AutoCodes – Mazda – P1702 Mazda

P1702 Mazda Code - Transmission Range Sensor Circuit Malfunction

Quick Answer

P1702 Mazda indicates Transmission Range Sensor Circuit Malfunction. Common causes include Faulty Transmission Range (TR) Sensor, Transmission Range (TR) Sensor harness is open or shorted, Transmission Range (TR) 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
P1702 Mazda indicates Transmission Range Sensor Circuit Malfunction.
Common causes
Common causes include Faulty Transmission Range (TR) Sensor, Transmission Range (TR) Sensor harness is open or shorted, Transmission Range (TR) 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 4,773
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 10, 2019
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Code P1702 Mazda Description

OBDII Code P1702 Mazda - Transmission Range Sensor Circuit Malfunction - AutoCodes.com
P1702 Mazda Code - Transmission Range Sensor Circuit Malfunction

What are the Possible Causes of the DTC P1702 Mazda?

  • Faulty Transmission Range (TR) Sensor
  • Transmission Range (TR) Sensor harness is open or shorted
  • Transmission Range (TR) Sensor circuit poor electrical connection

How to Fix the DTC P1702 Mazda?

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 P1702 Mazda 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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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 P1702 Mazda Code

1. What does the OBDII code P1702 mean for a Mazda?

P1702 indicates a malfunction in the transmission range sensor circuit, which is responsible for detecting the gear position.

2. What are the common symptoms of a P1702 code on a Mazda?

Symptoms may include difficulty shifting gears, the transmission getting stuck in one gear, the vehicle not starting in certain gears, or an illuminated check engine light.

3. What causes the P1702 code in Mazda vehicles?

Common causes include a faulty transmission range sensor, damaged or corroded wiring or connectors, or issues with the transmission control module (TCM).

4. Can a bad transmission range sensor cause drivability issues?

Yes, a faulty transmission range sensor can lead to shifting problems, erratic gear changes, or the vehicle failing to respond properly to gear selections.

5. How do I diagnose a P1702 code on a Mazda?

Diagnosis involves inspecting the transmission range sensor, checking the wiring and connectors for damage, and testing the sensor's voltage and resistance with a multimeter.

6. Is it safe to drive with a P1702 code active?

It is not recommended to drive for long periods with this code, as it can lead to further transmission issues and potential safety risks.

7. How can I fix the P1702 code on my Mazda?

Fixes may include replacing the transmission range sensor, repairing or replacing damaged wiring, or reprogramming or replacing the TCM if necessary.

8. How much does it cost to repair a P1702 code on a Mazda?

Repair costs can vary but typically range from $150 to $400, depending on whether the sensor needs replacement or if other components require attention.

9. Can a P1702 code trigger other transmission-related codes?

Yes, issues with the transmission range sensor can sometimes lead to additional codes related to transmission operation or gear selection errors.

10. Will clearing the P1702 code fix the problem?

Clearing the code may turn off the check engine light temporarily, but the underlying issue must be addressed to prevent the code from returning.

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