P0326
Knock Sensor 1 Circuit Range/Performance Bank 1
2019-2019 Buick Enclave 3.6L V6
Moderate SeverityPowertrainGeneric (SAE)
The 2019 Buick Enclave is equipped with a 3.6L V6 engine. Below you'll find detailed p0326 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The knock sensor 1 signal is out of expected range.
Symptoms
- Check Engine Light
- Timing retarded
- Reduced power
Common Causes
- Sensor damaged
- Incorrect mounting
- Engine mechanical noise
Diagnostic Steps
- Test sensor output
- Verify mounting torque
- Check for engine noise issues
Repair Notes
Replace knock sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0326 on Other Vehicles
Common Questions
What does code P0326 mean on a 2019-2019 Buick Enclave?
P0326 stands for "Knock Sensor 1 Circuit Range/Performance Bank 1". The knock sensor 1 signal is out of expected range.
What are the symptoms of P0326 on a Buick Enclave?
Common symptoms of P0326 include: Check Engine Light, Timing retarded, Reduced power.
What causes P0326 on a 2019-2019 Buick Enclave?
Common causes of P0326 include: Sensor damaged, Incorrect mounting, Engine mechanical noise.
Last updated: March 2026