Engine-CodesCadillac – P0705 Cadillac

P0705 Cadillac Code - Transmission Range Sensor Circuit Malfunction

Quick Answer

The P0705 code for a Cadillac indicates a transmission range sensor circuit malfunction. Common causes include Faulty transmission range sensor, Wiring harness issues or shorts in the circuit, Corrosion or damage to the sensor connector. 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
P0705 Cadillac indicates Transmission Range Sensor Circuit Malfunction.
Common causes
Common causes include Faulty transmission range sensor, Wiring harness issues or shorts in the circuit, Corrosion or damage to the sensor connector.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0705 Cadillac Description

The P0705 code for a Cadillac indicates a transmission range sensor circuit malfunction. The transmission range sensor, also known as the neutral safety switch, is a crucial component that communicates with the vehicle's transmission control module to determine the gear position. This information is essential for proper shifting and operation of the transmission. When the sensor circuit malfunctions, it can lead to issues with gear selection, transmission shifting, and overall drivability of the vehicle.

OBDII Code P0705 Cadillac - Transmission Range Sensor Circuit Malfunction
P0705 Cadillac Code - Transmission Range Sensor Circuit Malfunction

Common Causes of P0705 Cadillac

  1. Faulty transmission range sensor
  2. Wiring harness issues or shorts in the circuit
  3. Corrosion or damage to the sensor connector
  4. Malfunctioning transmission control module
  5. Electrical faults within the transmission system

Symptoms of P0705 Cadillac

  1. Difficulty shifting gears or erratic shifting behavior
  2. Vehicle not starting or moving when the gear is engaged
  3. Check engine light illuminated on the dashboard
  4. Transmission slipping or jerking during gear changes
  5. Loss of power or acceleration issues

How to Fix P0705 Cadillac

  1. Begin by diagnosing the specific cause of the transmission range sensor circuit malfunction using a diagnostic scan tool.
  2. Inspect the wiring harness and sensor connector for any signs of damage, corrosion, or loose connections. Repair or replace as needed.
  3. Test the transmission range sensor to ensure it is functioning correctly. Replace the sensor if it is found to be faulty.
  4. Clear the diagnostic trouble codes from the vehicle's system and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnosis may be needed to identify any underlying issues with the transmission control module or other components.

Cost to Fix P0705 Cadillac

The typical repair costs for a transmission range sensor circuit malfunction can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of parts for a new transmission range sensor can range from $100 to $300, while labor costs can add an additional $100 to $200. Overall, the total repair costs for this issue could range from $200 to $500, but prices may vary depending on the vehicle's make and model, as well as the location and rates of the auto repair shop. It is advisable to consult with a professional mechanic for a more accurate estimate based on your specific circumstances.

When is the Code Detected?

The transmission range switch detects the selector lever position and sends a signal to the Powertrain Control Module (PCM).

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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.

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