Possible Causes
| Possible Causes |
|---|
| ANTI-LOCK BRAKE SYSTEM (ABS) MODULE VACUUM RELATED DTCS |
| POWERTRAIN CONTROL MODULE (PCM) DTCS |
| ELECTRIC VACUUM PUMP |
| ANTI-LOCK BRAKE SYSTEM (ABS) MODULE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .