B0939 PONTIAC - Coolant Level Sensor Circuit High
- Low Coolant Level
- Faulty Coolant Level Sensor
- Coolant Level Sensor harness is open or shorted
- Coolant Level Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
B0939 Pontiac DescriptionThe Powertrain Control Module (PCM) monitors the Coolant Level Sensor. The PCM sets the OBDII code when the Coolant Level Sensor is not to factory specifications.
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