Technical Definition:

Knock (Sensor 2) Circuit (Bank 2)

Technical Description:

Possible Causes:

• The “B” knock sensor is faulty and needs to be replaced
• There is a wiring short/fault in the knock sensor circuit

Possible Symptoms:

Knock Sensor 2 Circuit Malfunction Bank 2

Possible Solutions:

• Check the resistance of the knock sensor on bank 2 (compare it to factory specs)
• Check for broken/frayed wires leading to the sensor
• Replace the knock sensor on bank 2

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty knock sensor
– Knock sensor circuit poor electrical connection
– Knock sensor harness is open or shorted
– Faulty Engine Control Module (ECM)

Specific Makes:

– Possible Lack/Loss of Power