B1A12 Code - Remote Keyless Entry Fob 3 Battery Low
Quick Answer
The Totally Integrated Power Module (TIPM) monitors the Remote Keyless Entry (RKE) Fob. Common causes include Low Keyless Entry Fob (RKE) Transmitter Battery, 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
- B1A12 indicates Remote Keyless Entry Fob 3 Battery Low.
- Common causes
- Common causes include Low Keyless Entry Fob (RKE) Transmitter Battery, 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.
Code B1A12 Description
What are the Possible Causes of the DTC B1A12?
- Low Keyless Entry Fob (RKE) Transmitter Battery
- Faulty Keyless Entry Fob (RKE) Transmitter
- Faulty Totally Integrated Power Module (TIPM)
How to Fix the DTC B1A12?
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 B1A12 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
- B1A12 Chrysler — Remote Keyless Entry Fob 3 Battery Low
- B1A12 Dodge — Remote Keyless Entry Fob 3 Battery Low
- B1A12 Ford — Speaker 12 General Electric Failure
- B1A12 Jeep — Remote Keyless Entry Fob 3 Battery Low
- B1A12 Lincoln — Speaker 12 General Electric Failure
- B1A12 Mercury — Speaker 12 General Electric Failure
- B1A12 RAM — Remote Keyless Entry Fob 3 Battery Low
Frequently Asked Questions about B1A12 Code
1. What are the common symptoms of OBDII code B1A12 (Remote Keyless Entry Fob 3 Battery Low)?
The common symptoms include difficulty in unlocking or locking the vehicle using the remote keyless entry fob, intermittent functionality, and a warning light on the dashboard indicating a low battery.
2. What causes the OBDII code B1A12 to trigger?
The code B1A12 is triggered when the remote keyless entry fob's battery is low and needs to be replaced.
3. How can I diagnose if the OBDII code B1A12 is due to a low battery in the remote keyless entry fob?
You can diagnose this issue by trying to unlock or lock your vehicle using the spare remote keyless entry fob. If the spare fob works fine, then the issue is likely due to a low battery in the original fob.
4. Can I replace the battery in the remote keyless entry fob myself?
Yes, replacing the battery in the remote keyless entry fob is typically a simple process that you can do yourself. Refer to your vehicle's owner's manual for instructions on how to replace the battery.
5. How often should I replace the battery in the remote keyless entry fob to prevent the OBDII code B1A12 from appearing?
It is recommended to replace the battery in the remote keyless entry fob every 1-2 years or as soon as you notice a decrease in functionality.
6. Will replacing the battery in the remote keyless entry fob make the OBDII code B1A12 disappear?
Yes, once you replace the battery in the remote keyless entry fob, the code B1A12 should disappear. You may need to clear the code using an OBDII scanner if it does not reset automatically.
7. Can a faulty remote keyless entry fob cause other issues besides triggering the OBDII code B1A12?
Yes, a faulty remote keyless entry fob can cause issues such as intermittent door locking/unlocking, inability to start the vehicle remotely, and other related functions not working properly.
8. Are there any tips to extend the life of the battery in the remote keyless entry fob?
To extend the battery life, you can avoid continuously pressing the buttons on the fob, store the fob away from extreme temperatures, and replace the battery proactively rather than waiting for it to die completely.
9. Will the OBDII code B1A12 affect the overall drivability of the vehicle?
The OBDII code B1A12 related to a low battery in the remote keyless entry fob does not affect the drivability of the vehicle. It is more of a convenience issue related to the keyless entry system.
10. Is it necessary to reprogram the remote keyless entry fob after replacing the battery?
In most cases, replacing the battery in the remote keyless entry fob does not require reprogramming. However, refer to your vehicle's manual or contact a dealership for specific instructions if needed.
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