AutoCodes – Jeep – B1A0B Jeep

B1A0B Jeep Code - Remote Keyless Entry Fob 4 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: B1A0B Jeep indicates Remote Keyless Entry Fob 4 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,048

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1A0B 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 B1A0B Jeep - Remote Keyless Entry Fob 4 Performance - AutoCodes.com — B1A0B Jeep Code - Remote Keyless Entry Fob 4 Performance

What does this mean?

What are the Possible Causes of the DTC B1A0B 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 B1A0B 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 B1A0B 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 B1A0B Jeep code?

Need more information on how to fix the B1A0B Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1A0B Jeep code diagnosed by a professional: Find a repair shop in your area

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 B1A0B Jeep Code

1. What does the OBDII code B1A0B mean on a Jeep?

The B1A0B code indicates an issue with the performance of Remote Keyless Entry (RKE) Fob 4, which could mean a malfunction in the key fob or its communication with the vehicle.

2. What are common symptoms of the B1A0B code on a Jeep?

Symptoms include the fourth key fob not functioning properly, failure to lock/unlock doors, or difficulty starting the vehicle if the fob is used for push-button ignition.

3. What causes the B1A0B code to appear on a Jeep?

The primary causes include a weak or dead battery in the key fob, damage to the key fob, interference with the signal, or an issue with the vehicle's RKE module.

4. Can a low fob battery trigger the B1A0B code?

Yes, a low or dead battery in the key fob is one of the most common reasons for this code.

5. How can I fix the B1A0B code on my Jeep?

Start by replacing the battery in the affected key fob. If the issue persists, check for physical damage to the fob or have the RKE system inspected by a professional.

6. Can interference from electronics cause the B1A0B code?

Yes, signal interference from other electronics or devices near the vehicle can disrupt communication between the fob and the RKE module, triggering the code.

7. How do I know which key fob is causing the B1A0B code?

The code specifically refers to "Fob 4," which means the fourth programmed key fob for your Jeep. You may need to test each fob to identify the issue.

8. Is it safe to drive with the B1A0B code?

Yes, the vehicle can still be driven, but you may experience inconveniences such as difficulty locking/unlocking the car or starting it with the affected fob.

9. Will reprogramming the key fob fix the B1A0B code?

Reprogramming might resolve the issue if the fob has lost synchronization with the vehicle. Consult your Jeep dealership or a locksmith for assistance.

10. When should I replace the key fob to resolve the B1A0B code?

If replacing the battery and reprogramming donâ€™t resolve the issue, or if the fob shows signs of physical damage, replacing the key fob may be necessary.