P071A Chevrolet Code - Transmission Tow Mode Switch Circuit
Quick Answer
The P071A code for Chevrolet vehicles indicates a problem with the Transmission Tow Mode Switch Circuit. Common causes include Faulty Tow Mode Switch, Damaged wiring or connectors in the Tow Mode Switch Circuit, Corrosion or water damage in the circuit. 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
- P071A Chevrolet indicates Transmission Tow Mode Switch Circuit.
- Common causes
- Common causes include Faulty Tow Mode Switch, Damaged wiring or connectors in the Tow Mode Switch Circuit, Corrosion or water damage in the circuit.
- 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 P071A Chevrolet Description
The P071A code for Chevrolet vehicles indicates a problem with the Transmission Tow Mode Switch Circuit. This circuit is responsible for controlling the transmission's behavior when the vehicle is towing a trailer or hauling heavy loads. When this circuit malfunctions, it can lead to issues with the transmission's ability to shift properly, affecting the vehicle's performance and fuel efficiency.
Common Causes of P071A Chevrolet
- Faulty Tow Mode Switch
- Damaged wiring or connectors in the Tow Mode Switch Circuit
- Corrosion or water damage in the circuit
- Defective Transmission Control Module (TCM)
- Software issues in the TCM related to the Tow Mode Switch Circuit
Symptoms of P071A Chevrolet
- Erratic shifting behavior
- Harsh engagement when shifting gears
- Transmission slipping
- Decreased fuel efficiency
- Illumination of the Check Engine Light
How to Fix P071A Chevrolet
- Begin by diagnosing the exact cause of the P071A code using a scan tool to retrieve the specific fault codes.
- Inspect the Tow Mode Switch and its wiring for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
- Check the Transmission Control Module for any software issues related to the Tow Mode Switch Circuit. Update or reprogram the TCM if needed.
- Clear the fault codes from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be needed to pinpoint the exact cause, such as testing the circuit for continuity or resistance.
Cost to Fix P071A Chevrolet
The typical repair costs for addressing the P071A code related to the Transmission Tow Mode Switch Circuit can vary depending on the exact cause of the issue and the extent of the repairs needed. In general, the cost for parts and labor could range from $200 to $500. However, it is essential to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly. It is recommended to obtain quotes from local shops to get a more accurate estimate for the repair. Additionally, factors such as the vehicle make and model, as well as the location of the repair shop, can influence the final cost.
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Information for Specific Chevrolet Models
- P071A 2014 Chevrolet Silverado — Transmission Tow Mode Switch Circuit
- P071A 2015 Chevrolet Silverado — Transmission Tow Mode Switch Circuit
- P071A 2016 Chevrolet Silverado — Transmission Tow Mode Switch Circuit
- P071A 2017 Chevrolet Silverado — Transmission Tow Mode Switch Circuit
- P071A 2018 Chevrolet Silverado — Transmission Tow Mode Switch Circuit
Frequently Asked Questions about P071A Chevrolet Code
1. What does the OBDII code P071A mean in a Chevrolet?
P071A indicates an issue with the Transmission Tow Mode Switch Circuit, which controls the tow/haul mode for the vehicle's transmission.
2. What are the common symptoms of code P071A in a Chevrolet?
Symptoms may include the tow/haul mode not activating, erratic transmission behavior, or the tow/haul indicator light failing to illuminate.
3. What causes the P071A code in a Chevrolet?
Common causes include a faulty tow mode switch, damaged wiring or connectors in the circuit, or issues with the transmission control module (TCM).
4. Can I drive with the P071A code active in my Chevrolet?
You can drive the vehicle, but you may experience limited towing capabilities and possible transmission performance issues. It's best to address the issue promptly.
5. How is the P071A code diagnosed in a Chevrolet?
A mechanic will check the tow mode switch, inspect the wiring and connectors, and perform diagnostics on the transmission control module using a scan tool.
6. How do I fix the P071A code in a Chevrolet?
Repairs may include replacing the tow mode switch, repairing damaged wiring or connectors, or reprogramming or replacing the TCM.
7. How much does it cost to repair a P071A code in a Chevrolet?
Repair costs vary but may range from $100 to $300 for switch or wiring repairs, with higher costs if the TCM needs replacement.
8. Can a faulty tow mode switch cause other transmission problems?
Yes, if the tow mode circuit is malfunctioning, it can lead to improper transmission shifts and reduced towing performance.
9. How can I prevent the P071A code in my Chevrolet?
Regularly inspect the tow mode switch for damage and ensure the wiring and connectors are clean and secure.
10. Does the P071A code require reprogramming the transmission control module?
In some cases, if the problem is related to the TCM, reprogramming or replacing the module may be necessary.
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