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Engine-Codes – Generic – P179E

P179E Code - Drive Range Sensor Electrical

Quick Answer

The P179E diagnostic trouble code (DTC) refers to an issue with the Drive Range Sensor Electrical circuit. Common causes include Faulty Drive Range Sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting sensor operation. 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
P179E indicates Drive Range Sensor Electrical .
Common causes
Common causes include Faulty Drive Range Sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting sensor operation.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P179E Description

The P179E diagnostic trouble code (DTC) refers to an issue with the Drive Range Sensor Electrical circuit. This sensor is responsible for detecting the current gear position of the vehicle and transmitting this information to the engine control module (ECM). When this sensor malfunctions or fails, it can lead to a variety of performance issues and potentially cause long-term damage if left unaddressed.

OBDII Code P179E - Drive Range Sensor Electrical
P179E Code - Drive Range Sensor Electrical

Common Causes of P179E

  1. Faulty Drive Range Sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or debris affecting sensor operation
  4. ECM software issues
  5. Mechanical issues within the transmission system

Symptoms of P179E

  1. Erratic shifting or difficulty changing gears
  2. Harsh or delayed gear changes
  3. Transmission slipping or jerking
  4. Check Engine Light illuminated
  5. Reduced fuel efficiency

How to Fix P179E

  1. Diagnose the issue using a scan tool to confirm the P179E code and pinpoint the exact cause of the problem.
  2. Inspect the Drive Range Sensor, wiring, and connectors for any visible damage or corrosion. Replace any faulty components.
  3. Clear the DTC and reset the ECM to see if the code returns after repairs.
  4. Test drive the vehicle to ensure proper operation of the transmission system and verify that the symptoms have been resolved.
  5. If the issue persists, further diagnostics may be necessary to identify any underlying mechanical problems within the transmission.

Cost to Fix P179E

The cost of repairing a Drive Range Sensor Electrical issue can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the parts for this repair can range from $100 to $300, while labor costs can add another $100 to $200. Overall, the total repair cost for addressing a P179E code typically falls between $200 and $500. However, it's important to note that these estimates can fluctuate based on factors such as location, vehicle make and model, and the rates charged by individual auto repair shops. It's recommended to obtain quotes from local shops to get a more accurate cost estimate for this repair.

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Code P179E Information for Specific Makes

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 P179E Code

1. What does OBDII code P179E mean?

P179E indicates an electrical issue with the Drive Range Sensor, which monitors the position of the gear selector.

2. What are the common symptoms of code P179E?

Symptoms may include erratic shifting, the transmission stuck in one gear, the gear indicator not matching the actual gear, or the check engine light being illuminated.

3. What causes the P179E code to appear?

Common causes include a faulty Drive Range Sensor, damaged wiring or connectors, corrosion, or an issue with the transmission control module (TCM).

4. Can I drive with code P179E?

Driving with this code can result in erratic shifting or transmission issues, potentially causing unsafe driving conditions. It’s best to address it promptly.

5. How is the P179E code diagnosed?

A technician will use a scan tool to verify the code, inspect the Drive Range Sensor and its wiring for damage or corrosion, and test the sensor’s electrical signals.

6. How do you fix the P179E code?

Repairs may involve replacing the Drive Range Sensor, repairing or replacing damaged wiring, cleaning corroded connections, or reprogramming the TCM if necessary.

7. How much does it cost to fix code P179E?

Repair costs vary but typically range from $150 to $400, depending on whether the sensor, wiring, or other components need to be replaced.

8. Can a faulty Drive Range Sensor cause transmission damage?

Yes, if left unaddressed, it can lead to improper shifting, which may strain or damage the transmission over time.

9. What tools are needed to fix code P179E?

Basic tools include a scan tool, multimeter, and potentially specialty tools for accessing or replacing the sensor.

10. Can a software update fix the P179E code?

In some cases, a TCM software update can resolve the issue if it’s caused by a software-related fault rather than a hardware problem.

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