P071A 2016 Chevrolet Silverado Code - Transmission Tow Mode Switch Circuit
Quick Answer
The P071A code on a 2016 Chevrolet Silverado refers to an issue with the Transmission Tow Mode Switch Circuit. Common causes include Faulty tow mode switch, Damaged wiring or connectors in the circuit, Malfunctioning PCM. 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 2016 Chevrolet Silverado indicates Transmission Tow Mode Switch Circuit.
- Common causes
- Common causes include Faulty tow mode switch, Damaged wiring or connectors in the circuit, Malfunctioning PCM.
- 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 2016 Chevrolet Silverado Description
The P071A code on a 2016 Chevrolet Silverado refers to an issue with the Transmission Tow Mode Switch Circuit. This code is triggered when the powertrain control module (PCM) detects a malfunction in the circuit that controls the transmission's tow/haul mode. The tow/haul mode is designed to optimize the transmission's performance when towing heavy loads or driving on steep terrain, enhancing overall driving experience and vehicle control.
Common Causes of P071A 2016 Chevrolet Silverado
- Faulty tow mode switch
- Damaged wiring or connectors in the circuit
- Malfunctioning PCM
- Corrosion or moisture in the circuit
- Electrical issues in the transmission control module
Symptoms of P071A 2016 Chevrolet Silverado
- Difficulty engaging or disengaging tow/haul mode
- Transmission slipping or shifting erratically
- Illuminated tow/haul mode indicator light on the dashboard
- Reduced fuel efficiency while towing
- Vehicle struggling to tow heavy loads or climb steep grades
How to Fix P071A 2016 Chevrolet Silverado
- Diagnostic Scan: Use a diagnostic scanner to retrieve the specific fault codes and pinpoint the exact issue with the transmission tow mode switch circuit.
- Visual Inspection: Inspect the tow mode switch, wiring, and connectors for any visible damage, corrosion, or loose connections.
- Test Tow Mode Switch: Test the functionality of the tow mode switch to determine if it is working correctly.
- Repair or Replace Components: Depending on the diagnosis, repair or replace any faulty components such as the tow mode switch, wiring, connectors, or PCM.
- Clear Codes and Test Drive: Clear the fault codes from the PCM, test drive the vehicle to ensure proper operation of the tow/haul mode, and verify that the code does not reappear.
Cost to Fix P071A 2016 Chevrolet Silverado
The typical repair costs for addressing the P071A code on a 2016 Chevrolet Silverado can range from $200 to $500, including parts and labor. Keep in mind that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. While most auto repair shops charge between $80 and $150 per hour for labor, rates may be higher at dealerships or in metropolitan areas, while independent shops often offer lower rates. It is advisable to obtain local quotes for a more accurate estimate of repair costs.
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