This guide is customized for your 2018 BMW X5
B1117: B1117: Malfunction of Front Turn Signal Lamp
on 2018 BMW X5
Important for 2018 BMW X5 Owners
Before starting repairs, verify which engine your 2018 BMW X5 has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does B1117 Mean on 2018 BMW X5?
Symptoms
- • Inoperative front turn signal lamp
- • or a flashing or dimming of the lamp
Common Causes
- • Faulty front turn signal lamp bulb
- • wiring issue
- • faulty turn signal switch
- • or a problem with the turn signal module
How to Fix B1117 on 2018 BMW X5
1. Check the front turn signal lamp bulb for proper function and replace if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion and repair or replace as needed. 3. Check the turn signal switch for proper function and replace if necessary. 4. Check the turn signal module for proper function and replace if necessary.
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Related Diagnostic Codes
Other codes that may appear with B1117
B1115: Power Window Relay Circuit Malfunction
B1116: Seat Switch Circuit Malfunction
B1118: Immobilizer System Malfunction
B1119: Audio 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