Engine-Codes - Mercedes-Benz - P0770 Mercedes-Benz

P0770 Mercedes-Benz Code - Shift Solenoid 'E' Malfunction

- Code Popularity: 2,993 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code P0770 Mercedes-Benz?

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty shift solenoid 'E' valve
  • Shift solenoid 'E' valve harness is open or shorted
  • Shift solenoid 'E' valve circuit poor electrical connection

|How to Fix the P0770 Mercedes-Benz Code?

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 Code P0770 Mercedes-Benz?

Labor: 1.0

The cost to diagnose the P0770 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.

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|When is the P0770 Mercedes-Benz Code Detected?

The P0770 code is detected when the ECM detects an improper voltage drop when it tries to operate the solenoid valve.

|What are Code P0770 Mercedes-Benz Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission will not shift gears.

|What Does the P0770 Mercedes-Benz Code Mean?

Shift solenoid valve 'E' is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.

P0770 Mercedes-Benz Code - Shift Solenoid 'E' Malfunction

|Need more Information on the P0770 Mercedes-Benz Code?

Need more information on how to fix the P0770 Mercedes-Benz code? Get Access to Factory Service Manuals

|Need Help with the P0770 Mercedes-Benz Code?

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