AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Mercedes-Benz - P0780 Mercedes-Benz

P0780 Mercedes-Benz Code - Shift Control System Fault

- Code Popularity: 4,054 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC P0780 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.
  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty shifting solenoid valve
  • Shifting solenoid valve harness is open or shorted
  • Shifting solenoid valve circuit poor electrical connection
⚠ Does your Mercedes-Benz have Safety Recalls? → Check here

How to Fix the DTC P0780 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.

Search for P0780 Mercedes-Benz Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0780 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.

When is the Code Detected?

The P0780 codes is detected when no rotation change occurs between input (turbine revolution sensor) and output (revolution sensor) and shifting time is long or when shifting ends immediately or when engine revs up unusually during shifting.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission shift shock

Code P0780 Mercedes-Benz Description

The Transmission Control Module (TCM) monitors the transmission mechanical shifting through various sensors. This malfunction is detected when the A/T does not shift as instructed by the TCM. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking,improper solenoid valve operation, etc.

OBDII Code P0780 Mercedes-Benz - Shift Control System Fault - AutoCodes.com
P0780 Mercedes-Benz Code - Shift Control System Fault

Need More Information on the Code?

Need more information on how to fix the P0780 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0780 Mercedes-Benz code diagnosed by a professional: Find a repair shop in your area

Code P0780 Mercedes-Benz comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0780 Mercedes-Benz code? Have you replaced any parts?
Any information is appreciated. Thanks