Test Description
WARNING: This page is about a different car, the 2004 Oldsmobile Bravada and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table.
- 2: This step replaces the transfer case shift control module.
DTC C0550
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Transfer Case Control Schematics Connector End View Reference: Transfer Case Control Connector End Views |
||||
| 1 | Did you perform the Diagnostic System Check - Transfer Case? | - | Go to Step 2 | Go to Diagnostic System Check - Transfer Case |
| 2 |
IMPORTANT:
After transfer case shift control module replacement and reprogramming ensure all doors are closed and the key is out of the ignition, then open and close the doors again and wait 2 minutes to avoid setting false DTCs. Replace the transfer case shift control module. Refer to Transfer Case Shift Control Module Replacement and Transfer Case Control Module Reprogramming .Did you complete the repair? |
- | System OK | - |