B1220
Fuel Tank Pressure Sensor Circuit Open
Description
Fuel Tank Pressure Sensor Circuit Open. This body diagnostic trouble code covers the comfort, convenience and restraint systems of the vehicle.
OBD Codes Details
Possible Causes
Blown fuse, faulty switch, damaged wiring harness, poor electrical connection
Solution
Check fuses and relays, inspect the wiring harness, test switches and sensors, repair damaged circuits
Symptoms
- Body system malfunction
- Electrical component issues
- Interior/exterior features not working
- Warning lights on dashboard
Diagnostic Recommendations
- Check body control module
- Inspect wiring and connections
- Test electrical components
- Verify proper voltage and ground
Repair Cost Estimate
- Diagnostic: $80-150
- Electrical repair: $100-400
- Module replacement: $200-800
- Wiring harness repair: $300-1200
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Fact-checking completed
Verified by:
Pavel Volkov
Created:
Information verified against official sources
Official Sources
Society of Automotive Engineers
Official OBD-II diagnostic trouble codes standard (SAE J2012)
Automotive engineering standards organization
International Organization for Standardization
International standard for vehicle diagnostic systems
International standards for automotive diagnostics
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