AutoCodes – RAM – B1A13 RAM

B1A13 RAM Code - Remote Keyless Entry Fob 4 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
B1A13 RAM indicates Remote Keyless Entry Fob 4 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.
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Code Popularity 633
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 B1A13 RAM Description

The Totally Integrated Power Module (TIPM) monitors the Remote Keyless Entry (RKE) Fob. The TIPM sets the OBDII code when the Wireless Ignition Node (WIN) senses that the RKE transmitter signal is not as strong as it ought to be.
OBDII Code B1A13 RAM - Remote Keyless Entry Fob 4 Battery Low - AutoCodes.com
B1A13 RAM Code - Remote Keyless Entry Fob 4 Battery Low

What are the Possible Causes of the DTC B1A13 RAM?

  • Low Keyless Entry Fob (RKE) Transmitter Battery
  • Faulty Keyless Entry Fob (RKE) Transmitter
  • Faulty Totally Integrated Power Module (TIPM)

How to Fix the DTC B1A13 RAM?

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 B1A13 RAM 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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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 B1A13 RAM Code

1. What are the common symptoms of OBDII code B1A13 RAM related to Remote Keyless Entry Fob 4 Battery Low?

The common symptoms include a warning message on the instrument cluster indicating low battery in the remote keyless entry fob and potential issues with the functionality of the key fob.

2. What are the possible causes of OBDII code B1A13 RAM for Remote Keyless Entry Fob 4 Battery Low?

The code B1A13 RAM typically indicates a low battery level in the remote keyless entry fob, which can be caused by a drained or weak battery in the fob itself.

3. How can I resolve the OBDII code B1A13 RAM for Remote Keyless Entry Fob 4 Battery Low?

To resolve this code, you can start by replacing the battery in the remote keyless entry fob with a new one. If the issue persists after battery replacement, it may indicate a more significant problem with the key fob or the vehicle's system that requires further diagnosis.

4. Can a low battery in the remote keyless entry fob cause other issues in the vehicle?

Yes, a low battery in the remote keyless entry fob can potentially cause intermittent or complete loss of functionality with locking/unlocking the doors, activating the alarm system, and starting the vehicle using the keyless ignition system.

5. How often should I replace the battery in the remote keyless entry fob to prevent OBDII code B1A13 RAM from appearing?

It is recommended to replace the battery in the remote keyless entry fob at least once a year or as soon as you notice any decrease in the fob's performance to prevent triggering code B1A13 RAM for Remote Keyless Entry Fob 4 Battery Low.

6. Is it possible to reset the OBDII code B1A13 RAM related to Remote Keyless Entry Fob 4 Battery Low without replacing the key fob battery?

In some cases, resetting the code may be possible by disconnecting the vehicle's battery for a few minutes and reconnecting it. However, it is generally recommended to address the root cause by replacing the key fob battery to prevent future occurrences of the code.

7. Can a malfunctioning vehicle battery cause the OBDII code B1A13 RAM to appear for Remote Keyless Entry Fob 4 Battery Low?

While a weak or failing vehicle battery can potentially impact various vehicle systems, code B1A13 RAM specifically relates to the battery level in the remote keyless entry fob. It is advisable to address the key fob battery first before investigating other possible causes.

8. How do I know if the OBDII code B1A13 RAM for Remote Keyless Entry Fob 4 Battery Low is specific to one key fob or multiple key fobs?

If the warning message persists even after replacing the battery in one key fob, you may need to test other key fobs associated with the vehicle to determine if the issue lies with a particular fob or a more widespread issue with the vehicle's system.

9. Are there any DIY methods to test the battery level in the remote keyless entry fob before replacing it?

Some key fobs have a built-in feature that allows you to check the battery level by pressing specific buttons or using a key sequence. Refer to your vehicle's owner's manual or contact the manufacturer for instructions on how to test the key fob battery level.

10. Can a faulty key fob itself trigger the OBDII code B1A13 RAM for Remote Keyless Entry Fob 4 Battery Low?

Yes, a faulty key fob with internal issues such as circuitry problems or physical damage can potentially trigger the code B1A13 RAM even if the battery is in good condition. If replacing the battery does not resolve the issue, it may indicate a problem with the key fob that requires further inspection or replacement.

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