P1580 Mercedes-Benz Code - Throttle Motor Bank 1 Circuit Malfunction
Quick Answer
P1580 Mercedes-Benz indicates Throttle Motor Bank 1 Circuit Malfunction. Common causes include Dirty Throttle Body, Faulty Throttle Motor, Throttle Motor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1580 Mercedes-Benz indicates Throttle Motor Bank 1 Circuit Malfunction.
- Common causes
- Common causes include Dirty Throttle Body, Faulty Throttle Motor, Throttle Motor harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1580 Mercedes-Benz Description
What are the Possible Causes of the DTC P1580 Mercedes-Benz?
- Dirty Throttle Body
- Faulty Throttle Motor
- Throttle Motor harness is open or shorted
- Throttle Motor circuit poor electrical connection
How to Fix the DTC P1580 Mercedes-Benz?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1580 Mercedes-Benz code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P1580 Mercedes-Benz code?
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Frequently Asked Questions about P1580 Mercedes-Benz Code
1. What does the OBDII code P1580 mean on a Mercedes-Benz?
P1580 indicates a "Throttle Motor Bank 1 Circuit Malfunction," meaning there's an issue with the throttle actuator motor or its related circuitry.
2. What are the common symptoms of the P1580 code on a Mercedes-Benz?
Symptoms include reduced engine performance, limp mode activation, poor throttle response, and possibly an illuminated check engine light.
3. What causes the P1580 code to trigger on a Mercedes-Benz?
Common causes include a faulty throttle actuator motor, wiring issues such as damaged or corroded connectors, a malfunctioning throttle position sensor, or a defective engine control module (ECU).
4. Can I drive my Mercedes-Benz with the P1580 code?
Driving with the P1580 code is not recommended as it can lead to reduced performance and may cause further damage to the throttle system or engine.
5. How do I diagnose the P1580 code on my Mercedes-Benz?
Diagnosis involves checking the throttle actuator circuit for continuity, inspecting wiring and connectors for damage, and testing the throttle actuator motor and position sensors.
6. What are the repair options for the P1580 code on a Mercedes-Benz?
Repairs may include replacing the throttle actuator motor, repairing or replacing damaged wiring, cleaning corroded connectors, or updating/reprogramming the ECU.
7. How much does it cost to fix the P1580 code on a Mercedes-Benz?
Repair costs can vary but may range from $300 to $1,500 depending on whether the throttle actuator motor, wiring, or ECU needs replacement.
8. Can a dirty throttle body cause the P1580 code to appear?
While a dirty throttle body typically causes other codes, excessive buildup can sometimes affect the throttle motor's function and contribute to the issue.
9. Does resetting the ECU clear the P1580 code permanently?
Resetting the ECU may temporarily clear the code, but it will return if the underlying issue with the throttle motor circuit is not resolved.
10. Is the P1580 code specific to Bank 1 only on a Mercedes-Benz?
Yes, P1580 specifically refers to a malfunction in the throttle motor circuit for Bank 1, which typically pertains to one side of the engine in V-configurations.
Discuss the causes and fixes for P1580 Mercedes-Benz OBDII Code
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I have a 1998 Mercedes SLK 230 with no throttle response. Shows code 1580. " Throttle motor bank 1 circuit malfunction" I have replaced the throttle body and checked all the associated wiring. That did not fix the problem. I am open to trying any additional fixes. But, I just don't know where to go from here.
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