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P1581 Mercedes-Benz Code - Throttle Control Unit Basic Setting

- Code Popularity: 2,117 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1581 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 Throttle Control Unit
  • Throttle Control Unit harness is open or shorted
  • Throttle Control Unit circuit poor electrical connection
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How to Fix the DTC P1581 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 P1581 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 P1581 Mercedes-Benz Description

Throttle control unit incorporates the following components: Throttle Position (TP) Sensor, Close Throttle Position (CTP) Switch (if fitted), Idle Speed Control (ISC) Actuator/Position Sensor or Throttle Motor/Position Sensor.

OBDII Code P1581 Mercedes-Benz - Throttle Control Unit Basic Setting - AutoCodes.com
P1581 Mercedes-Benz Code - Throttle Control Unit Basic Setting

Need More Information on the Code?

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