P0706 Mercedes-Benz Code - Transmission Range Sensor Circuit Performance
Quick Answer
The park/neutral position (PNP) switch includes a transmission range switch. Common causes include Faulty Park/neutral position switch, Misadjusted park/neutral position switch, Park/neutral position switch 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
- P0706 Mercedes-Benz indicates Transmission Range Sensor Circuit Performance.
- Common causes
- Common causes include Faulty Park/neutral position switch, Misadjusted park/neutral position switch, Park/neutral position switch 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 P0706 Mercedes-Benz Description
What are the Possible Causes of the DTC P0706 Mercedes-Benz?
- Faulty Park/neutral position switch
- Misadjusted park/neutral position switch
- Park/neutral position switch harness is open or shorted
- Park/neutral position switch circuit poor electrical connection
How to Fix the DTC P0706 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 P0706 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.
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Frequently Asked Questions about P0706 Mercedes-Benz Code
1. What does the OBDII code P0706 mean on a Mercedes-Benz?
P0706 indicates an issue with the Transmission Range Sensor (TRS) circuit, specifically a performance or range fault. This sensor monitors the position of the gear selector.
2. What are the common symptoms of code P0706 on a Mercedes-Benz?
Symptoms may include the transmission not shifting properly, being stuck in one gear, erratic shifting, the inability to start the vehicle, or the Check Engine light illuminating.
3. What causes the P0706 code on a Mercedes-Benz?
Common causes include a faulty Transmission Range Sensor, damaged or corroded wiring and connectors, misaligned gear shifter linkage, or issues with the transmission control module (TCM).
4. Can I drive my Mercedes-Benz with the P0706 code?
While it may be possible to drive, it is not recommended as the issue can cause erratic shifting or improper gear engagement, potentially leading to further transmission damage.
5. How is code P0706 diagnosed on a Mercedes-Benz?
Diagnosis typically involves scanning for codes, inspecting the Transmission Range Sensor and its wiring, checking for proper gear linkage alignment, and testing the sensor's electrical signals.
6. How do I fix the P0706 code on a Mercedes-Benz?
Fixes may include replacing the Transmission Range Sensor, repairing or replacing damaged wiring or connectors, aligning the gear shifter linkage, or reprogramming the TCM if needed.
7. How much does it cost to repair the P0706 code on a Mercedes-Benz?
Repair costs can range from $150 to $600 or more, depending on whether the issue is a simple wiring repair or a replacement of the Transmission Range Sensor.
8. Can a dead battery cause the P0706 code on a Mercedes-Benz?
A dead or weak battery can sometimes cause electrical issues, including false sensor readings, but it's more likely that the P0706 code is caused by a fault in the sensor or its circuit.
9. Does the P0706 code always mean the Transmission Range Sensor is faulty?
No, the issue could also stem from wiring problems, misaligned gear linkage, or a malfunctioning TCM rather than the sensor itself.
10. Will clearing the P0706 code fix the problem on a Mercedes-Benz?
Clearing the code may temporarily remove the Check Engine light, but the underlying issue must be resolved to prevent the code from returning.
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