Pinpoint Test Dg: Knock Sensor (KS)
WARNING: This page is about a different variant/trim than selected.
Normal Operation and Fault Conditions
Refer to the DTC Fault Trigger Conditions.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Condition |
|---|---|---|
| PCM P0325:00 | Knock/Combustion Vibration Sensor "A" Circuit: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS11 detects vibrations upon increase and decrease in engine RPM. The KS11 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P0327:00 | Knock/Combustion Vibration Sensor "A" Circuit Low: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS11 detects vibrations upon increase and decrease in engine RPM. The KS11 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P0328:00 | Knock/Combustion Vibration Sensor "A" Circuit High: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS11 detects vibrations upon increase and decrease in engine RPM. The KS11 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P032A:00 | Knock/Combustion Vibration Sensor "C" Circuit: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS12 detects vibrations upon increase and decrease in engine RPM. The KS12 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P032C:00 | Knock/Combustion Vibration Sensor "C" Circuit Low: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS12 detects vibrations upon increase and decrease in engine RPM. The KS12 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P032D:00 | Knock/Combustion Vibration Sensor "C" Circuit High: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS12 detects vibrations upon increase and decrease in engine RPM. The KS12 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P0330:00 | Knock/Combustion Vibration Sensor "B" Circuit: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS21 detects vibrations upon increase and decrease in engine RPM. The KS21 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P0332:00 | Knock/Combustion Vibration Sensor "B" Circuit Low: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS21 detects vibrations upon increase and decrease in engine RPM. The KS21 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P0333:00 | Knock/Combustion Vibration Sensor "B" Circuit High: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS21 detects vibrations upon increase and decrease in engine RPM. The KS21 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P033A:00 | Knock/Combustion Vibration Sensor "D" Circuit: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS22 detects vibrations upon increase and decrease in engine RPM. The KS22 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P033C:00 | Knock/Combustion Vibration Sensor "D" Circuit Low: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS22 detects vibrations upon increase and decrease in engine RPM. The KS22 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P033D:00 | Knock/Combustion Vibration Sensor "D" Circuit High: No Sub Type Information | Sets when the PCM detects the voltage goes outside a calibrated level. The KS22 detects vibrations upon increase and decrease in engine RPM. The KS22 generates a voltage based on this vibration. The vehicle may need to be driven for several minutes to set this DTC. |
| PCM P06B6:00 | Internal Control Module Knock/Combustion Vibration Sensor Processor 1 Performance: No Sub Type Information | Sets when the PCM detects an error condition or communication concern with the KS processor integrated circuit. Diagnose all other Diagnostic Trouble Codes (DTCs) first. If no other Diagnostic Trouble Codes (DTCs) are present, verify no base engine concerns are present before continuing with diagnosis. |
| PCM P130D:00 | Engine Knock/Combustion Performance - Forced Limited Power: No Sub Type Information | Sets when the KS system detects excessive pre-ignition. The KS voltage exceeds a maximum value greater than a calibrated number of times within a set time period when pre-ignition is present. Engine performance may be limited to protect the engine if this DTC is set. Diagnose all other Diagnostic Trouble Codes (DTCs) first. If no other Diagnostic Trouble Codes (DTCs) are present, verify no base engine concerns are present before continuing with diagnosis. |
Possible Sources
- Knock sensor circuitry concern
- Base engine concerns
- Cooling system concerns
- Fuel quality
- Positive crankcase ventilation (PCV) system concern
- Oil and filter maintenance concern
- Oil overfilled
- Excessive oil consumption
- Charge air cooler (CAC) restriction
- Spark plug
- Fuel injector
- Knock sensor (12A699)
- PCM (12A650)