B2955 2016 Chevrolet Silverado Code - Security Sensor Data Circuit Malfunction
Quick Answer
When an ignition key is inserted into the ignition lock cylinder and the ignition is switched ON, the transponder embedded in the key is energized by the exciter coil surrounding the ignition lock cylinder. Common causes include Faulty Immobilizer Control Module, Immobilizer Control Module harness is open or shorted, Immobilizer Control Module 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
- B2955 2016 Chevrolet Silverado indicates Security Sensor Data Circuit Malfunction.
- Common causes
- Common causes include Faulty Immobilizer Control Module, Immobilizer Control Module harness is open or shorted, Immobilizer Control Module 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 B2955 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC B2955 2016 Chevrolet Silverado?
- Faulty Immobilizer Control Module
- Immobilizer Control Module harness is open or shorted
- Immobilizer Control Module circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B2955 2016 Chevrolet Silverado?
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 B2955 2016 Chevrolet Silverado 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.
Need more information about the B2955 2016 Chevrolet Silverado code?
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Frequently Asked Questions about B2955 2016 Chevrolet Silverado Code
1. What does the OBDII code B2955 mean for a 2016 Chevrolet Silverado?
The B2955 code indicates a malfunction in the security sensor data circuit, which is part of the vehicle’s anti-theft system.
2. What are the common symptoms of the B2955 code in a 2016 Silverado?
Symptoms may include the vehicle failing to start, the security light staying on or flashing, and issues with the anti-theft system.
3. What causes the B2955 code to appear?
Common causes include a faulty ignition key or transponder, a damaged security sensor, corroded wiring, or a malfunctioning body control module (BCM).
4. Can I drive my 2016 Silverado with the B2955 code?
It may be difficult or impossible to drive, as this code often prevents the engine from starting due to the anti-theft system being activated.
5. How do I diagnose the B2955 code?
Diagnosis involves checking the key fob and ignition cylinder, inspecting wiring and connectors in the security system, and using a scan tool to monitor the BCM for additional fault codes.
6. What repairs fix the B2955 code?
Repairs may include reprogramming or replacing the key or transponder, repairing or replacing damaged wiring, or replacing the security sensor or BCM.
7. How much does it cost to fix the B2955 code?
Costs vary but can range from $100 to $500, depending on whether a key needs to be reprogrammed or components like the BCM need replacement.
8. Can a dead battery trigger the B2955 code?
Yes, a dead or low battery can disrupt the security system, potentially triggering the B2955 code.
9. Does the B2955 code require professional repair?
While some issues like key reprogramming may require a professional, basic checks like inspecting wiring can be done by experienced DIYers.
10. How can I prevent the B2955 code from recurring?
Ensure the key and ignition components are in good condition, regularly inspect wiring for damage or corrosion, and keep the battery fully charged.
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