P01A2
Alternative Fuel Tank A Pressure Sensor Circuit Intermittent/Erratic
P01A2 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank A Pressure Sensor Circuit Intermittent/Erratic. Common causes: open or short circuit in wiring harness, poor contact in the sensor connector. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Pressure sensor malfunction
- Problems with the engine control unit
How to Fix
- Check wiring harness for damage
- Check the contacts in the sensor connector
- Check sensor resistance and voltage
- If necessary, replace the pressure sensor
Related codes
Error P01A2 by Vehicle Brand
FAQ
What does the P01A2 code mean?
P01A2 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank A Pressure Sensor Circuit Intermittent/Erratic
What causes a P01A2 error code?
The most common causes of P01A2 include: Open or short circuit in wiring harness; Poor contact in the sensor connector; Pressure sensor malfunction; Problems with the engine control unit.
How do I fix a P01A2 diagnostic trouble code?
To fix P01A2: Check wiring harness for damage. Check the contacts in the sensor connector. Check sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P01A2?
Limited driving only, diagnose soon
How much does it cost to fix P01A2?
The estimated repair cost for P01A2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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