p0332
Easy Fix
Buick · SUVs
Knock Sensor 2 Circuit Low (Bank 2)
Quick Answer
Error code P0332 on your Buick SUVs means: Knock Sensor 2 Circuit Low (Bank 2). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Identify knock sensor location on engine
2
Check connector for damage or looseness
3
Measure sensor resistance
4
Install new knock sensor if needed
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Knock sensor
Torque wrench
Gasket sealer
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