Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| HIGH RESISTANCE IN THE SCB VALVE SIGNAL 1 OR SCB VALVE SIGNAL 2 CIRCUIT |
| HIGH RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT |
| HIGH RESISTANCE IN THE SCB VALVE RETURN CIRCUIT |
| SCB VALVE SIGNAL 1 CIRCUIT SHORTED TO THE SCB VALVE SIGNAL 2 CIRCUIT |
| SUPERCHARGER BYPASS VALVE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .