B2745 2015 GMC Sierra Code - Traction Control Switch Circuit
Quick Answer
The Body Control Module (BCM) monitors the signal circuit from the traction control switch. Common causes include Faulty Multifunction Switch Instrument Panel, Multifunction Switch Instrument Panel harness is open or shorted, Multifunction Switch Instrument Panel 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
- B2745 2015 GMC Sierra indicates Traction Control Switch Circuit.
- Common causes
- Common causes include Faulty Multifunction Switch Instrument Panel, Multifunction Switch Instrument Panel harness is open or shorted, Multifunction Switch Instrument Panel 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 B2745 2015 GMC Sierra Description
When the traction control switch is pressed and held for 5 s, the body control module will request the electronic brake control module to disable the traction control and the electronic stability control. The electronic brake control module will request the instrument cluster via serial data to turn the traction control off and stability control off indicator ON to notify the driver of the deactivation. The Diagnostic Trouble Code (DTC) sets when the BCM detects a problem in the signal circuit.
What are the Possible Causes of the DTC B2745 2015 GMC Sierra?
- Faulty Multifunction Switch Instrument Panel
- Multifunction Switch Instrument Panel harness is open or shorted
- Multifunction Switch Instrument Panel circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B2745 2015 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2745 2015 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 B2745 2015 GMC Sierra Code
What does OBDII code B2745 mean on a 2015 GMC Sierra?
Code B2745 indicates a problem with the traction control switch circuit, which affects the functionality of the traction control system.
What are the symptoms of code B2745 on a 2015 GMC Sierra?
Symptoms may include the traction control system not functioning, the traction control warning light illuminated, or reduced stability in slippery conditions.
What causes code B2745 to appear on a 2015 GMC Sierra?
Common causes include a faulty traction control switch, damaged wiring or connectors in the traction control circuit, or an issue with the body control module (BCM).
Can I drive my 2015 GMC Sierra with code B2745 active?
While the vehicle may still be drivable, traction control may not function properly, increasing the risk during slippery or unstable driving conditions.
How do I diagnose code B2745 on a 2015 GMC Sierra?
Start by inspecting the traction control switch and its wiring for damage. Use a diagnostic scanner to check for related codes and test the circuit for continuity.
How can I fix code B2745 on a 2015 GMC Sierra?
Repairs may include replacing the traction control switch, repairing damaged wiring or connectors, or reprogramming or replacing the body control module (BCM).
How much does it cost to repair code B2745 on a 2015 GMC Sierra?
The repair cost varies depending on the issue, but it typically ranges from $100 to $500, depending on whether parts like the switch or BCM need replacement.
Can a weak battery cause code B2745 on a 2015 GMC Sierra?
Yes, low voltage or a weak battery can potentially cause electrical faults in circuits like the traction control switch circuit.
Will clearing the code B2745 fix the problem on a 2015 GMC Sierra?
Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to return.
Do I need a mechanic to fix code B2745 on a 2015 GMC Sierra?
If you are experienced with electrical diagnostics and repairs, you may be able to fix it yourself. Otherwise, it’s recommended to seek professional assistance for accurate diagnosis and repair.
Discuss the causes and fixes for B2745 2015 GMC Sierra OBDII Code
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