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P1721 2005 Infiniti G35 Code - Vehicle Speed Sensor MTR

- Code Popularity: 2,581 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1721 2005 Infiniti G35?

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 Vehicle Speed Sensor
  • Vehicle Speed Sensor harness is open or shorted
  • Vehicle Speed Sensor circuit poor electrical connection
  • Transmission Control Module (TCM) communication
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How to Fix the DTC P1721 2005 Infiniti G35?

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 P1721 2005 Infiniti G35 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?

TCM does not receive the proper vehicle speed sensor MTR signal (input by CAN communication) from combination meter.

What are Code Possible Symptoms?

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

Code P1721 2005 Infiniti G35 Description

The vehicle speed sensor·MTR signal is transmitted from combination meter to Transmission Control Module (TCM) by CAN communication line. The signal functions as an auxiliary device to the revolution sensor when it is malfunctioning. The TCM will then use the vehicle speed sensor·MTR signal.

OBDII Code P1721 2005 Infiniti G35 - Vehicle Speed Sensor MTR - AutoCodes.com
P1721 2005 Infiniti G35 Code - Vehicle Speed Sensor MTR

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