P13B9 - Knock Sensor Electrical Signal Input 'B' Short Circuit To Positive

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

P13B9 Possible Causes

  • Faulty Knock Sensor
  • Knock Sensor harness is open or shorted
  • Knock Sensor circuit poor electrical connection

First diagnose P13B9 code

    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 terminals.

Cost of diagnosing the P13B9 code

    Labor: 1.0

    The cost of diagnosing the P13B9 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P13B9 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P13B9 Meaning

The Engine Control Module (ECM) monitors the Knock Sensor. The ECM sets the OBDII code when the Knock Sensor is not to factory specifications.
OBDII Code P13B9 - Knock Sensor Electrical Signal Input 'B' Short Circuit To Positive - Engine-Codes.com

P13B9 More Information

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P13B9 Information for specific makes

  • P13B9 BMW Knock Sensor Electrical Signal Input 'B' Short Circuit To Positive
  • P13B9 MINI Knock Sensor Electrical Signal Input 'B' Short Circuit To Positive

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