AutoCodes – Generic – B1A0A

B1A0A Code - Remote Keyless Entry Fob 3 Performance

Quick Answer

The Totally Integrated Power Module (TIPM) monitors the Remote Keyless Entry (RKE) Fob Performance. Common causes include Excessive press from Keyless Entry Fob (RKE) transmitter when is out of range, Faulty Keyless Entry Fob (RKE) Transmitter, Faulty Totally Integrated Power Module (TIPM). Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B1A0A indicates Remote Keyless Entry Fob 3 Performance.
Common causes
Common causes include Excessive press from Keyless Entry Fob (RKE) transmitter when is out of range, Faulty Keyless Entry Fob (RKE) Transmitter, Faulty Totally Integrated Power Module (TIPM).
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 6,018
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 06, 2019
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Code B1A0A Description

The Totally Integrated Power Module (TIPM) monitors the Remote Keyless Entry (RKE) Fob Performance. The TIPM sets the OBDII code when scrambled messages to the Wireless Ignition Node (WIN) from the Remote Keyless Entry (RKE) transmitter is detected.
OBDII Code B1A0A - Remote Keyless Entry Fob 3 Performance - AutoCodes.com
B1A0A Code - Remote Keyless Entry Fob 3 Performance

What are the Possible Causes of the DTC B1A0A?

  • Excessive press from Keyless Entry Fob (RKE) transmitter when is out of range
  • Faulty Keyless Entry Fob (RKE) Transmitter
  • Faulty Totally Integrated Power Module (TIPM)

How to Fix the DTC B1A0A?

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 B1A0A 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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Information for Specific Makes

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 B1A0A Code

1. What are common symptoms of OBDII code B1A0A related to Remote Keyless Entry Fob 3 Performance?

The common symptoms include issues with the operation of the remote keyless entry fob, such as difficulty in locking/unlocking the vehicle or problems with the key fob's signal transmission.

2. What are the possible causes of OBDII code B1A0A for Remote Keyless Entry Fob 3 Performance?

Possible causes of this code can be a malfunctioning key fob, low battery in the key fob, issues with the key fob signal reception, or faults in the vehicle's keyless entry system.

3. How can I diagnose the problem associated with OBDII code B1A0A for Remote Keyless Entry Fob 3 Performance?

To diagnose the issue, you can start by checking the battery of the key fob, ensuring there are no obstructions blocking the signal transmission, and testing the keyless entry system with a different key fob if possible.

4. Can I repair OBDII code B1A0A related to Remote Keyless Entry Fob 3 Performance on my own?

Depending on the root cause of the issue, some repairs like replacing the key fob battery or reprogramming the key fob can be done DIY. However, for complex issues with the keyless entry system, it's recommended to seek professional help.

5. Is it safe to continue driving with OBDII code B1A0A affecting Remote Keyless Entry Fob 3 Performance?

While this issue may not affect the overall drivability of the vehicle, it can lead to inconvenience and potential security risks due to keyless entry system malfunctions. It's best to address the problem promptly to avoid any further complications.

6. How much does it typically cost to repair OBDII code B1A0A for Remote Keyless Entry Fob 3 Performance?

The cost of repair can vary depending on the specific cause of the issue. Simple fixes like replacing the key fob battery can be inexpensive, while more complex repairs involving the keyless entry system may be more costly.

7. Are there any preventive measures I can take to avoid encountering OBDII code B1A0A related to Remote Keyless Entry Fob 3 Performance?

Regularly checking the key fob battery, keeping the key fob clean and free from damage, and following the manufacturer's guidelines for key fob usage can help prevent issues with the keyless entry system.

8. Can extreme weather conditions affect the performance of the keyless entry system, leading to OBDII code B1A0A?

Yes, extreme temperatures or exposure to moisture can impact the functioning of the key fob and keyless entry system, potentially triggering OBDII code B1A0A. It's important to protect the key fob from such conditions.

9. How long does it usually take to repair OBDII code B1A0A for Remote Keyless Entry Fob 3 Performance?

The repair time can vary depending on the complexity of the issue and the availability of parts. Simple fixes like replacing the key fob battery can be done quickly, while more involved repairs may take longer.

10. Will resetting the vehicle's computer system help clear OBDII code B1A0A related to Remote Keyless Entry Fob 3 Performance?

Resetting the computer system may temporarily clear the code, but if the underlying issue with the key fob or keyless entry system persists, the code is likely to reappear. It's best to diagnose and address the root cause of the problem.

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