This guide is customized for your 2021 Honda PASSPORT
B0346: B0346: Door Locks Actuator Circuit 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 B0346 Mean on 2021 Honda PASSPORT?
Symptoms
- • Door locks won't lock or unlock
- • door lock lights flashing on the dashboard
- • or a combination of these symptoms.
Common Causes
- • Faulty door lock actuator
- • wiring issues
- • door lock module failure
- • or a problem with the door lock switch.
How to Fix B0346 on 2021 Honda PASSPORT
1. Check the door lock actuator for any signs of physical damage or corrosion. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion. Repair or replace as needed. 3. Test the door lock module to ensure it's functioning properly. Replace if necessary. 4. Check the door lock switch for any signs of wear or damage. Clean or replace as needed.
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Related Diagnostic Codes
Other codes that may appear with B0346
B0344: Airbag System Circuit Short to Ground
B0345: Climate Control Fan Motor Fault
B0347: Power Window Regulator Malfunction
B0348: Seat Switch Circuit 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