typical Data Value |
|---|---|---|---|
| 1-2 Shift Error | F2, F7/F0 | Seconds | Varies |
| 1-2 Shift Time | F0, F2, F7/F0 | Seconds | Varies |
| 1-2 Sol. | F0, F2, F3, F4 | On/Off | On |
| 1-2 Sol. CKT Status | F2 | OK, Open/Short to GND, Short to Volts | OK |
| 1-2 TAP Cell (4-14) | F7/F0 | kPa (psi) | Varies |
| 2-3 Shift Error | F3, F7/F1 | Seconds | Varies |
| 2-3 Shift Time | F0, F3, F7/F1 | Seconds | Varies |
| 2-3 Sol. | F0, F2, F3, F4 | On/Off | On |
| 2-3 Sol. CKT Status | F3 | OK, Open/Short to GND, Short to Volts | OK |
| 2-3 TAP Cell (4-14) | F7/F1 | kPa (psi) | Varies |
| 3-2 Downshift Sol. | F0, F5 | On/Off | On |
| 3-2 Sol. CKT Status | F5 | OK, Open/Short to GND, Short to Volts | OK |
| 3-4 Shift Error | F4 | Seconds | Varies |
| 3-4 Shift Time | F0, F4 | Seconds | Varies |
| 4WD | F0 | Enabled/Disabled | Disabled |
| 4WD Low | F0 | Enabled/Disabled | Disabled |
| Calc. Throttle Position | F0, F1, F2, F3, F4, F5, F6 | Percent | Varies |
| Commanded Gear | F0, F1, F2, F3, F4, F5, F6 | 1, 2, 3, 4 | 1 |
| Current TAP Cell | F7/F0, F7/F1 | 0-16 | Varies |
| ECT | F0, F1 | °C (°F) | Varies |
| Engine Speed | F0, F1, F2, F3, F4, F5, F6 | RPM | Varies |
| Engine Torque | F0, F1 | N.m (lb ft) | Varies |
| Gear Ratio | F0, F1, F2, F3, F4 | Ratio | 8.00:1 |
| Ignition Voltage | F0 | Volts | 12-14 Volts |
| Last Shift Time | F0 | Seconds | Varies |
| PC Sol. Actual Current | F0, F6 | amps | Varies (0.1-1.1 amps) |
| PC Sol. Duty Cycle | F0, F6 | Percent | Varies |
| PC Sol. Ref. Current | F0, F6 | amps | Varies (0.1-1.1 amps) |
| Speed Ratio | F0, F1, F2, F3, F4, F5 | Ratio | 8.00:1 |
| TCC Brake Switch | F0, F1 | Open/Closed | Closed |
| TCC Duty Cycle | F0, F1 | Percent | 0% |
| TCC Duty Cycle CKT Status | F1 | OK, Open/Short to GND, Short to Volts | OK |
| TCC Enable Sol. | F0, F1 | Enabled/Disabled | Disabled |
| TCC Enable Sol. CKT Status | F1 | OK, Open/Short to GND, Short to Volts | OK |
| TCC Slip Speed | F0, F1 | RPM | +/-50 RPM from Engine Speed |
| TFP Sw. | F0 | Park-Drive1, Invalid | Park/Neutral |
| TFP Sw. A/B/C | F0 | HI/LOW | HI/LOW/HI |
| Torque Converter Efficiency | F0, F1, F2, F3, F4 | Ratio or % | .00:1 |
| TR Sw. | F0 | Park-Drive1 or Park-Low, Open, Invalid | Park/Neutral |
| TR Sw. A/B/C/P | F0 | HI/LOW | LOW/HI/HI/LOW |
| Trans. Fluid Temp. | F0, F1, F5, F6 | °C (°F) | Varies |
| Trans. Slip Counter | F0, F1 | 0, 1, 2 | 0 |
| Transfer Case Ratio | F0, F2, F3, F4 | Ratio | 2.61:1 |
| Transmission Hot Mode | F0, F1 | On/Off | Off |
| Transmission ISS | F0, F1, F2, F3, F4, F5 | RPM | 0 |
| Transmission OSS | F0, F1, F2, F3, F4, F5 | RPM | 0 |
| Vehicle Speed | F0, F1, F2, F3, F4, F5 | km/h (mph) | 0 |
|
*Data List Legend
|
|||