Diagnostic Procedures
- Perform ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK. See the BASIC TESTING article. After performing OBD system check, go to next step.
- Using scan tool, check if DTC P0108 or P1114 is set. If any of these DTC(s) are present, diagnose affected DTC(s). If DTC(s) are not present, diagnose cooling system.