P13B9 - Knock Sensor Electrical Signal Input 'B' Short Circuit To Positive
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: 1.0The 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 MeaningThe Engine Control Module (ECM) monitors the Knock Sensor. The ECM sets the OBDII code when the Knock Sensor is not to factory specifications.
P13B9 More InformationNeed more information on how to fix the P13B9 code?
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