Engine-Codes - Mercedes-benz - P0843 MERCEDES-BENZ

P0843 MERCEDES-BENZ - Transmission Fluid Pressure Sensor/Switch 'A' Circuit High

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

P0843 MERCEDES-BENZ Possible Causes

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty Transmission Fluid Pressure Sensor/Switch 'A'
  • Transmission Fluid Pressure Sensor/Switch 'A' harness or connectors
  • Transmission Fluid Pressure Sensor/Switch 'A' circuit is open or shorted
  • Transmission internal mechanical problem

How do I fix code P0843 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's pins.

Cost of diagnosing the P0843 MERCEDES-BENZ code

Labor: 1.0

The cost of diagnosing the P0843 MERCEDES-BENZ code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P0843 MERCEDES-BENZ Meaning

The Transmission Control Module (TCM) monitors the Transmission Fluid Pressure Sensor/Switch signal. The TCM sets the OBDII code when the Transmission Fluid Pressure Sensor/Switch is not to factory specifications.

P0843 MERCEDES-BENZ More Information

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