P1324moderate severityPowertrain
Knock Sensor Power Source Low Voltage
on 2009 Acura MDX 3.7L 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
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1