← View Generic B0770 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B0770: B0770: Door Locks Actuator Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2021 Honda
PASSPORT
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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 B0770 Mean on 2021 Honda PASSPORT?
The Body Control Module (BCM) has detected a malfunction in the door lock actuator, preventing proper door lock operation.
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Symptoms
- • Door locks may not function
- • or may function intermittently
- • with symptoms including stuck or jammed doors
- • difficulty locking or unlocking doors
- • and unusual door lock sounds.
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Common Causes
- • Faulty door lock actuator
- • wiring issues
- • or a malfunctioning BCM.
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How to Fix B0770 on 2021 Honda PASSPORT
1. Disconnect the battery to reset the BCM. 2. Check and repair any wiring issues. 3. Replace the door lock actuator if faulty. 4. Update the BCM software if necessary.
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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
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Related Diagnostic Codes
Other codes that may appear with B0770
B0768
Sequential Code
B0768: Airbag System Fault
High
B0769
Sequential Code
B0769: Climate Control Fan Malfunction
Medium
B0771
Sequential Code
B0771: Power Window Relay Circuit Malfunction
Medium
B0772
Sequential Code
B0772: Seat Adjustment Motor Fault
Medium
💡 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