Symptoms of P0332 OBD II Trouble Code
- The knock sensor is faulty and needs to
be replaced
- There is a wiring open/short/fault in the knock
sensor circuit
- The PCM/ECM has failed
Common Causes of P0332 OBD II Trouble Code
- Verify the resistance of the knock sensor
(compare it to factory specs)
- Inspect for broken/frayed wires leading to the sensor
- Check the wiring and connections leading to/from the knock sensor and PCM/ECM
- Verify proper voltage is reaching the knock sensor (e.g. 5 volts)
- Verify proper grounding of sensor and circuit
- Replace the knock sensor
- Replace the PCM/ECM