📖 What Does B0774 Mean?
Symptoms
- • Engine won't start
- • key fob not recognized
- • alarm system not disarmed
Common Causes
- • Faulty key fob
- • worn-out ignition switch
- • damaged immobilizer module
- • incorrect key fob battery
Possible Solutions
1. Check and replace the key fob battery if low. 2. Clean and inspect the ignition switch for corrosion or damage. 3. Check the immobilizer module for any signs of physical damage or corrosion. 4. If none of the above steps resolve the issue, replace the immobilizer module.
Fixing this on your car?
Get the exact oil type, fluid capacities, and torque specs for your specific vehicle before you start the repair.
❓ Common Questions About B0774
Can I drive with code B0774?
You can drive for a short time, but should address code B0774 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix B0774?
The estimated repair cost for code B0774 is between $50 and $200. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
Recommended Tools
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View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with B0774
B0772: Seat Adjustment Motor Fault
B0773: Exterior Lighting Malfunction
B0775: Audio System Malfunction
B0776: Airbag System Module (ASM) Internal 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