Knock Sensor Module Performance Conditions
Table of contents
P1602 BUICK Possible Causes
- Faulty Knock Sensor Module
- Knock Sensor Module harness is open or shorted
- Knock Sensor Module circuit poor electrical connection
How do I fix code P1602 BUICK?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1602 BUICK code
The cost of diagnosing the P1602 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1602 BUICK Description
With the engine running and Engine Coolant Temperature (ECT) sensor input more than 104°F, the Powertrain Control Module (PCM) detects a fault in the internal Knock Sensor module or its circuit