Current gear is 1st gear--Current 1st gear ratio/expected 1st gear ratio is greater than 20 percent of the expected 1st gear ratio for 12 seconds.
Step
| Action
| Value(s)
| Yes
| No
|
1
|
- Turn the ignition OFF.
- Install the Scan tool.
- With the engine OFF, turn the ignition switch to the ON position.
- Select Store Freeze Frame/Failure Records from the Diagnostic Trouble Codes Information menu.
- Store Freeze Frame/Failure Records.
- Select Clear DTC Information from the Diagnostic Trouble Codes Information menu.
- Clear DTC Information.
- Perform one vehicle drive cycle.
Is the Malfunction Indicator Lamp (MIL) ON?
| --
| Go to
Step 2
| Repair the temporary connection failure of connector. Refer to
Repairing Connector Terminals.
|
2
|
- Select Request DTC by Status from the Diagnostic Trouble Codes Information menu.
- Request DTC by Status.
Is DTC P1715 displayed?
| --
| Go to
Step 3
| Repair the temporary connection failure of connector. Refer to
Repairing Connector Terminals.
|
3
|
- Turn the ignition OFF.
- Replace the master TCM and perform simulation test again under user condition.
Is DTC P1715 reappeared?
| --
| Go to
Step 4
| Replace the TCM.
|
4
|
- Estimate the failure of shift solenoid 1, shift solenoid 2, line pressure control (PC) solenoid or internal valve body.
- Inspect the SS1 or SS2.
Is the condition of SS1 or SS2 OK?
| --
| Replace the valve body assembly. Refer to
Control Valve Body Replacement.
| Replace shift solenoid 1 (SS1) or shift solenoid 2 (SS2).
|