AutoCodes - Mercedes-benz - P0324 MERCEDES-BENZ

P0324 MERCEDES-BENZ Code - Knock/Combustion Vibration Control System Error

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P0324 MERCEDES-BENZ code possible causes

  • Faulty Knock Sensor
  • Knock Sensor harness is open or shorted
  • Knock Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

|How do I fix the P0324 MERCEDES-BENZ 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 connector's pins.

|P0324 MERCEDES-BENZ code tech notes

Mercedes Benz Code = 0493 The knock control has a malfunction. (P0324)
Mercedes Benz Code = 0494 The knock control has a malfunction. (P0324)
Mercedes Benz Code = 0496 The knock control has a malfunction. (P0324)
Mercedes Benz Code = 0500 The knock control has a malfunction. (P0324)

|Cost of diagnosing the P0324 MERCEDES-BENZ code

Labor: 1.0

The cost of diagnosing the P0324 MERCEDES-BENZ code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0324 MERCEDES-BENZ code possible symptoms?

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

|P0324 MERCEDES-BENZ code description

This fault code is stored in the Engine Control Module (ECM) when a combustion anomaly is detected. When irregular combustion takes place a detectable knock or vibration occurs. This acts on the knock sensor and causes a voltage to be generated by the component. The ECM then uses the output from the camshaft position sensor to calculate the knock window for a given ignition event. The knock window is the angular period, in crankshaft rotation, when combustion knock can occur. If the knock sensor produces a voltage outside of the knock window, the signal will be ignored. For correct operation of the knock sensor, the component must be torqued to the correct tightness and the retaining bolt must be replaced after it has been removed. The engine lubrication system should also be inspected as a fault here could result in false knock sensor codes being generated.
OBDII Code P0324 Mercedes-benz - Knock/Combustion Vibration Control System Error - AutoCodes.com

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|P0324 MERCEDES-BENZ code comments

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