B3111 2018 Chevrolet Silverado Code - Keyless Entry Transmitter 3 Battery
Quick Answer
With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the Remote Control Door Lock Receiver (RCDLR), along with the commanded keyless entry function. Common causes include Low Keyless Entry Transmitter Battery, Faulty Keyless Entry Transmitter. 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
- B3111 2018 Chevrolet Silverado indicates Keyless Entry Transmitter 3 Battery.
- Common causes
- Common causes include Low Keyless Entry Transmitter Battery, Faulty Keyless Entry Transmitter.
- 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 B3111 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3111 2018 Chevrolet Silverado?
- Low Keyless Entry Transmitter Battery
- Faulty Keyless Entry Transmitter
How to Fix the DTC B3111 2018 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 B3111 2018 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 B3111 2018 Chevrolet Silverado code?
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Frequently Asked Questions about B3111 2018 Chevrolet Silverado Code
1. What does the OBDII code B3111 mean on a 2018 Chevrolet Silverado?
The code B3111 indicates an issue with the battery in the third keyless entry transmitter, which may be low, dead, or malfunctioning.
2. What are the symptoms of code B3111 in a 2018 Chevrolet Silverado?
Symptoms include difficulty using the third keyless entry transmitter, inability to unlock or start the vehicle remotely, or intermittent transmitter functionality.
3. What causes the B3111 code in a Chevrolet Silverado?
The most common cause is a depleted or faulty battery in the third keyless entry transmitter. Other potential causes include damage to the transmitter or interference from nearby electronic devices.
4. How can I fix code B3111 on my 2018 Chevrolet Silverado?
Replace the battery in the third keyless entry transmitter with a compatible battery, ensuring correct installation. If the issue persists, check for physical damage to the transmitter.
5. How do I identify the third keyless entry transmitter for code B3111?
The third transmitter is typically the third key fob programmed to the vehicle. You can identify it by testing each transmitter to see which one fails to function properly.
6. Can code B3111 affect my ability to start the truck?
If the issue occurs with the primary transmitter you use, it may affect your ability to start the vehicle using the remote start feature. However, the physical key should still work.
7. What type of battery does the keyless entry transmitter for a 2018 Chevrolet Silverado use?
Most Chevrolet Silverado keyless entry transmitters use a coin-style battery, such as a CR2032. Consult your vehicle manual to confirm the correct type.
8. Can interference from other electronics trigger code B3111?
Yes, strong electromagnetic interference from devices like wireless routers, cell phones, or other transmitters can sometimes disrupt keyless entry signals, though this is less common.
9. Is it necessary to reprogram the key fob after replacing the battery for code B3111?
No, replacing the battery does not usually require reprogramming unless the transmitter has been damaged or lost synchronization with the vehicle.
10. How do I reset the B3111 code after fixing the issue?
After replacing the battery or resolving the issue, clear the B3111 code using an OBDII scanner. If the problem is fixed, the code should not return.
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