P0705 GMC Code - Transmission Range Sensor Circuit Malfunction
Quick Answer
The P0705 code for GMC vehicles indicates a transmission range sensor circuit malfunction. Common causes include Faulty transmission range sensor, Wiring or connector issues in the transmission range sensor circuit, Corrosion or damage to sensor connections. 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 GMC indicates Transmission Range Sensor Circuit Malfunction.
- Common causes
- Common causes include Faulty transmission range sensor, Wiring or connector issues in the transmission range sensor circuit, Corrosion or damage to sensor connections.
- 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 P0705 GMC Description
The P0705 code for GMC vehicles indicates a transmission range sensor circuit malfunction. The transmission range sensor, also known as the neutral safety switch, is responsible for detecting the gear position of the transmission and sending this information to the vehicle's engine control module (ECM). This sensor plays a crucial role in ensuring that the correct gear is selected and that the vehicle can start safely in the correct gear.
Common Causes of P0705 GMC
- Faulty transmission range sensor
- Wiring or connector issues in the transmission range sensor circuit
- Corrosion or damage to sensor connections
- ECM software or hardware issues
- Transmission fluid contamination or leaks affecting the sensor
Symptoms of P0705 GMC
- Difficulty starting the vehicle
- Incorrect gear selection or erratic shifting patterns
- Stalling or engine hesitation
- Check Engine Light illuminated
- Loss of power or acceleration issues
How to Fix P0705 GMC
- Diagnose the issue by using a scan tool to retrieve the fault code and perform a thorough inspection of the transmission range sensor and related components.
- Test the transmission range sensor for proper functionality and check the wiring and connectors for any signs of damage or corrosion.
- Replace the transmission range sensor if it is found to be faulty, ensuring proper alignment and connection.
- Clear the fault code from the ECM and perform a test drive to verify that the issue has been resolved.
- If the problem persists, further diagnosis may be needed to identify any underlying issues with the transmission or ECM.
Cost to Fix P0705 GMC
The cost of repairing a transmission range sensor circuit malfunction can vary depending on the extent of the issue and the specific parts required. On average, the cost for parts can range from $100 to $300, while labor costs can add an additional $100 to $200. It's important to note that diagnostic time and labor rates can vary, so it's recommended to check with local auto repair shops for a more accurate estimate.
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