This guide is customized for your 2019 Ford F150 PICKUP
C3790: C3790: Steering Column Lock Actuator Circuit Malfunction
on 2019 Ford F150 PICKUP
Important for 2019 Ford F150 PICKUP Owners
Before starting repairs, verify which engine your 2019 Ford F150 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does C3790 Mean on 2019 Ford F150 PICKUP?
Symptoms
- • Difficulty locking or unlocking the steering column
- • unusual noises or vibrations when turning the wheel
- • or the steering column becoming stuck.
Common Causes
- • Faulty steering column lock actuator
- • wiring issues
- • or a problem with the steering column lock switch.
How to Fix C3790 on 2019 Ford F150 PICKUP
1. Disconnect the battery to reset the system. 2. Check and clean the steering column lock actuator and switch. 3. Replace the faulty steering column lock actuator or switch if necessary. 4. Inspect and repair any damaged wiring.
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Related Diagnostic Codes
Other codes that may appear with C3790
Chassis System Code C3788 - Brake System
C3789: Front Left Lower Control Arm Fracture
C3791: Electronic Stability Control (ESC) Malfunction
C3792: Traction Control 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