Diagnostic Procedures
- Perform On-Board Diagnostic (OBD) System Check. After performing OBD system check, go to next step.
- Using scan tool, check if DTC P0503 is also present. If DTC P0503 is present, diagnose affected DTC first. If DTC P0503 is not present, go to next step.
- Verify if DTC was set by wheelspin due to icy, wet or slippery conditions. If road conditions caused DTC to set, go to next step. If not, fault is not present. See DIAGNOSTIC AIDS.
- Clear DTC. Explain to vehicle operator what caused DTC to set.