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P0327 Diagnostic Trouble Code Discussion for December 2010

Knock Sensor 1 Circuit Low Voltage (Bank 1)

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Trouble Ticket Help Requests for DTC P0327
Help Request Posted
1999 GMC K1500 Sierra SLT 5.7L MIL Lamp on VIN: 1GTEK19T9X
P0327: Knock Sensor Circuit Low Voltage (Bank 1). ... stored indicating an issue with the "rear" knock sensor circuit. Replaced both knock sensors and the sub harness. Now, we no longer have the P0332 code stored for the rear knock sensor but the light is back on with code P0327 (front knock sensor ci...
December 14, 2010