This guide is customized for your 2021 Honda PASSPORT
B0598: B0598: Immobilizer System Malfunction
on 2021 Honda PASSPORT
Important for 2021 Honda PASSPORT Owners
Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does B0598 Mean on 2021 Honda PASSPORT?
Symptoms
- • Vehicle will not start
- • key fob does not recognize
- • or immobilizer light is illuminated on the dashboard.
Common Causes
- • Faulty immobilizer module
- • key fob
- • or antenna
- • low battery voltage
- • or incorrect key fob programming.
How to Fix B0598 on 2021 Honda PASSPORT
1. Check the key fob battery level and replace if necessary. 2. Check the immobilizer module and antenna for any signs of physical damage or corrosion. 3. Use a scan tool to clear the code and test the immobilizer system. 4. If the issue persists, reprogram the key fob or replace the immobilizer module.
Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
Essential Tool
Related Diagnostic Codes
Other codes that may appear with B0598
B0596: Seat Adjustment Actuator Malfunction
B0597: Turn Signal Lamp Malfunction
B0599: Audio System Malfunction
B0600: Airbag System Malfunction
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system