P128A - Cylinder Head Temperature Sensor Circuit Intermittent/Erratic
DTC DESCRIPTION P128A - CYLINDER HEAD TEMPERATURE SENSOR CIRCUIT INTERMITTENT/ERRATIC
| Description: | This DTC sets when the CHT circuit is intermittently open or short while the engine is running. | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor the CHT PID on a scan tool. Look for sudden changes in the reading when the harness is wiggled or the sensor is tapped. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DL. | ||