← View Generic B1797 Guide
Severity: Medium
🚗
Vehicle-Specific Guide
This guide is customized for your 2019 Ford F150 PICKUP
B1797: B1797: Exterior Lighting Malfunction
on 2019 Ford F150 PICKUP
Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
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 B1797 Mean on 2019 Ford F150 PICKUP?
The B1797 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
⚠️
Symptoms
- • Dim or inoperative exterior lights
- • warning lights on the dashboard
- • or unusual behavior of the lighting system.
🔍
Common Causes
- • Faulty headlight or taillight bulbs
- • wiring issues
- • or a malfunctioning lighting control module.
🛠️
How to Fix B1797 on 2019 Ford F150 PICKUP
Replace the faulty bulb(s), inspect and repair or replace wiring as needed, and update the lighting control module if necessary.
🔧
Need Maintenance Info for Your F150 PICKUP?
Get oil capacity, filter specs, and torque settings for your specific 2019 Ford F150 PICKUP.
View 2019 Ford F150 PICKUP SpecsParts for 2019 Ford F150 PICKUP
Essential Tool
🔗
Related Diagnostic Codes
Other codes that may appear with B1797
B1795
Sequential Code
B1795: Power Window Relay Circuit Malfunction
Medium
B1796
Sequential Code
B1796: Seat Position Sensor Circuit Malfunction
Medium
B1798
Sequential Code
B1798: Immobilizer System Malfunction
Medium
B1799
Sequential Code
B1799: Audio System Malfunction
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