Engine-Codes - Mercedes-Benz - P1402 Mercedes-Benz

P1402 Mercedes-Benz Code - Exhaust Gas Recirculation Open-Loop Control

- Code Popularity: 25,656 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
Table of contents
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What are the Possible Causes of the DTC P1402 Mercedes-Benz?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • The EGR volume control valve circuit harness is open or shorted
  • EGR volume control valve leaking or stuck open
  • Faulty EGR temperature sensor

Code Tech Notes

Start by cleaning the EGR valve, if the code persists it may be necessary to replaced the EGR Valve

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How to Fix the DTC P1402 Mercedes-Benz?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1402 Mercedes-Benz code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P1402 Mercedes-Benz Code Mean?

Exhaust Gas Recirculation Open-Loop Control is the generic description for the P1402 Mercedes-Benz code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1402 Mercedes-Benz OBDII code.

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P1402 Mercedes-Benz Code - Exhaust Gas Recirculation Open-Loop Control

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