Code Enable Criteria
PCM will run diagnostic for this DTC under the following conditions:
- DTCs P0101, P0102, P0103, P0107, P0108, P0117, P0118, P0121, P0122, P0123, P0125, P0336, P1114, P1115, P1121, P1122 P1336 are not set.
- Engine speed is 1000-5000 RPM.
- Throttle angle is more than 15 percent.
- Engine load is more than 40 percent.
- Engine coolant temperature is more than 153°F (60°C).
- Maximum spark retard is less than 15 degrees.
- System voltage is more than 9 volts.
- Engine run time is more than 30 seconds.
DTC will set when PCM detects a malfunction in integrated knock sensor diagnostic circuitry which will not allow proper diagnosis of knock sensor circuit for at least one second.