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P0702 Mercedes-Benz Code - Transmission Control Module

- Code Popularity: 31,188 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0702 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.
  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module harness is open or shorted
  • Transmission Control Module circuit poor electrical connection
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How to Fix the DTC P0702 Mercedes-Benz?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0702 Mercedes-Benz code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P0702 Mercedes-Benz Description

This Diagnostic Trouble Code (DTC) is set by the Engine Control Module (ECM) when you have a problem with the Transmission Control Module (TCM). This could be the TCM itself or a problem with the wiring harness to the module.

OBDII Code P0702 Mercedes-Benz - Transmission Control Module - AutoCodes.com
P0702 Mercedes-Benz Code - Transmission Control Module

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