C0750:39 Code - Left Front Low Tire Pressure Sensor Internal Malfunction
Quick Answer
The Tire Pressure Monitor System (TPMS) has a Radio Frequency (RF) transmitting pressure sensor in each wheel/tire assembly. Common causes include Perform the Tire Pressure Indicator Sensor Learn, Faulty Left Front Low Tire Pressure Sensor, Left Front Low Tire Pressure Sensor harness is open or shorted. 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
- C0750:39 indicates Left Front Low Tire Pressure Sensor Internal Malfunction.
- Common causes
- Common causes include Perform the Tire Pressure Indicator Sensor Learn, Faulty Left Front Low Tire Pressure Sensor, Left Front Low Tire Pressure Sensor harness is open or shorted.
- 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.
Code C0750:39 Description
What are the Possible Causes of the DTC C0750:39?
- Perform the Tire Pressure Indicator Sensor Learn
- Faulty Left Front Low Tire Pressure Sensor
- Left Front Low Tire Pressure Sensor harness is open or shorted
- Left Front Low Tire Pressure Sensor circuit poor electrical connection
How to Fix the DTC C0750:39?
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.
Code Tech Notes
Some aftermarket wheel valve stem holes are located further from the wheel rim than the original equipment wheels. When using the tire pressure monitor special tool to activate a sensor, ensure the tool is placed along the tire sidewall and no further than 15 cm (6 in) from the sensor and the antenna is aiming upward.
Occasionally sensors can become mislocated due to previous tire rotations where the sensor learn procedure was not performed. Always learn the sensors to ensure the DTC set is for that actual physical corner of the vehicle.
A sensor with low battery condition will set a sensor DTC but will not illuminate the low tire pressure indicator or display a message on the driver information center if equipped. The sensor battery condition can be verified in the scan tool BCM data list. If a sensor's low battery condition is indicated on the scan tool, the sensor will need to be replaced.
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0750:39 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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Frequently Asked Questions about C0750:39 Code
1. What are the common symptoms of OBDII code C0750:39?
- Common symptoms include a warning light on the dashboard indicating low tire pressure, inaccurate tire pressure readings, and potential issues with the tire pressure monitoring system (TPMS).
2. What causes the OBDII code C0750:39 to trigger?
- This code is triggered when the left front low tire pressure sensor experiences an internal malfunction, which can be caused by sensor failure, wiring issues, or sensor calibration problems.
3. How can I diagnose the cause of OBDII code C0750:39?
- To diagnose the issue, you can use a diagnostic scanner to read the code, inspect the left front tire pressure sensor and its wiring for any visible damage, and perform a sensor calibration if necessary.
4. Can I continue driving with OBDII code C0750:39?
- It is not recommended to drive with this code, as inaccurate tire pressure readings can affect your vehicle's handling, fuel efficiency, and overall safety. It's best to address the issue promptly.
5. How can I repair OBDII code C0750:39?
- Repair options may include replacing the left front low tire pressure sensor, repairing any damaged wiring, or recalibrating the sensor to resolve the internal malfunction causing the code.
6. Is OBDII code C0750:39 a serious issue?
- While it may not affect the drivability of your vehicle, ignoring this code can lead to incorrect tire pressure readings and potential safety risks. It's important to address the issue to ensure proper tire pressure monitoring.
7. Can weather conditions affect OBDII code C0750:39?
- Extreme temperature fluctuations, moisture, or road salt exposure can sometimes impact tire pressure sensors, potentially leading to internal malfunctions and triggering this OBDII code.
8. How much does it cost to repair OBDII code C0750:39?
- The cost of repair can vary depending on the cause of the issue, the labor rates of the repair shop, and whether you choose to replace the sensor yourself or have it done by a professional technician.
9. Will resetting the OBDII code C0750:39 make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the malfunction is not addressed, the code is likely to return. It's important to diagnose and repair the root cause.
10. Can I prevent OBDII code C0750:39 from recurring?
- Regularly checking and maintaining proper tire pressure, avoiding harsh driving conditions, and ensuring the tire pressure monitoring system components are in good condition can help prevent the recurrence of this code.
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