DTC P128A: Cylinder Head Temperature (CHT) Sensor Circuit Intermittent/Erratic
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P128A - CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT INTERMITTENT/ERRATIC
| Description: | Indicates the CHT circuit became intermittently open or short while the engine was 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 . | ||