P07BF 2016 GMC Sierra Code - Transmission Input Speed Sensor Circuit Low Voltage
Quick Answer
The P07BF diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the transmission input speed sensor circuit having low voltage. Common causes include Faulty transmission input speed sensor, Damaged wiring or connectors in the sensor circuit, TCM malfunction. 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
- P07BF 2016 GMC Sierra indicates Transmission Input Speed Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty transmission input speed sensor, Damaged wiring or connectors in the sensor circuit, TCM malfunction.
- 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 P07BF 2016 GMC Sierra Description
The P07BF diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the transmission input speed sensor circuit having low voltage. The transmission input speed sensor is responsible for monitoring the rotational speed of the input shaft inside the transmission. This information is crucial for the transmission control module (TCM) to determine the appropriate shift points and ensure smooth operation of the transmission.
Common Causes of P07BF 2016 GMC Sierra
- Faulty transmission input speed sensor
- Damaged wiring or connectors in the sensor circuit
- TCM malfunction
- Corrosion or poor connections in the circuit
- Electrical issues such as a blown fuse or relay
Symptoms of P07BF 2016 GMC Sierra
- Erratic shifting patterns
- Harsh shifts
- Transmission slipping
- Limp mode activation
- Check Engine Light illuminated
How to Fix P07BF 2016 GMC Sierra
- Begin by diagnosing the code using a scan tool to pinpoint the exact cause of the low voltage in the transmission input speed sensor circuit.
- Inspect the wiring and connectors for any damage or corrosion. Repair or replace as necessary.
- Test the transmission input speed sensor for proper functionality. Replace if faulty.
- Check the TCM for any malfunctions or software issues. Update or replace as needed.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P07BF 2016 GMC Sierra
The cost of repairing a transmission input speed sensor circuit with low voltage on a 2016 GMC Sierra can vary depending on the extent of the issue and the specific parts needed. Typically, the cost of a new transmission input speed sensor ranges from $50 to $150, while the labor for diagnosis and repair can add another $100 to $300. Overall, the total repair cost can range from $150 to $450. It's important to note that labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple sources for an accurate estimate.
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Frequently Asked Questions about P07BF 2016 GMC Sierra Code
1. What does the OBDII code P07BF mean on a 2016 GMC Sierra?
P07BF indicates a low voltage issue in the Transmission Input Speed Sensor Circuit, which measures the rotational speed of the transmission input shaft.
2. What are the common symptoms of code P07BF in a GMC Sierra?
Symptoms may include erratic shifting, transmission slipping, poor acceleration, or the check engine light being illuminated.
3. What causes the P07BF code to appear in a 2016 GMC Sierra?
Common causes include a faulty input speed sensor, damaged wiring or connectors, a short circuit, or a malfunctioning transmission control module (TCM).
4. Can I drive my 2016 GMC Sierra with the P07BF code active?
It’s not recommended, as driving with transmission issues can lead to further damage and reduced performance.
5. How do I diagnose the P07BF code in my GMC Sierra?
Start by inspecting the input speed sensor, wiring, and connectors for damage or corrosion. Use a multimeter to check voltage and continuity in the sensor circuit.
6. How do I fix the P07BF code on a 2016 GMC Sierra?
Repairs may involve replacing the input speed sensor, repairing damaged wiring or connectors, or reprogramming the transmission control module if necessary.
7. How much does it cost to fix the P07BF code on a GMC Sierra?
Repair costs can vary, but replacing the input speed sensor typically costs $150 to $300, including parts and labor.
8. Can a bad battery cause the P07BF code on a 2016 GMC Sierra?
While unlikely, a weak or failing battery can cause voltage inconsistencies, potentially triggering sensor-related codes like P07BF.
9. Does clearing the P07BF code fix the issue?
Clearing the code may turn off the check engine light temporarily, but the underlying problem must be addressed to prevent the code from returning.
10. Is the P07BF code covered under warranty for a 2016 GMC Sierra?
If your vehicle is still under powertrain warranty, this issue may be covered. Check with your dealership for warranty details.
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