Engine-Codes - Mercedes-benz - P0728 MERCEDES-BENZ

P0728 MERCEDES-BENZ Code - Engine Speed Input Circuit Intermittent

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|P0728 MERCEDES-BENZ code possible causes

  • Faulty Crankshaft Position (CKP) Sensor
  • Crankshaft Position (CKP) Sensor harness is open or shorted
  • Crankshaft Position (CKP) Sensor circuit poor electrical connection
  • Communication error between the Engine Control Module (ECM) and Transmission Control Module (TCM)

|How is the P0728 MERCEDES-BENZ code repair?

Start by checking 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.

|What is the cost to diagnose the P0728 MERCEDES-BENZ code

Labor: 1.0

The cost to diagnose the P0728 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.

|When is the P0728 MERCEDES-BENZ code detected?

The P0728 Codes is triggered when the TCM detected that the engine speed received from the ECM is intermittent.

|What are P0728 MERCEDES-BENZ code possible symptoms?

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

|What is P0728 MERCEDES-BENZ code meaning?

The Engine Control Module (ECM) monitors the engine speed through the Crankshaft Position (CKP) sensor with the engine running, and send signal to the Transmission Control Module (TCM).

|Need more information with the P0728 MERCEDES-BENZ code?

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|Need help with a P0728 MERCEDES-BENZ code?

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