AutoCodes – Acura – P1D73 Acura

P1D73 Acura Code - Traction Motor Temperature Sensor Range/Performance Problem High

Quick Answer

The motor control module (traction) detects the traction motor temperature with a traction motor temperature sensor installed in the traction motor. Common causes include Faulty Traction Motor Temperature Sensor, Traction Motor Temperature Sensor harness is open or shorted, Traction Motor Temperature Sensor circuit poor electrical connection. 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
P1D73 Acura indicates Traction Motor Temperature Sensor Range/Performance Problem High.
Common causes
Common causes include Faulty Traction Motor Temperature Sensor, Traction Motor Temperature Sensor harness is open or shorted, Traction Motor Temperature Sensor circuit poor electrical connection.
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.
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Code Popularity 1,199
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 16, 2020
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Code P1D73 Acura Description

The motor control module (traction) detects the traction motor temperature with a traction motor temperature sensor installed in the traction motor. When the input voltage from the traction motor temperature sensor remains above the upper limit of the specified value for a set time, the motor control module (traction) detects a malfunction and stores a DTC.
OBDII Code P1D73 Acura - Traction Motor Temperature Sensor Range/Performance Problem High - AutoCodes.com
P1D73 Acura Code - Traction Motor Temperature Sensor Range/Performance Problem High

What are the Possible Causes of the DTC P1D73 Acura?

  • Faulty Traction Motor Temperature Sensor
  • Traction Motor Temperature Sensor harness is open or shorted
  • Traction Motor Temperature Sensor circuit poor electrical connection
  • Faulty Motor Control Module (Traction)

How to Fix the DTC P1D73 Acura?

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 P1D73 Acura 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 P1D73 Acura code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1D73 Acura Code

What does the OBDII code P1D73 mean on an Acura?

The P1D73 code indicates a "Traction Motor Temperature Sensor Range/Performance Problem High," meaning the sensor is detecting an abnormal temperature or is operating outside its expected range.

What are the common symptoms of code P1D73 in an Acura?

Symptoms may include the Check Engine Light turning on, reduced engine or hybrid system performance, and possible activation of limp mode.

What causes the P1D73 code to appear in an Acura?

The code can be triggered by a faulty traction motor temperature sensor, damaged wiring or connectors, overheating of the motor, or an issue with the powertrain control module (PCM).

Can I drive my Acura with the P1D73 code?

It is not recommended to drive with this code active, as it may indicate overheating or potential damage to the traction motor, which could lead to further issues.

How is the P1D73 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the traction motor temperature sensor and its wiring, and perform tests to verify the sensor's functionality and temperature readings.

What repairs can fix the P1D73 code on an Acura?

Repairs may involve replacing the traction motor temperature sensor, repairing or replacing damaged wiring or connectors, or addressing overheating issues in the traction motor.

How much does it cost to fix the P1D73 code on an Acura?

Repair costs can vary, but replacing the traction motor temperature sensor typically ranges from $150 to $300, depending on labor costs and parts availability.

Can a software update resolve the P1D73 code?

In some cases, a software update to the powertrain control module (PCM) may address sensor calibration or system performance issues, but this depends on the specific vehicle and situation.

What happens if the P1D73 code is ignored?

Ignoring this code can lead to further damage to the traction motor, reduced performance, and potentially expensive repairs if overheating or electrical issues persist.

Is the traction motor temperature sensor the same as a coolant temperature sensor?

No, the traction motor temperature sensor specifically monitors the temperature of the hybrid or electric motor, whereas a coolant temperature sensor monitors engine coolant temperature.

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