📖 What Does B0142 Mean?
Symptoms
- • Vehicle won't start
- • won't run
- • or has intermittent starting issues
Common Causes
- • Faulty immobilizer key fob
- • keyless entry system
- • faulty vehicle computer
- • or wiring issues
Possible Solutions
1. Check the key fob's battery level and replace it if necessary. 2. Check the keyless entry system for any issues. 3. Check the vehicle computer for any errors or faults. 4. Check the wiring harness for any damage or corrosion.
Fixing this on your car?
Get a vehicle-specific repair guide with exact parts, oil specs, and torque settings for your make and model.
🚙 Get Vehicle-Specific Fix Guide
Select your vehicle to see a customized repair guide with exact parts and specifications:
❓ Common Questions About B0142
Can I drive with code B0142?
No, it is not recommended. Seeing code B0142 indicates a serious issue that could damage your engine or transmission if ignored. You should stop driving and have it inspected immediately.
How much does it cost to fix B0142?
The estimated repair cost for code B0142 is between $200 and $500. 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
Need a Pro?
Complex codes like B0142 can be tricky. Don't risk it if you're unsure.
Recommended Tool
Professional OBD2 Scanner
Read & clear codes, view live data, and reset service lights yourself.
View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with B0142
B0140: Seat Position Sensor Circuit Malfunction
B0141: Low Beam Headlight Relay Circuit Malfunction
B0143: Audio System Malfunction
B0144: Airbag System 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