This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP
B0874: B0874: Door Locks Actuator Malfunction
on 2020 Chevrolet SILVERADO 1500 PICKUP
Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners
Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does B0874 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?
Symptoms
- • Doors may not lock/unlock
- • door locks may be slow or unresponsive
- • or the door lock actuator may be making unusual noises.
Common Causes
- • Faulty door lock actuator
- • wiring issues
- • or a problem with the door lock module.
How to Fix B0874 on 2020 Chevrolet SILVERADO 1500 PICKUP
1. Disconnect the battery to reset the system. 2. Check and clean the door lock actuator and wiring. 3. Replace the door lock actuator if faulty. 4. Check and update the door lock module software if necessary.
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Shop Scanners ↗Related Diagnostic Codes
Other codes that may appear with B0874
B0872: Airbag System Error
B0873: Climate Control Fan Motor Malfunction
B0875: Power Window Regulator Circuit Malfunction
B0876: Seat Adjuster Motor Fault
💡 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