Possible Causes
| Possible Causes |
|---|
| ENGINE BRAKE DTCS PRESENT |
| WIRELESS IGNITION NODE (WIN) DTCS PRESENT |
| K321 BTSI CONTROL CIRCUIT SHORTED TO GROUND |
| K321 BTSI CONTROL CIRCUIT OPEN |
| SHIFTER LEVER ASSEMBLY |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .