P1324moderate severityPowertrain
Knock Sensor Power Source Low Voltage
on 2009 Acura RL 3.5L V6 · AWD
What this code means
Knock sensor power supply voltage is below minimum threshold.
Symptoms
- CEL
- Potential knock under load
- Timing retarded as precaution
- Reduced performance
Common causes
- Low voltage supply
- Damaged wiring
- Poor connections
- Faulty PCM
Diagnostic steps
- Test power supply voltage
- Inspect wiring
- Check connections
- Test PCM output
Repair notes
Repair power supply circuit.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1