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 | Select the DTC Information menu. Is DTC P1790 displayed? |
Go to Step 5 | Go to Step 4 |
| 4 | Repair the temporary connection failure of the connector. Refer to Wiring Harness and Connector Inspection Diagnosis
. Did you complete the repair? |
System OK | - |
| 5 | Replace the transmission control module (TCM). Refer to Transmission Control Module Replacement
. Did you complete the replacement? |
System OK | - |