AutoCodes – Chevrolet – B302A 2014 Chevrolet Silverado

B302A 2014 Chevrolet Silverado Code - Mobile Telephone Communications Interface Requested Immobilization

Quick Answer

As part of the vehicle telematics enhanced services, a request may be sent to the Body Control Module (BCM) to disable vehicle starting. Common causes include Contact OnStar. 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: B302A 2014 Chevrolet Silverado indicates Mobile Telephone Communications Interface Requested Immobilization.
Common causes: Common causes include Contact OnStar.
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 Popularity 263

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jun 02, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B302A 2014 Chevrolet Silverado Description

As part of the vehicle telematics enhanced services, a request may be sent to the Body Control Module (BCM) to disable vehicle starting. If a valid message is received by the BCM requesting that starting be disabled, the start enable message will not be sent to the Engine Control Module (ECM).

OBDII Code B302A 2014 Chevrolet Silverado - Mobile Telephone Communications Interface Requested Immobilization - AutoCodes.com — B302A 2014 Chevrolet Silverado Code - Mobile Telephone Communications Interface Requested Immobilization

What does this mean?

What are the Possible Causes of the DTC B302A 2014 Chevrolet Silverado?

Contact OnStar

How to Fix the DTC B302A 2014 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 does this mean?

Code Tech Notes

1. Verify the OnStar system is not damaged and is operating properly, with no DTCs set. If the OnStar system is damaged, or inoperative, or any OnStar DTCs are set These concerns must be corrected before the start disable can be removed. If the OnStar system is not damaged and is operating properly go step 2.
2. Press the blue OnStar button and ask the advisor to be transferred to the stolen vehicle team to verify the vehicle account has been updated.
3. Verify that OnStar is aware the vehicle has been recovered and that the vehicle account has been updated. If OnStar has not been notified that the vehicle has been recovered Contact the customer and advise them that for security purposes, they must contact OnStar and the law enforcement agency to update the vehicle account. If the account has been properly updated go to step 4.
4. Once the vehicle account has been updated and the start disable request has been removed, DTC B302A will transition to a history DTC. Clear the DTC history.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B302A 2014 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 B302A 2014 Chevrolet Silverado code?

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Need Help with the Code?

Get the B302A 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B302A 2014 Chevrolet Silverado Code

1. What does OBDII code B302A mean for a 2014 Chevrolet Silverado?

The code B302A on a 2014 Chevrolet Silverado refers to "Mobile Telephone Communications Interface Requested Immobilization."

2. What are the common symptoms of OBDII code B302A in a 2014 Chevrolet Silverado?

Common symptoms of code B302A may include issues with the mobile telephone communications interface, immobilization requests, or difficulties starting the vehicle.

3. What are the possible causes of OBDII code B302A in a 2014 Chevrolet Silverado?

Possible causes of code B302A can include faulty communication modules, wiring issues, software glitches, or problems with the immobilizer system.

4. How can I diagnose OBDII code B302A in my 2014 Chevrolet Silverado?

Diagnosing code B302A may require using a professional OBDII scanner to retrieve the specific fault codes, checking the mobile communication interface components, and inspecting wiring connections for any damage.

5. Can I still drive my 2014 Chevrolet Silverado with OBDII code B302A?

It is not recommended to drive your vehicle with an active immobilization-related fault code like B302A, as it may lead to potential starting or operational issues.

6. How can I repair OBDII code B302A in my 2014 Chevrolet Silverado?

Repairing code B302A may involve resetting the fault code with a scanner, checking and repairing any wiring faults, replacing faulty communication modules, or reprogramming the immobilization system.

7. Can a DIY enthusiast fix OBDII code B302A in a 2014 Chevrolet Silverado?

While some basic troubleshooting steps can be taken by a DIY enthusiast, diagnosing and repairing complex electrical issues related to code B302A may require professional expertise.

8. Is OBDII code B302A a serious issue in a 2014 Chevrolet Silverado?

Code B302A can potentially cause inconvenience and immobilization of the vehicle, so it is advisable to address this issue promptly to ensure the car's proper operation.

9. How much does it cost to fix OBDII code B302A in a 2014 Chevrolet Silverado?

The cost of fixing code B302A can vary depending on the underlying cause, parts needed for replacement, and labor charges at a repair shop. It is recommended to get quotes from different mechanics for an accurate estimate.

10. How often does OBDII code B302A occur in a 2014 Chevrolet Silverado?

The occurrence of code B302A can vary from vehicle to vehicle and may be influenced by factors such as the condition of the communication interface components, software updates, and general vehicle maintenance.