Cause of Failure
WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
- The harness or connector between the TCM and the engine control module (ECM)
- The ECM
- The TCM
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Automatic Transmission? | Go to Step 2 | Go to Diagnostic System Check - Automatic Transmission |
| 2 |
|
Go to Step 3 | Go to Step 4 |
| 3 |
|
Go to Step 5 | Go to Step 4 |
| 4 | Inspect the transmission control module (TCM) wiring harness and connector for signs of an intermittent condition. Repair as necessary. Did you complete the action? |
System OK | - |
| 5 | Replace the TCM. Refer to Transmission Control Module Replacement
. Did you complete the replacement? |
System OK | - |