AutoCodes – Jeep – B1A09 Jeep

B1A09 Jeep Code - Remote Keyless Entry Fob 2 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: B1A09 Jeep indicates Remote Keyless Entry Fob 2 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 6,015

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Basic DIY (1 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 06, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1A09 Jeep 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 B1A09 Jeep - Remote Keyless Entry Fob 2 Performance - AutoCodes.com — B1A09 Jeep Code - Remote Keyless Entry Fob 2 Performance

What does this mean?

What are the Possible Causes of the DTC B1A09 Jeep?

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 B1A09 Jeep?

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 B1A09 Jeep 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 B1A09 Jeep code?

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Need Help with the Code?

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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 B1A09 Jeep Code

1. What does OBDII code B1A09 for Jeep Remote Keyless Entry Fob 2 Performance indicate?

This code indicates a performance issue with the second keyless entry fob in your Jeep.

2. What are the common symptoms of OBDII code B1A09 in a Jeep?

Common symptoms include non-responsive keyless entry functions, difficulty locking/unlocking the vehicle remotely, and issues with starting the engine.

3. What are possible causes of OBDII code B1A09 in a Jeep?

Potential causes include a faulty keyless entry fob, weak battery in the fob, programming errors, or problems with the vehicle's receiver unit.

4. How can I diagnose the issue related to OBDII code B1A09 in my Jeep?

You can start by checking the battery in the keyless entry fob, ensuring the fob is properly programmed, and inspecting the receiver unit for any visible damage.

5. Can I repair OBDII code B1A09 in my Jeep on my own?

Repairing this issue may require simple troubleshooting steps like replacing the fob battery or reprogramming the fob. If the issue persists, seeking professional help may be necessary.

6. Is it safe to continue driving my Jeep with OBDII code B1A09 present?

While the code itself does not pose a direct safety risk, it may lead to inconvenience due to keyless entry system malfunctions. It is recommended to address the issue promptly.

7. What is the typical cost to repair OBDII code B1A09 in a Jeep?

The cost of repair can vary depending on the specific cause of the issue. Simple fixes like replacing the fob battery may be inexpensive, while more complex repairs could be pricier.

8. Can resetting the vehicle's computer system resolve OBDII code B1A09 in a Jeep?

Resetting the computer system may temporarily clear the code, but if the underlying issue with the keyless entry fob or receiver unit persists, the code is likely to return.

9. Are there any preventive measures to avoid OBDII code B1A09 in a Jeep?

Regularly checking the condition of keyless entry fobs, replacing fob batteries proactively, and following proper programming procedures can help prevent this issue.

10. Does OBDII code B1A09 affect the overall functionality of my Jeep's keyless entry system?

Yes, this code can impact the performance of the keyless entry system, leading to difficulties in using remote functions such as locking, unlocking, and starting the vehicle.