P2A45
Alternative Fuel Tank B Pressure Sensor Circuit Intermittent/Erratic
P2A45 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank B Pressure Sensor Circuit Intermittent/Erratic. Common causes: pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine Light Illuminates
- Reduced engine power
- Problems starting the engine
Causes
- Pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Contact corrosion
- Wiring Harness Problems
How to Fix
- Check the integrity of the sensor circuit
- Inspect connectors and contacts for corrosion
- Test the pressure sensor
- Replace sensor if necessary
- Check wiring harness for damage
Related codes
Error P2A45 by Vehicle Brand
FAQ
What does the P2A45 code mean?
P2A45 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank B Pressure Sensor Circuit Intermittent/Erratic
What causes a P2A45 error code?
The most common causes of P2A45 include: Pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Contact corrosion.
How do I fix a P2A45 diagnostic trouble code?
To fix P2A45: Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion. Test the pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A45?
Yes, but get it checked soon
How much does it cost to fix P2A45?
The estimated repair cost for P2A45 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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