B2725 2016 GMC Sierra Code - Transfer Case Range Selection Switch Circuit
Quick Answer
The Transfer Case Shift Control Switch (TCSCS) allows the driver to select between ranges. Common causes include Faulty Transfer Case Range Selection Switch, Transfer Case Range Selection Switch harness is open or shorted, Transfer Case Range Selection Switch circuit poor electrical connection. 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
- B2725 2016 GMC Sierra indicates Transfer Case Range Selection Switch Circuit.
- Common causes
- Common causes include Faulty Transfer Case Range Selection Switch, Transfer Case Range Selection Switch harness is open or shorted, Transfer Case Range Selection Switch circuit poor electrical connection.
- 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 B2725 2016 GMC Sierra Description
What are the Possible Causes of the DTC B2725 2016 GMC Sierra?
- Faulty Transfer Case Range Selection Switch
- Transfer Case Range Selection Switch harness is open or shorted
- Transfer Case Range Selection Switch circuit poor electrical connection
- Faulty Transfer Case Control Module
How to Fix the DTC B2725 2016 GMC Sierra?
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
B2725:07 Transfer Case Range Selection Switch Circuit High Voltage
B2725:08 Transfer Case Range Selection Switch Circuit Performance Signal Invalid
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2725 2016 GMC Sierra 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 B2725 2016 GMC Sierra Code
1. What does the OBDII code B2725 mean on a 2016 GMC Sierra?
B2725 indicates an issue with the Transfer Case Range Selection Switch Circuit, which is part of the system controlling the vehicle's transfer case and drive modes.
2. What are common symptoms of code B2725 in a 2016 GMC Sierra?
Symptoms may include the transfer case not shifting between ranges, the 4WD system not engaging, or the 4WD indicator light malfunctioning.
3. What causes the B2725 code to appear on a 2016 GMC Sierra?
Common causes include a faulty transfer case range selection switch, damaged wiring or connectors, or an issue with the transfer case control module (TCCM).
4. Can a dirty or corroded connector cause the B2725 code?
Yes, corrosion or dirt in the wiring harness or connectors can disrupt the circuit, leading to this code.
5. How do I diagnose the B2725 code on my 2016 GMC Sierra?
Start by inspecting the transfer case range selection switch, connectors, and wiring for damage or corrosion. Use a scan tool to verify the circuit signals and check for additional codes.
6. Is it safe to drive a 2016 GMC Sierra with the B2725 code?
While it may be drivable, the 4WD system might not function properly, which can be problematic in off-road or adverse driving conditions.
7. How is the B2725 code repaired on a 2016 GMC Sierra?
Repairs may involve replacing the transfer case range selection switch, repairing damaged wiring, cleaning corroded connectors, or reprogramming the TCCM if needed.
8. What tools are needed to fix the B2725 code?
You'll need a scan tool, a multimeter, and basic hand tools to diagnose and repair issues with the transfer case range selection circuit.
9. How much does it cost to fix the B2725 code on a 2016 GMC Sierra?
Costs vary depending on the issue but typically range from $150 to $500, including parts and labor, with higher costs if the TCCM needs replacement.
10. Can a B2725 code clear itself on a 2016 GMC Sierra?
It's unlikely to clear on its own. You’ll need to address the underlying issue and then use a scan tool to reset the code after repairs.
Discuss the causes and fixes for B2725 2016 GMC Sierra OBDII Code
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