B0174
B0174: Body Control Module (BCM) Security System Malfunction
📖 What Does B0174 Mean?
Symptoms
- • Engine light on
- • security system alarm sounds
- • doors and trunk may be locked or unlocked randomly
- • some features may be disabled
Common Causes
- • Faulty BCM
- • damaged or corroded wiring
- • malfunctioning security sensors
- • incorrect BCM programming
Possible Solutions
1. Check for loose or corroded wiring and clean or replace as needed. 2. Check BCM programming and update if necessary. 3. Replace faulty security sensors. 4. Re-program the BCM if necessary.
❓ Common Questions About B0174
Can I drive with code B0174?
You can drive for a short time, but should address code B0174 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix code B0174?
The estimated repair cost for code B0174 is between $200 and $500. This includes parts and labor. Prices may vary based on your vehicle's make and model.
Is code B0174 easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. If you are not an experienced mechanic, professional help is recommended.
Required Parts
Tools
Need a Pro?
Complex codes like B0174 can be tricky. Don't risk it if you're unsure.
Quick Stats
Related Diagnostic Codes
Other codes that may appear with B0174
B0172: Seat Switch Circuit Malfunction
B0173: Exterior Light Malfunction
B0175: Audio System Malfunction
B0176: Airbag 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